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20 Jun 2024
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The Social Benefits of Getting Our Brains in Sync

 

The renowned Polish piano duo Marek and Wacek didn’t use sheet music when playing live concerts. And yet onstage the pair appeared perfectly in sync. On adjacent pianos, they playfully picked up various musical themes, blended classical music with jazz and improvised in real time.

“We went with the flow,” said Marek Tomaszewski, who performed with Wacek Kisielewski until Wacek’s death in 1986. “It was pure fun.”

The pianists seemed to read each other’s minds by exchanging looks. It was, Marek said, as if they were on the same wavelength. A growing body of research suggests that might have been literally true.

Dozens of recent experiments studying the brain activity of people performing and working together — duetting pianists, card players, teachers and students, jigsaw puzzlers and others — show that their brain waves can align in a phenomenon known as interpersonal neural synchronization, also known as interbrain synchrony.

“There’s now a lot of research that shows that people interacting together display coordinated neural activities,” said Giacomo Novembre, a cognitive neuroscientist at the Italian Institute of Technology in Rome, who published a key paper on interpersonal neural synchronization last summer. The studies have come out at an increasing clip over the past few years — one as recently as last week — as new tools and improved techniques have honed the science and theory.

They’re finding that synchrony between brains has benefits. It’s linked to better problem-solving, learning and cooperation, and even with behaviors that help others at a personal cost. What’s more, recent studies in which brains were stimulated with an electric current hint that synchrony itself might cause the improved performance observed by scientists.

“Cognition is something that happens not just in the skull but in connection with the environment and with other people,” said Guillaume Dumas, a professor of computational psychiatry at the University of Montreal. Understanding when and how our brains synchronize could help us communicate more efficiently, design better classrooms and help teams cooperate.

Getting in Sync

Humans, like other social animals, have a propensity to sync their behaviors. If you walk next to someone, you will likely begin walking in step. If two people sit alongside one another in rocking chairs, chances are they will start rocking at a similar pace.

Such behavioral synchrony, research shows, makes us more trusting, helps us bond and turns up our sociable instincts. In one study, dancing in sync made participants feel emotionally close to one another — much more so than groups that moved asynchronously. In another study, participants who chanted words rhythmically were more likely to cooperate in an investment game. Even a simple walk in unison with a person from an ethnic minority can reduce prejudice.

“Coordination is a hallmark of social interaction. It’s really crucial,” Novembre said. “When coordination is impaired, social interaction is deeply impaired.”

When our movements coordinate, myriad synchronizations invisible to the naked eye also arise inside our bodies. When people drum together, their hearts beat together. The heart rates of therapists and their patients can sync up during sessions (especially if the therapeutic relationship is working well), and those of married couples can too. Other physiological processes, such as our breathing rate and skin conductance levels, may also line up with those of other people.

Only in the past 20 years has technology emerged that lets neuroscientists study interbrain synchrony. Hyperscanning uses functional near-infrared spectroscopy, worn on a swim-cap-like device, to monitor the neural activity of multiple individuals engaging socially.

Can activity in our brains sync up? In 1965, the journal Science published the results of an experiment that suggested it can. Scientists from Thomas Jefferson University in Philadelphia tested pairs of identical twins by inserting electrodes under their scalps to measure their brain waves — a technique called electroencephalography. The researchers reported that when the twins stayed in separate rooms, if one of them closed their eyes, the brain waves of both would reflect the movement. The spikes on the electroencephalograph of one twin mirrored spikes on the other’s.

The study, however, was methodologically flawed. The researchers had tested several pairs of twins but published results only from the pair in which they observed synchrony. This didn’t help the burgeoning academic field. For decades, research on interbrain synchrony got shoved into the “weird paranormal quirk” category and was not taken seriously.

The field’s reputation began to change in the early 2000s with the popularization of hyperscanning, a technique that lets scientists simultaneously scan the brains of several interacting people. At first, this involved asking pairs of volunteers to lie in separate fMRI machines, which greatly restricted the kinds of studies that scientists could perform. Researchers were eventually able to use functional near-infrared spectroscopy (fNIRS), which measures the activity of neurons in the outer layers of the cortex. The great advantage of that technology is its ease of use: Volunteers can play drums or study in a classroom while wearing fNIRS caps, which resemble swimming caps with a multitude of cables sticking out.

 

Cognition is something that happens not just in the skull but in connection with the environment and with other people.”

 

When multiple people interacted while wearing fNIRS caps, scientists began finding synced interneural activity in regions throughout the brain, which varied by task and study setup. They also observed brain waves, which represent electrical patterns in neuronal firing, synchronizing at several frequencies. On an electroencephalograph reading of two synchronized brains, the lines representing each person’s neural activity fluctuate together: Whenever one spikes up or plunges down, so does the other, although sometimes with a time lag. Occasionally brain waves appear in mirrored images — when one person’s goes up, the other’s goes down at the same time and with a similar magnitude — which some researchers also consider a form of synchrony.

With new tools, it became increasingly clear that interbrain synchrony was neither metaphysical mumbo-jumbo nor the product of faulty research. “[The signal] is definitely there,” said Antonia Hamilton, a social neuroscientist at the University College London. What proved harder to understand was how two independent brains, in two separate bodies, could show similar activity across space. Now, Hamilton said, the big question is “What does that tell us?”

The Recipe for Synchrony

Novembre has long been fascinated by how humans coordinate to achieve common goals. How do musicians — duetting pianists, for example — collaborate so well? Yet it was thinking about animals, such as fireflies syncing their flashes, that set him on the path to study the ingredients needed for interbrain synchrony to arise.

Given that synchrony is “so widespread across so many different species,” he recalled, “I thought: ‘OK, then there might be some very simple way to explain it.’”

