The Study of Fundamental Consciousness Entering the Mainstream
by Adrian D. Nelson
by Adrian D. Nelson
The
world-renowned neuroscientist Christof Koch, spent decades working
alongside the co-discoverer of the DNA molecule, Francis Crick. For
decades these two men searched for the neurobiological basis of
consciousness. They discovered many insights into cognition and the
functioning of perception, yet the central enigma, the nature of
consciousness itself, remained mysteriously elusive.
In 2009, Koch shocked the scientific
community by publishing his conviction that consciousness probably isn’t
just in brains, but is a fundamental feature of reality. This is a view
known to philosophers as ‘panpsychism.’ The theory that Koch is now
dedicating his research to is called ‘Integrated Information Theory’ or
‘IIT.’ It is the brainchild of neuroscientist Giulio Tononi of the
University of Wisconsin-Madison.
In explaining his theory, Tononi asks us
to consider a simple light sensitive photo diode like those found in a
digital camera. A simple diode might respond to just two states: light
or dark. We could present our diode with any number of images, yet
regardless of the picture, the diode conforms to one of only two
possible states. Is it light, or is it dark?
Now consider yourself looking at the same
picture, lets say, of the Eiffel Tower on a beautiful spring day in
Paris. For us, looking at this image results in a reduction from a near
infinity of possible states. Not an image of the Andromeda galaxy, not a
childhood picture of your mother, not cells dividing in a Petri dish
and so on. Because of the vast number of images we are capable of
recognizing, each one is highly informative. For Tononi, the vast amount
of information capable of being integrated in the brain means that we
have a comparatively huge capacity for consciousness.
Tononi’s theory, that consciousness is
born out of networks with high degrees of integrated information, has
novel ways of being tested in the laboratory.
In studies with sleeping participants,
Tononi and his colleagues used transcranial magnetic stimulation to send
a ripple of activity through the cortex of sleeping participants. The
researchers found that when dreaming, this ripple reverberated through
the cortex longer than when participants were in stages of dreamless
sleep. This demonstrated that during dreaming, when the brain is
conscious, the cortex has a higher degree of integration.
In another experiment, the researchers
built tiny robots known as ‘animats’ that they placed into mazes. The
animats used simple integrated networks capable of evolving over
sequential generations. To their surprise, the greater the degree of
integration that the animats evolved, the quicker they were able to
escape the mazes. For Tononi this finding suggested that consciousness
may play a more central role in evolution than had previously been
thought.
The mathematical value of integrated information in a network is known as phi. But
Tononi’s theory, now the topic of serious mainstream discussion, has an
extraordinary implication. Phi didn’t just occur in brains, it is a
property of any network with a total informational content greater than
its individual parts. Every living cell, every electronic circuit, even a
proton consisting of just three elementary particles have a value of
phi greater than zero. According to Integrated Information Theory, all
of these things possess something, albeit but a glimmer of ‘what it is
like’ to be them. Tononi states:
“Consciousness is a fundamental property, like mass or charge. Wherever there is an entity with multiple states, there is some consciousness. You need a special structure to get a lot of it but consciousness is everywhere, it is a fundamental property.”
Integrated information theory is in its
infancy and there are still many questions it must face. Did the
information of brains operate at the level of the neuron, or the
protein, or something deeper still? The electromagnetic field of the
brain, as observed by psi researcher Dean Radin, is always
re-establishing its quantum connection to the entire universe. Could a
much richer informational interaction exist than has yet been imagined?
Physicists such as John Wheeler have laid
the groundwork for a radical new understanding of reality, in which
matter, the laws and constants of nature, and indeed the entire universe
is best described, not in terms of physical objects, but through the
play and display of a fundamental dynamic information.
Quantum mechanics suggests that the
entire physical universe is potentially interconnected at a deep level
of nature. So is the total informational content of the universe
integrated in some deep sense? Is it in a mysterious way conscious of
itself?
As spiritual traditions throughout the
ages have long asserted, instead of isolated and separate experiencing
beings, we may experience on behalf of the greater evolving system in which we find ourselves.
In Koch’s highly anticipated 2012 book, ‘Consciousness – Confessions of a Romantic Reductionist’, he states:
“I do believe that the laws of physics overwhelmingly favored the emergence of consciousness. The universe is a work in progress. Such a belief evokes jeremiads from many biologists and philosophers but the evidence from cosmology, biology and history is compelling.”
Regardless of the validity of Tononi’s
theory, today increasing numbers of scientists and academics are
convinced that the existence of consciousness simply cannot be sensibly
denied. The study of fundamental consciousness is now entering the
mainstream. This movement consists of thinkers in and outside of the
mind sciences. Yet despite their different academic backgrounds, they
are united by two common convictions: that consciousness is an intrinsic
rather than incidental emergence in the universe, and that any complete
account of reality must include an explanation of it.
Sources:
- Koch, C. (2009, August 18). A complex
theory of consciousness: Is complexity the secret to sentience, to a
panpsychic view of consciousness? Scientific American.
- Tononi, G. (2008). Consciousness as integrated information: A provisional manifesto. Biological Bulletin, 215(3), 216-242.
- Edlund, J. A., Chaumont, N., Hintze, A.,
Koch C., Tononi G., & Adami, C. (2011). Integrated information
increases with fitness in the evolution of animats. PLoS Computational Biology, 7(10).
- Radin, D. I. (2006). Entangled Minds: Extrasensory experiences in quantum reality. New York: Simon & Schuster.
- Koch, C. (2012). Consciousness: Confessions of a Romantic Reductionist. MIT Press Books.
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