Brain Pickings

Consciousness and the Nature of the Universe: How Panpsychism and Its Fault Lines Shade in the Ongoing Mystery of What We Are

“We’ve barely begun to understand our place in the cosmos. As we continue to look out from our planet and contemplate the nature of reality, we should remember that there is a mystery right here where we stand.”

Consciousness and the Nature of the Universe: How Panpsychism and Its Fault Lines Shade in the Ongoing Mystery of What We Are

“Meditate often on the interconnectedness and mutual interdependence of all things in the universe,” the aging Marcus Aurelius instructed.

“Any live mind today is of the very same stuff as Plato’s & Euripides,” the young Virginia Woolf meditated in her diary two millennia later. “It is this common mind that binds the whole world together; & all the world is mind.”

Two years earlier, in the first year of the twentieth century and the final year of his life, the uncommonly minded Canadian psychiatrist Maurice Bucke had formalized this notion in his visionary, controversial book Cosmic Consciousness: A Study in the Evolution of the Human Mind, which influenced generations of thinkers ranging from Albert Einstein to Abraham Maslow to Steve Jobs.

Bucke himself had been greatly influenced by, then befriended and in turn influenced, Walt Whitman — a poet enraptured by how science illuminates the interconnectedness of life, who contemplated the strangest and most paradoxical byproduct of consciousness “lifted out from all else, calm, like the stars, shining eternal”: our sense of self.

Science was young then — it still is — and the world was old, and the mind was old, its dwelling-place practically unchanged since the cranium of early Homo sapiens began accommodating a brain comparable to our own some three hundred thousand years ago. With neuroscience yet to be born, it fell on the poets and the philosophers to meditate on the complexities of consciousness — the sole valve between reality and our experience, made of the same matter as the stars. Today, neuroscience remains a young and insecure science, as crude as Galilean astronomy — and as revolutionary in the revelations it has already contoured, yet to be shaded in with the nuances of understanding that might, just might, one day illuminate the fundaments of consciousness.

Plate from The Principles of Light and Color: Including Among Other Things the Harmonic Laws of the Universe, the Etherio-atomic Philosophy of Force, Chromo Chemistry, Chromo Therapeutics, and the General Philosophy of the Fine Forces, Together with Numerous Discoveries and Practical Applications by Edwin D. Babbitt, 1878. (Available as a print and as stationery cards.)

Until that day comes, we have a panoply of theories about what it is that flickers on the cave walls of the cranium to irradiate our entire experience of life and reality. The most compelling — and the most controversial — of them are what Annaka Harris examines with equal parts openhearted curiosity and intelligent consideration in Conscious: A Brief Guide to the Fundamental Mystery of the Mind (public library).

At the center of her inquiry is an idea ancient Eastern spiritual traditions, a century of Western neurocognitive science, and epochs of philosophy share: the illusory nature of the self — the self that is always in flux yet rooted in our experience of time, the self we build and rebuild upon a narrative foundation, the self separated from the other by a marvelously permeable boundary, the self of which nature can so easily and profoundly strip us during a solar eclipse, the self into which we fortress our whole sense of identity and from which we peer out to receive our whole view of the world, only to discover again and again that the fortress is an appearance in consciousness filled with what Borges called “the nothingness of personality.”

One of neuroscience founding father Santiago Ramón y Cajal’s little-known drawings of the brain.

Drawing on the intricate neurological processes and disorders that shape and misshape our conscious experience, on the behavior-altering effects various parasites have on their hosts, and on her own experience of staggering changes in preference, habit, and temperament on the hormonal cocktail of pregnancy, Harris writes:

The idea that “I” am the ultimate source of my desires and actions begins to crumble [and] it’s hard to see how our behavior, preferences, and even choices could be under the control of our conscious will in any real sense. It seems much more accurate to say that consciousness is along for the ride — watching the show, rather than creating or controlling it. In theory, we can go as far as to say that few (if any) of our behaviors need consciousness in order to be carried out. But at an intuitive level, we assume that because human beings act in certain ways and are conscious — and because experiences such as fear, love, and pain feel like such powerful motivators within consciousness — our behaviors are driven by our awareness of them and otherwise would not occur.