Novembre and his colleagues set up an experiment, published last summer, in which pairs of volunteers did nothing but sit facing each other while camera equipment tracked the movements of their eyes, face and body. Sometimes the volunteers could see one another; at other times they were separated by a partition. The researchers found that as soon as the volunteers looked each other in the eyes, their brain waves instantly synced up. Smiling proved even more powerful in aligning brain waves.

“There is something spontaneous about synchrony,” Novembre said.

Movement, too, is linked to synchronized brain wave activity. In Novembre’s study, when people moved their bodies in sync — if, say, one lifted their hand and the other did the same — their neural activity would match up, on a slight lag. However, interbrain synchrony goes beyond mirroring physical movements. In a study of pianists playing duets published last fall, a breakdown in behavioral synchrony did not cause the two brains to desynchronize.

Another important ingredient for face-to-face neural synchrony appears to be mutual prediction: anticipating another person’s responses and behaviors. Each person is “moving their hands or their face or their body, or they’re speaking,” Hamilton explained, “and also responding to the actions of the other person.” For example, when people played the Italian card game Tressette, the neural activity of partners synced together — but their opponents’ brains did not align with them.

 

When people played the Italian card game Tressette, the neural activity of partners synced together — but their opponents’ brains did not align with them.

 

Sharing goals and joint attention often appear crucial to interbrain synchronization. In an experiment conducted in China, three-person groups had to cooperate on solving a problem. There was a twist: One team member was a researcher who only pretended to engage in the task, nodding and commenting when appropriate but not really caring about the outcome. His brain didn’t synchronize with those of genuine team members.

However, some critics argue that the appearance of synced brain activity is not evidence of any kind of connection but rather can be explained by people responding to a shared environment. “Consider two people listening to the same radio station in two different rooms,” wrote Clay Holroyd, a cognitive neuroscientist at Ghent University in Belgium who does not study interbrain synchrony, in a 2022 paper. “[Interbrain synchrony] might increase during songs that they both enjoy compared to songs that they both find boring, but this would not be a consequence of direct brain-to-brain coupling.”

To test this criticism, scientists from the University of Pittsburgh and Temple University designed an experiment in which participants worked differently on a focused task: completing a puzzle. The volunteers either assembled a puzzle collaboratively or worked on identical puzzles separately, side by side. While there was some interneural synchrony between puzzlers working independently, it was much greater in those who collaborated.

To Novembre, these and similar findings suggest that interbrain synchrony is more than an environmental artifact. “As long as you measure brains during social interaction, you will always have to deal with this problem,” he said. “Brains in social interaction will be exposed to similar information.”

The Mutual Wave Machine, which toured cities around the world from 2013 to 2019, let passersby explore interbrain synchrony in pairs while generating data for neuroscience research. 

Unless they’re in different places, that is. During the pandemic, researchers grew interested in understanding how interbrain synchrony might change when people talk face-to-face over video. In one study, published in late 2022, Dumas and his colleagues measured the brain activity of mothers and their preteen children when they communicated through online video. The pairs’ brains barely synchronized, much less so than when they talked in person. Such poor interbrain synchrony online could help explain why Zoom meetings tend to be so tiring, according to the study’s authors.

“There’s a bunch of things in a Zoom call that are missing compared to a face-to-face interaction,” said Hamilton, who was not involved in the research. “Your eye contact is a bit different because the camera positioning is wrong. Even more importantly, your joint attention is different.”

Identifying the necessary ingredients for interbrain synchrony to arise — be it eye contact, smiling or sharing a goal — could help us better attain the benefits of syncing with others. When we are on the same wavelength, things simply get easier.

Emergent Advantages

The cognitive neuroscientist Suzanne Dikker likes to embrace her creative side by using art to study how human brains work. To capture the elusive notion of being on the same wavelength, she and her colleagues created the Mutual Wave Machine: half art installation, half neuroscience experiment. Between 2013 and 2019, passersby in a variety of cities around the world — Madrid, New York, Toronto, Athens, Moscow and others — could pair up with another person to explore interneural synchrony. They would sit in two shell-like structures facing each other while wearing an electroencephalograph headset to measure their brain activity. As they interacted for 10 minutes, the shells would light up with visual projections that served as neurofeedback: The brighter the projections, the more coupled their brain waves. However, some pairs were not told that the projections’ brightness reflected their synchrony level, while others were shown false projections.

When Dikker and her colleagues analyzed the results, published in 2021, they found that pairs who knew they were seeing neurofeedback grew more in sync over time — an effect driven by their motivation to stay focused on their partner, the researchers explained. More importantly, their heightened synchrony increased how socially connected the pair felt. Getting on the same brain wavelength, it appeared, could help build relationships.

Dikker also studied this idea in a less artsy setting: the classroom. In a makeshift classroom in a laboratory, a high school science teacher tutored groups of up to four students while Dikker and her colleagues recorded their brain activity. In a study posted to the preprint server biorxiv.org in 2019, the researchers reported that the more the students’ and teacher’s brains synced, the better the students retained the material when tested a week later. A 2022 analysis that looked at 16 studies confirmed that interbrain synchrony is indeed linked with better learning.

“The person who is paying most attention or best locking to the signal of the speaker is also going to be most synchronized with other people who are also paying best attention to what the speaker is saying,” Dikker said.

It’s not only learning that appears boosted when our brains are in sync but also team performance and cooperation. In another study by Dikker and her colleagues, groups of four people brainstormed creative uses for a brick or ranked items essential for surviving a plane crash. The results showed that the better their brain waves synchronized, the better they performed these tasks as a group. Other studies have found, meanwhile, that neurally synchronized teams not only communicate better but also outdo others on creative activities such as interpreting poetry.

While many studies have linked interbrain synchrony with better learning and performance, the question remains whether the synchrony actually causes such improvements. Could it instead be a measure of engagement? “The kids who are paying attention to the teacher are going to show more synchrony with that teacher because they’re more engaged,” Holroyd said. “But that doesn’t mean that synchronous processes are actually contributing somehow to the interaction and to the learning.”

Yet animal experiments suggest that neural synchrony can indeed lead to changes in behavior. When the neural activity of mice was measured by having them wear tiny top-hat-shaped sensors, for example, interbrain synchrony predicted whether and how the animals would interact in the future. “That’s pretty strong evidence that there is a causal relationship between the two,” Novembre said.

In humans, the strongest evidence comes from experiments that use electric brain stimulation to generate interneural synchrony. Once electrodes are placed on people’s scalps, electric currents can be passed between the electrodes to cause neuronal activity in people’s brains to synchronize. In 2017, Novembre and his team performed the first of such experiments. The results suggested that syncing brain waves in the beta band, which is linked with motor functions, enhanced the ability of participants to synchronize their body movements — in this case, drumming a rhythm with their fingers.

Several studies have recently replicated Novembre’s findings. In late 2023, researchers found that once people’s brain waves are synchronized by electrical stimulation, their ability to cooperate in a simple computer game improved significantly. And last summer, other scientists showed that once two brains become synchronized, people become better at transferring information and understanding each other.

The science is new, so the jury’s still out on whether there is true causation between synchrony and cooperative human behavior. Even so, the science of neural synchrony is already showing us how we benefit when we do things in sync with others. On a biological level, we are wired to connect.

 

 

Original article here


15 Jun 2024
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Doing Nothing Has Never Been More Important

 

We tend to position work against a series of opposites. Some of these are lauded, or at least tolerated: leisure, play, meditation, contemplation, rest. But one of the antonyms of work is, in most accounts, something of more dubious value: idleness. Apathy and a lack of care; laziness and slothfulness and inaction; indolence and shiftlessness; sluggishness. The synonyms are plentiful, and they take us from stasis and immobility to slow, languorous movement, and from a distracted kind of absent-mindedness to undirected activity with no set intentions. The expenditure of energy with no identifiable benefit, as in a car idling, or the dispersal of thought with no specific direction, as in idle daydreaming. In all these versions, idleness is something for upstanding citizens and responsible adults to studiously avoid.

Exhortations toward work as the path to truth, meaning, virtue, and salvation suggest the contemporary valuation of work is—although not universal—more than the legacy of a single cultural tradition. In the Greek poet Hesiod’s epic poem Works and Days, written in the eighth century BC, we learn, “When you work, you will be much better loved by the gods.” Even in the Garden of Eden, “where there was no neede of labour,” we are told by the English rector John Sakeld in the 1600s, “God would not have man idle.” It wasn’t a material imperative but a spiritual one, something existential. This was not just a Judeo-Christian tradition: work was also “the Way” for seekers of enlightenment in Japan in the 1300s. As explained by the monk and poet Kenko, “it is a wicked thing to allow the smallest parcel of land to lie idle.” He listed the things that should be planted—food and medicine—as he recounted the teachings of a lay priest who chastised him for his unkempt garden, urging more productive uses of the land.

Some thinkers and writers have interrogated the meaning of work over time: it may seem self-evident to many, as historian Andrea Komlosy writes in her genealogy of the term, something we all intuitively understand. But, “upon closer inspection,” she clarifies, “work proves to be quite the linguistic chameleon: everyone has their own, nuanced definitions, which themselves are in constant flux.” In her project, tracing a thousand years of changing understandings of work, she offers a sweeping definition that ranges from activities for survival to cultural expression to securing luxury and status, from subsistence to market exchange to the exertion of power. A wide-ranging term, then, that brings us beyond waged industrialized work. Komlosy’s project aligns with scholar Cara New Daggett’s extensive history of the changing meanings of energy, where she tracks how we arrive at contemporary perspectives that equate energy with fuel and both with work. The widespread uptake of the science of thermodynamics, with its history in the Scottish Presbyterian world of Glasgow in the 1700s, drove a particular understanding of energy that took on social as well as pragmatic industrial significance, Daggett explains. There is a clarity of sorts in a vision that equates fuel with energy and work—and work with productivity, employment, and morality. Work is understood as the central tool to survive, to prevail, and to succeed in a world that tends toward entropy and dissolution. With such a view, opting out of these equations is to reject progress itself, embracing a form of shiftlessness and even depravity.

But what to make, then, of this counsel from the writer Mark Slouka against filling our time with work: idleness is not just a psychological necessity, requisite for the construction of a complete human being; it constitutes, as well, a kind of political space, a space as necessary for the workings of an actual democracy as, say, a free press.

Slouka expands on this claim in a provocative essay, calling idleness “unconstrained” and “anarchic.” He suggests that idle time provides people with the chance to reflect on their values, beliefs, commitments to justice, and strategies for enacting change. Far from an embrace of sin or a dodge of responsibility, idleness is recast as a political project—and an unsettling one for those in power. “All manner of things can grow out of that fallow soil,” Slouka writes, with indeterminacy at the core of his point. That fallow soil of our imagination, that undirected energy of our independent minds. At rest yet restless, unoccupied yet invigorated. Citizenship, for Slouka, especially a democratic version, requires time and unclaimed intellectual space in which each person can consider what they see as necessary for a flourishing society. Being constantly occupied, whether in waged labour or in commercialized forms of leisure, leaves no space to form our own values and views and ethical judgments and so leaves us ill-equipped to contribute to a collective social and political life. Instead, we are too harried to mount any challenge to inequity, servility, creeping authoritarianism, or even its fully fledged version. Idleness, then, might be a crucial emancipatory project.