And yet, she observes, many of the actions we attribute to consciousness and hold up as proof of it could, in theory, take place without consciousness, in a machine programmed to operate by logical sequences resulting in those selfsame actions. (That, after all, is the most thrilling and terrifying question of artificial intelligence.) She posits a curious meta-exception:

Consciousness seems to play a role in behavior when we think and talk about the mystery of consciousness. When I contemplate “what it’s like” to be something, that experience of consciousness presumably affects the subsequent processing taking place in my brain. And almost nothing I think or say when contemplating consciousness would make any sense coming from a system without it.

[…]

When I talk about the mystery of consciousness — referring to something I can distinguish and wonder about and attribute (or not) to other entities — it seems highly unlikely that I would ever do this, let alone devote so much time to it, without feeling the experience I am referring to (for the qualitative experience is the entire subject, and without it, I can have no knowledge of it whatsoever). And when I turn these ideas over in my mind, the fact that my thoughts are about the experience of consciousness suggests that there is a feedback loop of sorts and that consciousness is affecting my brain processing.

What emerges is the intimation that we are not merely machines that think — after all, many of our machines now “think” in the sense of processing information and adapting it to govern behavior — but machines that think about thinking, lending our biochemical machinery an edge of the miraculous not (yet) explicable by our science, which remains our mightiest technology of thought. She observes:

Most of our intuitions about what qualifies as evidence of consciousness affecting a system don’t survive scrutiny. Therefore, we must reevaluate the assumptions we tend to make about the role consciousness plays in driving behavior, as these assumptions naturally lead to the conclusions we draw about what consciousness is and what causes it to arise in nature. Everything we hope to uncover through consciousness studies — from determining whether or not a given person is in a conscious state, to pinpointing where in the evolution of life consciousness first emerged, to understanding the exact physical process that gives birth to conscious experience — is informed by our intuitions about the function of consciousness.

Where our intuitions break down most dramatically and where the breakdown most disorients us is in what may be the most poorly branded and therefore poorly understood theory of consciousness: panpsychism.

Art by Arthur Rackham for a rare 1917 edition of the Brothers Grimm fairy tales. (Available as a print.)

Coined in the sixteenth century by the Italian philosopher and proto-scientist Francesco Patrizi, whose work inspired Galileo, from the Greek pan (“all”) and psyche (“mind” or “spirit”), panpsychism is the idea that all matter is endowed with the capacity for subjective experience of immaterial quality — the sort of experience we call, in its expression familiar to us, consciousness.

In the epochs since, as the world slowly began shedding the cloth of the supernatural and began seeking in mystical notions a kernel of secular and scientifically verifiable truth, panpsychism came closer and closer to information theory and the modern scientific understanding of the physicality of the universe. (There are echoes of panpsychism in the great theoretical physicist John Archibald Wheeler’s famous “It-for-Bit” theory, asserting that “observer-participancy gives rise to information” because “all things physical are information-theoretic in origin and this is a participatory universe.”)

Plate from Le monde physique by Amédée Guillemin, 1882. (Available as a print, as a face mask, and as stationery cards.)

With an eye to the muddling, misconstrual, and ample misapplications of panpsychism as a framework that could broaden the conversation on consciousness but instead often shuts it down, Harris does the essential and courageous public service of lens-clearing:

Those of us who want to push this conversation forward have an important obligation to clearly distinguish panpsychic views from the false conclusions people tend to draw from them — namely, that panpsychism somehow justifies or explains a variety of psychic phenomena — following from the incorrect assumption that consciousness must entail a mind with a single point of view and complex thoughts. Ascribing some level of consciousness to plants or inanimate matter is not the same as ascribing to them human minds with wishes and intentions like our own. Anyone who believes the universe has a plan for us or that he can consult with his “higher self” for medical advice should not feel propped up by the modern view of panpsychism.

[…]

Unfortunately, it seems quite hard for us to drop the intuition that consciousness equals complex thought. But if consciousness is in fact a more basic aspect of the universe than previously believed, that doesn’t suddenly give credence to your neighbor’s belief that she can communicate telepathically with her ficus tree. In actuality, if a version of panpsychism is correct, everything will still appear to us and behave exactly as it already does.

Plate from The Principles of Light and Color by Edwin D. Babbitt, 1878. (Available as a print and as stationery cards.)