A friend from the southern United States, with the self-proclaimed “deep anti-tyranny roots” befitting someone raised in Virginia, once gifted me the anarchist Emma Goldman’s three-volume autobiography. Goldman was born in Lithuania in 1869, then part of the Russian Empire; she fled to the US to escape the pogroms against Jewish people of the 1880s that followed the assassination of the czar. She became a garment factory worker in New York and, soon after, a labour organizer and a staunch anarchist. Anarchy is an oft-maligned term, at least in its misinterpretations. It is regularly understood as chaos, as randomness, as carelessness or violence, as selfishness and self-interest and even nihilism. But these angles offer little insight into a political concept that, at its core, eschews hierarchy as its organizing principle. For Goldman, anarchism paired a fierce belief in the value of the individual with a hopeful account of collective harmony. There was no tension between these, in her account, “any more than there is between the heart and the lungs”—two essential elements of social life that allow for individuals to thrive. Although the language of purity she uses in her work may unsettle readers in the twenty-first century, given the legacy that such ideas carry, her writing was not in service of nationalism or a racial order. The path to harmony, she explained in her pamphlets, was doing away with religion, property, and government: a trio of problematic forces that dominates mind, body, and spirit.

What rules are meaningful and valuable; which ones perpetuate inequality? At what point do we substitute deference to authority with our own autonomous consideration—and what might emerge if we were to choose our own distinct path? To hone our capacity for independent judgment, political scientist James Scott urges a daily practice of “anarchist calisthenics,” a form of small-scale rebellious action that cuts against the grain of authority; he envisions minor acts of law-breaking, in cases where this would not endanger others or undermine social well-being. Hierarchies that bring with them pogroms and violence, oppression and exploitation, are not easily overturned: such recognition of the stability of unjust systems requires him to “confront the paradox of the contribution of law-breaking and disruption to democratic political change”; law-breaking is needed to break the stranglehold of unjust rule. In Scott’s assessment, “Most of the great political reforms of the nineteenth and twentieth centuries”—among which he describes those for racial equality and civil rights—“have been accompanied by massive episodes of civil disobedience, riot, law-breaking, the disruption of public order, and, at the limit, civil war.” But, in societies defined by hierarchy, how do we develop the skills for anything else? Scott advises carefully chosen confrontations with imposed laws to assert and practise independence and autonomy without inflicting harm upon others.

Anarchism—or what scholar Marina Sitrin calls the “anarchist spirit,” noting the ideological diversity of anarchic ideas—can involve a vibrant social life, with fundamental operations that rely on collective care emerging without force and coercion. Far from a rejection of society and relationships and care, this understanding of social life suggests that order can arise not from following mandates set by higher authorities—monarchs and dictators, militaries and rulers, or even elected officials vested with enforceable powers—but instead from voluntary, co-operative agreement, continually renewed and renegotiated. Individual judgment is needed to enable this consensual collective.

As socialist scholar and ever-hopeful activist David Graeber wrote, “One cannot know a radically better world is not possible,” and anarchism, at least in some forms, can offer a path to that reimagined world. Idleness as anarchic, then, suggests a kind of self-determination. Slouka proposes that undirected consciousness is crucial for being in community as a meaningful political citizen, an engaged social participant—and, perhaps, an engaged participant in the wider world.

In our definitions and debates, we tend to consider work and the absence of work, or idleness, in human terms. When Kenko, amid essays on aesthetics and commentary on the lives of his compatriots in the fourteenth century, extols the virtues of a garden of “useful crops,” he fails to reflect on what else is growing in those untended beds. His idle land, among the “spring weeds,” likely hosted a thriving neighbourhood of hardy wildflowers, mosses, shrubs, and lichens, visited by all manner of insects and songbirds. His distaste for caterpillars is palpable in his writing, as they infest the late-blooming cherry trees. But how does he know that none of this is useful to the golden kites and giant crows circling above or to the roots of the wisteria and irises and five-needled pines that he so admires? We know so little of the needs of others. Beyond the human, self-determination describes the riot of life that erupted in Virginia Woolf’s imagined English drawing room, empty of human industriousness. In abdicating the conventions of a society that valorizes work above all else, the anarchy of human idleness leaves space for other relations to unfold. If idle time is needed to awaken our political selves, as Slouka suggests, it must be crucial to considering what citizenship might mean in a broader sense, beyond just a human context. The undirected attention that idleness allows can leave space for other relations, for other politics, for other ways of being.

Idleness has long unsettled powerful political figures, not least because of its temptations and pleasures. Historian Thomas Biggs writes of the tensions, during the wars of the Roman Empire of the third century BC and in the subsequent texts of Roman historians, between pastoral regions as places of necessary rest—part of military strategy—and as places of problematic escapism. Campania, an agricultural area in southern Italy of what Pliny called “blissful and heavenly loveliness,” was not only a region of fertile production, with its pastures and fields, but, according to Cicero, one of “indolent and slothful otium.” The Latin otium, akin to the Greek skhole, translates loosely to idleness, but context adds subtext, with the term varyingly evoking contemplation, a release from political life, virtuous human pleasure, freedom from practical activity, or, less virtuously, “leisure and retreat from public duty.” What the statesman Cicero and his contemporaries worried about were later described by historian Titus Livius as the “excessive pleasures of the region”; abundance came too easily in Campania. The wine, the bathing springs, and the music of reed pipes might tempt Roman armies, and even their leaders, to abandon their military obligations. They undid discipline and moral character. Of course, in the accounts of these Roman writers, the labours of shepherds and musicians, wine makers and farmers, and especially the fertile fields themselves, go unnoticed or at least unmentioned.

Mostly, the work of non-human entities—animal, plant, fungus, mineral, element—remains illegible to us. This is not for lack of effort: ecologists and physiologists and statisticians map territories and count offspring and track mates, overlay mealtimes and prey densities, measure brain activity and body fat and stomach enzymes. The result is ordered groups and categories of activity, confidently enumerated and named and labelled in terms of productivity. Least flycatchers engaged in aerial acrobatics to snag insects on the wing is sustenance, from this perspective, not entertainment. Wilson’s warblers hopping in the shrub birch branches, munching on little green inchworms, are engaged in functional foraging and not gustatory pleasure. The spruce grouse my black lab flushes from the woods is fleeing for survival, not searching for solitude and hermetic peace. But are we really seeing these lives in their entirety? The porcupine trundling along the trail; the lynx with its unhurried paces along the road; the moose, when not browsing willow, not surveying for wolves, just standing in the brush looking out at the mountains?

When we think we understand the imperatives of the world, we constrain the possibilities for deeper understanding. Our interpretations of the actions of others reflect our own judgments; we observe what aligns with our expectations. When we hold this confidence, we act as though we can rule and organize the lives of those around us. What is lost in that certainty is both the autonomy of the lives of others and space for their self-determination—for their anarchy, in both idle and productive forms. Legibility, after all, is the condition for power. In his critique of state-based versions of these impulses, James Scott writes, “A legible society is one that can be controlled and manipulated.” This compulsion to gain control is not always destructive in intent. In a time of damage, it gives us a strategy for undoing the harm we’ve wrought: if we have more information about these ecological interactions and these multi-species systems, there is hope we can remake and repair them. Organizing our trade-offs accordingly, we fool ourselves that we can evade the costs of expansion, of growth, of the march, so to speak, toward progress, which is typically understood as technological complexity and the fulfillment of all imagined desires. And so we manipulate genes to bring back long-extinct species or to stave off invasive ones; we swap out one wetland for another, confident these exchanges preserve the ecosystem services we need; we offset one harmful activity through another positive one, planting some trees in atonement for cutting others, sure that we can sequester the same carbon, house the same species, maintain the same overarching balance.

We persist with this optimism about our own understanding even as we continually discover how little we know. For years, North American forest managers replanted trees on logged lands, clearing out underbrush to reduce competition with the new saplings. But these new plantations were fragile and stressed, exhibiting little of the resilience that characterized the forests they replaced; only later, and reluctantly, did mainstream Western forest scientists consider that underground fungal networks link trees across species and ages, redistributing nutrients and sharing resources through linked root systems. This hoped-for equivalence of ecosystems, places, and lives is the logic both of contemporary restoration efforts and of mobile capital, a world governed by the fungibility of everything. One place exchanged for another, one tree planted for another felled, one stock sold for another purchased—the specifics of the materials can be blurred when the prices alone signal their worth. But, as philosopher Jean-Luc Nancy asserts, we need to recognize “the inestimable singularity of living beings and things.” Complex systems, as Scott reminds us, so often remain inscrutable from the outside—and in this irreducibility and incommensurability, political autonomy is possible. The integrity and complexity of the other beings with whom we share this planet remain beyond our grasp, beyond our control.

Different from distraction and daydreaming, meditation is a concerted practice; yet, at the same time, its goal is a release from doing, striving, or reaching. It is an act of being, entirely and completely. In letting go of the self, we come to know it better; or perhaps the self is only illusory, and what we come to know is the world. In any case, on everything from speed and slowness and creation to restraint and abandon and grief, I have less to declare and more to consider, and little to impart but lots to question. Uncertainty abounds—as it should. The writer Stacey D’Erasmo observes, “Doubt is like a divining rod; it begins to tug when it nears something fertile and fluid and underground.” And perhaps that is the crux of the need for idleness: the chance to reflect, and wonder, and imagine—the space to relax our self-assurance and invite doubt.

Leaning out, leaning back—these are not appropriate or ethical strategies in all cases. Reducing one’s individual work can be an excuse to offload responsibilities onto others, at least for those wealthy enough to do so. This displacement of labour creates layers of planetary injustice as we substitute various fuels and bodies for our own efforts, upholding energy- and materials-intensive ways of life through extraction from and of the lives and lands of others. This is not a call for self-care, or a simple admonition against (or urge for more!) technology, or a vehement manifesto against work.

Labour can give us meaning, dignity, independence, connection. We can take care of others through our work; we can find our place in the world. But don’t mistake this for a clear defence of work either—an instruction to find a mission, a purpose, a true calling through labour. The claim that you’ll never work a day in your life if your occupation is your vocation, as it is sometimes said, is in my view dangerous: a siren song of how to turn passion into profit. This can become a political strategy, as Graeber suggests, of underpaying workers by fostering resentment against those whose work is meaningful, whether care workers and custodial staff or teachers and artists. It becomes justification for the poor compensation and precarious employment conditions for those in fields that might bring non-monetary rewards. Work, that slippery term, is absolutely necessary—for us and by us—and we must reckon with what this means.

Work and idleness are neither as antonymous nor as dichotomous as they might at first glance seem. We are quite comfortable acknowledging the politics of work, even if debates rage about productive and reproductive work, forms of labour relations, supply chains and financial models and economic transitions. The interrogation of idleness must likewise be seen as a serious political undertaking, embedded in the study of work. We need to think about both what kinds of work and what kinds of suspensions of work are needed moving forward. More boldly, we must search for a more creative and expansive vocabulary that lets us imagine and articulate a radically different world. A less restrictive understanding of how we might spend our time. A more sweeping account of not only the activities of humans, our labour and our rest, but also of those around us, whose lives on this planet are so often shaped by our own.