Such appropriations of panpsychism are to the study of consciousness what the pseudoscience of phrenology is to neuroscience — contours of promising regions of exploration on our ever-evolving map of reality, shaded in with human bias. Rather than having the egalitarian view of consciousness-across-matter they seek to espouse, these misinterpretations impose on the concept of consciousness self-referential standards rife with human exceptionalism, making of nature an uncanny valley that betrays both nature and our humanity.

Paradoxically, this misunderstanding of panpsychism is often used as an argument against panpsychism itself, not against its misunderstanding. But to actually consider a lichen or a quark endowed with a measure of consciousness is to recognize that its experience cannot, by structural definition, be anything close to our subjective human experience of consciousness — our qualia and their byproduct: the sense of self.

Considering what might be the greatest intuitive challenge to psychism, known as the “combination problem” — how the small constituents of matter, each the carrier of primitive consciousness, can combine into larger entities that have new and different consciousnesses, including ours — Harris observes that much of the challenge stems from a reflexive confusion:

For many scientists and philosophers, the combination problem presents the biggest obstacle to accepting any description of reality that includes consciousness as a widespread feature. However, the obstacle we face here once again seems to be a case of confusing consciousness with the concept of a self, as philosophers and scientists tend to speak in terms of a “subject” of consciousness. The term “self” is usually used to describe a more complex set of psychological characteristics — including qualities such as self-confidence or a capacity for empathy — but a “subject” still describes an experience of self in its most basic form… Perhaps it’s wrong to talk about a subject of consciousness, and it’s more accurate to instead talk about the content available to conscious experience at any given location in space-time, determined by the matter present there — umwelts applied not just to organisms, but to all matter, in every configuration and at every point in space-time.

Iris Murdoch — one of the most brilliant and underappreciated philosophical minds our species has produced — provided a potent antidote to the combination problem in her lovely notion of unselfing, rooted in the recognition that “the self, the place where we live, is a place of illusion.” In this light, the combination problem becomes decidedly less problematic — without the notion of a subject, a concrete entity to be combined with another concrete entity, there is no combining to be done. Consciousness becomes both the vessel of experience and the content of experience, and transcends both — more field than form.

Plate from An Original Theory or New Hypothesis of the Universe by Thomas Wright, 1750. (Available as a print, as a face mask, and as stationery cards.)

After citing research on split-brain patients, in whom mental function and the contents of consciousness can be divided in astonishing ways, Harris writes:

[Without a self], consciousness could persist as is, while the character and content change, depending on the arrangement of the specific matter in question. Maybe content is sometimes shared across large, intricately connected regions and sometimes confined to very small ones, perhaps even overlapping. If two human brains were connected, both people might feel as if the content of their consciousness had simply expanded, with each person feeling a continuous transformation from the content of one person to the whole of the two, until the connection was more or less complete. It’s only when you insert the concepts of “him,” “her,” “you,” and “me” as discrete entities that the expanding of content for any area of consciousness (or even multiple areas merging) becomes a combination problem.

Harris ends her rigorous reconnaissance mission of the terra semicognita of consciousness studies with the telescopic perspective that is the poetry of possibility:

Humanity is young, and we’ve barely begun to understand our place in the cosmos. As we continue to look out from our planet and contemplate the nature of reality, we should remember that there is a mystery right here where we stand.

A century ago — a century during which humanity split the atom, unraveled the mysteries of our genetic code, and heard the sound of spacetime for the first time — quantum theory originator Max Planck insisted that “science cannot solve the ultimate mystery of nature… because… we ourselves are part of nature and therefore part of the mystery that we are trying to solve.” In the first year of that century, Lord Kelvin took the podium at the British Association of Science to declare that “there is nothing new to be discovered in physics,” while at the same moment, a young patent clerk in Zurich was incubating the ideas that would converge into his theory of relativity, forever transfiguring our elemental understanding of reality. It is our human nature to consider the inconceivable impossible, again and again mistaking the parameters of the conceivable for the perimeter of the possible. But it is also the nature of the human mind — that material miracle of electrical and poetic impulses — to transcend its own limits of imagination again and again, inventing new parameters of thought that broaden the perimeter of the possible until it becomes real.

Complement Conscious with Probable Impossibilities — physicist Alan Lightman’s poetic meditation on what makes life worth living — then revisit William James’s foundational work on consciousness and the four features of transcendent experiences.


Published August 17, 2021

https://www.brainpickings.org/2021/08/17/annaka-harris-conscious/

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