For animals, as Henry Beston writes—and plants too, I would add—“are not brethren, they are not underlings; they are other nations, caught with ourselves in the net of life and time, fellow prisoners of the splendour and travail of the earth.” The travail of the earth. The French travail means work, although the English etymology is darker, the Latin translating to something like instrument of torture. Whether torturous or not, the earth’s own work needs attention and is often inhibited by our own. When human productivity is the cause of so much damage, why is it so often presented as a solution for salvaging the planet? What is sustainable work in and for a shared future? These questions have no straightforward answers. And so my attempt is to practise anarchist calisthenics—my effort at going to seed: a wandering, rambling, meandering look at the role—no, the vital urgency—for the idleness of some to enable the lives of others.

 

 

Original article here

 

 

 


12 Jun 2024
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Basking in the Colors of Noise

 

 

Many of us watch the swirling colors of rustling autumn leaves without thinking much about listening to its pink noise; gaze at the majestic roll of ocean waves or the cascading beauty of a waterfall without considering a spectrum of sonic hues that add to the pleasure and comfort of the experience.

But by paying closer attention to the colors of sound, we open ourselves to richer, calmer, more mindful moves through our daily lives which can also aid in everything from a better night’s sleep and alleviating stress to easing chronic physical ailments.

Hear the rainbow

It’s easy to understand the colors of sound as they are comparable to the colors of light. For example, just as white light contains all the colors of the light visible to the human eye, white noise also emits all audible frequencies to the human ear.

In musical terms, frequencies are spaced out in intervals that our ears find pleasing, and gives a sound to its unique tone or timbre. Everyday noise — such as the sounds of rustling leaves or a truck driving up a street — are sporadic waveforms, which have a random distribution of frequency and amplitude.

Then there are the sonic hues: a mix of varied frequencies, which we as humans can hear, blended with other tonal layers and all playing at the same time in a random, unpredictable chorus that can be heard almost simultaneously, unless the sound is traveling from a distance, as with the far away sound of thunder.

I’ve come to discover that it’s also a wonderful soundtrack for my long days of writing, and is also helpful in calming my mind to get a better night’s sleep.

In recent years, pink noise — which encompasses nature sounds like ocean waves, falling rain, or rustling leaves — has become “the darling of the noise spectrum,” writes Meghan Neal in The Atlantic, upstaging white noise — more akin to a whirring fan, a humming air conditioner or the sound of static — as the preferred sound option for sleep or concentration.

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According to WebMD, pink noise reduces the difference between the background hum and jarring noises like a door slamming or car honking that can jolt you out of your sleep. It may also “help you fall asleep faster and keep you in a deep sleep longer.” So you’ll feel more rested in the morning when you wake up.

Because pink noise has the ability to mask a variety of sounds, it’s great for alert yet relaxed concentration and has been proven useful for those who suffer from tinnitus (ringing in the ears) — myself included.

Brown noise is a deeper version of pink noise, consisting of more bass tones and low-frequency. Think of a low roaring, strong waterfalls, or thunder. It draws its name not from the color but from the fact that the signal is akin to the “random walk” pattern produced by the Brownian motion: the movement of particles in liquid. It was named for the Scottish botanist Robert Brown, the first to study such fluctuations in 1827.

Blue noise, also known as azure noise, is more difficult to discern because of its high frequencies and very few bass tones — like the hiss of a kinked water hose. (And since this sound can be pretty harsh at high volumes, it’s not the go-to color option for most sound therapy machines.)

Audio engineers use blue noise for dithering, a process where noise is added to a track to smooth out the sound and lessen the audibility of distortions.

And then there’s black noise: the sound of silence (or near silence).

Healing with sound

In an article for CNET, writer Amanda Capritto explains that all the different “colors” of noise resonate with different amplitudes at different frequencies — basically the way our ears process sound and drown out unwanted noises. Which is why there are many, with sound bath facilitators to deejays finding ways to use different sounds to aid with sleep and other maladies.

As a certified sound and yoga therapist, Fawntice Finesse works in mental health and recovery and has become among the most sought-after sound bath healers in Southern California. In 2019, I hired Finesse to lead sound bath experiences for a series of women’s wellness and health fairs for APLA Health.

 

 

She has one of the most elaborate sound setups I’ve seen. In her work, Finesse, a flutist, uses a gong and 17 Tibetan singing bowls, among other instruments to create “as many paths of sound frequencies as possible,” a continuous flow of sound which affects the brain and the nervous system.

”That’s what the gong does; that’s what the singing bowls do,” she says, “it all encompasses an infinite amount of frequencies — which is the similarity between white noise and the specific instruments that I use.

“It’s all about the flow of the bodily system,” she continues, “and also waking up what it is in our bodies that has gone to sleep. A lot of times the sleepy part of us is connected to disease, or dis-ease or discomfort.”

She can attest to this first hand. In 2012, while getting her certification in sound, Finesse was in a car accident. She suffered from aphasia — a condition that robs you of the ability to speak, write and understand language, both verbal and written — resulting from a brain injury. Utilizing her training, Finesse turned to sound healing. She mixed a layer of frequencies with singing bowls, rain sounds, wind chimes, and other restorative sounds to treat her brain injuries. She eventually completed her sound healing certification in 2014.

“My car accident really showed me that when you calm the nervous system all other healing can happen,” she says. “So when someone comes to me and says they have tinnitus I’m coming at them with a lot of frequencies that may or may not be able to help them hear clearly again.”

“Or,” she continues, “it may engage another cell or another organ that’s actually causing the symptoms of another physical ailment or touch them emotionally, like Mahalia Jackson does with her voice, where there’s a release, and sometimes it’s tears. That’s the clearing and the flow of the bodily system – the opening of it. A great sound, like hers, a really good gospel voice, there’s so many layers, and that’s what the gong and cymbals are to me.”

The way sound works in the body is all about nerve connection: Sound goes into the eardrum and — even if we can’t hear a particular note or frequency — the sound vibrates in our ear canal which is connected to the vagus nerve, which connects to every major organ and cranial nerve, including the parasympathetic nervous system that controls our relaxation response.

The late actor Chadwick Boseman found calm in the sound of a djembe drum, said Viola Davis in an interview with USA Today. “One of the things that he carried everywhere was his djembe drum, which is called a talking drum in Africa. And he carried it himself,” Davis remembered about her Ma Rainey’s Black Bottom co-star: “He said ‘Viola, wherever I go, I carry my djembe drum. I do it for me. I play this drum for me, for my healing.’ It felt like he was playing that for God, for himself. There are no words to describe the playing because I love the djembe drum, but listening to him play when he had breaks in that trailer was just phenomenal.”

Supersonic

Pink noise videos on YouTube at bedtime have helped ease my ear ringing over the recent months — and I’ve incorporated other auditory hues during the day. Using colors to think about sound “in a way, these are subjective things,” says sonic explorer Mark “Frosty” McNeill whose online library of nature sounds are among my favorites, “but I think it’s a fun way to start thinking of sound in a way that can start engaging the other senses; how can those things have relationships that aren’t on a surface level.”

As the founder of Dublab, a Los Angeles-based online radio station that has been exploring wide-spectrum music since 1999, McNeill has focused on sharing transcendent sonic experiences. His latest project, Nose Music, “is meant to get people thinking about the relationship to their senses and an exchange between senses,” he says.

Nose Music is an album of scents corresponding to 10 classic albums including Another Green World by Brian Eno, Nina Simone’s Wild Is the Wind, King Tubby Meets Rockers Uptown by Augustus Pablo, and Alice Coltrane’s World Galaxy.

“So, people can get a box set with 10 fragrances and in your own environment, you can listen to the music and smell the fragrance. Or you might choose to go out on the town smelling like The Velvet Underground & Nico and embody this album’s spirit.”

McNeill says the whole point is to get people to recognize sound not as an invisible entity, but as an ever-present relationship in their lives that connects them to the world.

“A lot of people think about these more static ways of sound existing, like sounds on my radio sitting on the table, sounds on my car stereo or sounds in my living room, but it’s also as you move around a space or the sonic architecture of a space, I like to think about how we as humans can change sound through our movements but also how, in the past year I’ve been thinking about recorded music. In one way you record a song and it’s frozen.

“But,” he adds, “recorded music is not as static as we think because all of us every day, every moment of every day, we’re shifting emotionally, we’re shifting physically — like if you’re cold and your bones are aching or if you’re hungry or totally satiated — as we’re moving through the world it actually changes the sounds. So, a recorded song changes infinitely as the people around time, space and place, interact with it.”

Because, as he suggests, being aware of what you’re putting into your system sound-wise is as important as what you’re putting into your body food-wise. “The more you begin to do this kind of deep listening helps you have a greater awareness of the world around you, and your impact on it.”

 

 

 

Original article here


09 Jun 2024
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The Story Of Parasitic Worms In The Web Of Life

 

I remember the German toilets. For the longest time, I couldn’t figure out why they manufactured them the way they did. From the toilets in the trains to the toilets in the older houses to the toilets in many of the older/cheaper hotels I stayed in in the 1970s and 1980s, the toilets were absolutely weird.

Instead of sitting over a bowl filled with water, into which one would poop, thus instantly dropping the stuff into water where it couldn’t again be smelled, when you sat on a German toilet you sat about 8 to 10 inches above a porcelain platform that was totally dry. At the very rear of the toilet was about a three-inch-diameter water drain.

When you pooped, your excrement would lay flat on the platform. You could smell it throughout the room. You could poke it with a stick or carefully examine it, if you were so inclined, or even scoop it out of the toilet if, for example, your doctor needed to examine it. Or heavens knows what else.

When you pulled the flush lever (or chain attached to the tank high up on the wall), the water would flush in from the front and wash the stuff off the platform, into the little water hole in the back, and down the drain. But until you pulled that lever or chain, there it was for the world to see.

And, over time, I noticed all those toilets vanishing. I lived in Germany for a year in the late 80s, and by then they were mostly gone; now you only find them in the oldest of buildings, and even there usually they’ve been replaced with systems that we’d recognize here.

That was when I learned why the Germans (and many other European countries) had these platform style toilets dating all the way back to Thomas Crapper’s popularization of the flush toilet in the late 1800s.

We All Have Intestinal Worms

It turns out that most mammals — including humans — typically have all sorts of intestinal parasites. The smallest and most helpful are the famous Acidophilus bacteria that help our gut digest food and absorb nutrients, but they’re invisible. The largest and most obnoxious are the various worms, the larger and more obvious ones being the hookworm and the tapeworm.

Up until the mid-20th century, there weren’t many drugs that would kill intestinal parasites in people without pretty severe (and sometimes even fatal) side effects, and food sanitation was such that even if a person did kill off all their intestinal parasites, they’d just get re-infected.

On the other hand, there were a number of well-known ways to hold down the number of parasites, to reduce the intensity and effect of their residence in one’s gut. Mainly these were referred to as purges, mostly harsh laxatives like the herb senna, combined with a sharp bitter (black walnut hull and wormwood were most common) that would cause the worms to let-go from the intestinal wall, and thus be flushed out with everything else as the laxative did its job.

So, the “lay and display” or “continental shelf” toilets actually had a purpose. People would take a look at their poop, and if they saw a visible mass of hookworms, roundworms, etc., or a lot of the rice-like segments indicating a tapeworm infection, they’d do a purge that week, which would hold down the worm population for a few months.

Now that our food supply is clean of these parasites, and we have a pretty good number of antibiotic-class drugs that are also anti-parasitic, worms in the gut are rare, and the need to examine one’s stool has vanished.

But, We May Have Traded One Problem For Another 

The main story of modern, literate, technological culture, regardless of where it is in the world, the color of the people, or the language spoken, is that humans are a species apart.

Every culture has a story about it. We were uniquely created separate from all other animals, as in the Jewish and Christian stories of a creator who made us from the soil. We were brought here from Sirius, the Dog Star, according to the Dogon tribe in Africa. We descended from the sun, we are fallen gods, we sprung full-formed from the bud of a sacred lotus.

In virtually every creation story, humans are not part of nature. We’re separate, apart, unique, different, and not bound by the rules of nature. We wear clean clothes, pride ourselves on clean homes and offices, keep dirt (nature) away from our bodies, out of our food, and away from our homes. Because, of course, we are not part of nature — we’re separate from it.

This mentality is killing us off at levels from the most macro — global climate change that may render our planet uninhabitable — to the micro — our individual bodies. The best estimates from a variety of scientists and scientific bodies is that for somewhere between 20 and 100 years our population load on the planet has been so great that it’s unsustainable, and destroying the biosphere that supports us. But during that same time, odd things have been happening with our individual bodies.

Three generations ago, only one in 10,000 people had inflammatory bowel disease (IBD), Crohn’s disease was rare, and multiple sclerosis was virtually unknown to most people. Today 1 in 250 people has IBS, Chron’s Disease is widespread, and most people know somebody who has or is related to somebody who has MS. Ditto for psoriasis. Why? We see similar numbers with asthma, lupus, and a whole host of other autoimmune disorders.

Turns out it may all have to do with parasites: bugs, dirt, and — most amazing — worms.

Could Worms Be The Cure For our IBS, Crohn’s and MS Epidemics? 

Back in the 1990s, gastroenterologist Dr. Joel Weinstock was editing a book on parasitic worms, also known as helminths. As Moises Valasquez-Mahoff documented in The New York Times Magazine in the June 29, 2008 issue, Dr. Weinstock noticed that as humans have become more and more successful at ridding themselves of parasites — particularly intestinal worms — we developed a whole host of conditions that seemed to be associated with inflammation (particularly of the bowel).

Noting, “We’re part of our environment; we’re not separate from it,” he wondered if reintroducing some of the less pathogenic parasites humans evolved coexisting with into people’s guts could resolve some of these conditions.

Using Trichuris suis, a worm endemic to pigs — and commonly infecting, without complications, pig farmers — Dr. Weinstock and others conducted a number of studies over several years, infecting people experiencing a wide variety of diseases with Tricuris.

The results were nothing short of startling. As Velasquez-Manoff reported in the Times Magazine:

 

After ingesting 2500 microscopic T. suis eggs at 3-week intervals for 24 weeks, 23 of 29 Crohn’s patients responded positively. Twenty-one went into complete remission. In the second study, 13 of 30 ulcerative colitis patients improved compared with 4 in a 24- person placebo group. … Trials using T. suis eggs on patients with multiple sclerosis, Crohn’s and hay fever are beginning in the United States, Australia, and Denmark, respectively. In Germany, scientists are planning studies on asthma and food allergies. Other European scientists, meanwhile, plan to replicate many of these experiments with Necator americanus, a human hookworm.”

 

Meanwhile, a British scientist — Dr. David Pritchard of the University of Nottingham — working in Papuea New Guinea in the 1980s, noticed that people there were commonly infected with a bit larger and more commonly considered a gross parasite, the Necator americanus, or common hookworm.

This is a worm that can enter the body through food, but more commonly does through the skin — people often get it from bathing in infected water or walking barefoot on dirt infected with the worm’s larvae. The larvae burrow through the skin, get into the bloodstream, migrate to the lungs where they get coughed up and swallowed. When they hit the small intestine, they turn into full-blown worms that attach themselves to the wall of the small intestine.

It was one of the more common parasites that people had up until the past few generations, with a severe hookworm infection causing anemia and even death.

Hookworms’ Unique Ability To Modulate The Human Immune System

But, Dr. Pritchard noticed, the people infected with it had virtually none of the autoimmune diseases like asthma and hay fever that had come to plague England since that nation went on a sanitation binge after World War II. Apparently, the worms produced a substance that modulated the human immune system, toning it down enough to keep our bodies from attacking the worms, but in the process also keeping our bodies from attacking our own cells and organs (the definition of an auto-immune disease).

So, as Elizabeth Svoboda documented in the July 1, 2008, New York Times:

 

In 2004, David Pritchard applied a dressing to his arm that was crawling with pin-size hookworm larvae, like maggots on the surface of meat. He left the wrap on for several days to make sure that the squirming freeloaders would infiltrate his system.

The itch when they cross through your skin is indescribable,’ he said. ‘My wife was a bit nervous about the whole thing.’”

 

After infecting himself to demonstrate the relative safety of the parasites, he got a grant from the British health service to do a double-blind placebo-controlled trial on allergy-suffering volunteers who were either given capsules containing worms or containing sugar. The results were startling. As Svoboda wrote in the Times:

 

Trial participants raved about their allergy symptoms disappearing. Word about the study soon appeared online among chronic allergy sufferers, and a Yahoo group on ‘helminthic therapy’ sprung up.

‘Many of the people who were given a placebo have requested worms, and many of the people with worms have elected to keep them,’ Dr. Pritchard said.”

 

Svoboda notes that, as the result of the publicity surrounding Pritchard’s successful 2006 clinical trials, there are even clinics springing up in third-world countries to cater to Americans and Europeans who want to get cured of their asthma, hay fever, psoriasis, or other autoimmune diseases by being infected with hookworms.

The fact is that we are not a species apart from all others on planet Earth. There’s ten times as much bacterial, viral, fungal, and parasitic DNA in your body as there is DNA from your own cells. We evolved on this planet along with every other form of life, and are designed to be a seamless part of the whole, a thread in the delicate web of life.

When we remove ourselves from that web of life, we do so at our own peril.

 

 

Original article here


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