Evolution is Cognitive ThermodynamicsJ Scott Turner (State University of New York (SUNY))
Science & Scientist 2023: Life & Cognition at the Intersection of Science, Philosophy, & Religion
ABSTRACT: Charles Darwin sought a natural law explanation for the evolution of life, which he hoped would be free of the vitalist predilections of his grandfather, Erasmus Darwin, and his French predecessor, Jean-Baptiste Lamarck. His solution was natural selection: variation of form and function within generations, with some variants being “naturally selected” for success in breeding. Darwin’s conception of natural selection was inextricably bound up with the organism, particularly in the phenomenon of adaptation, for which he constructed an elaborate theory of heritable adaptation, pangenesis. In the 1920s, Darwin’s organism-centered concept of adaptation was replaced by a gene-centered concept, which conferred fitness on genes for “apt” function relative to genes for “inapt” function. As a result, the vital phenomenon of adaptation was lost.
A coherent theory of evolution requires a coherent theory of life, which modern Darwinism lacks. What is needed is an explicit recognition of life’s unique attributes, among them cognition, intentionality, purposefulness, and creativity, but grounded in life as a thermodynamic phenomenon. I argue that recognizing life’s unique properties (“small-v vitalism”) is not only compatible with understanding life as a thermodynamic phenomenon, it provides a more coherent theory of adaptation and evolutionary change. This negates the Darwinian conception of evolution, however, because it makes evolution a profoundly purposeful phenomenon, driven by the intentionality and creativity of life.
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Detailed SS23 description:
Short SS23 description:
In her 1983 Nobel lecture, Barbara McClintock challenged 21st-century science to “determine the extent of knowledge the cell has of itself, and how it utilizes this knowledge in a ‘thoughtful’ manner when challenged.” Since then, significant scientific progress has been made in recognizing that all cells are cognitive and that they exercise self/nonself discrimination in various ways. These discoveries proved Humberto Maturana’s hypothesis that “[l]iving systems are cognitive systems and living as a process is a process of cognition [...] for all organisms with and without a nervous system” and challenge theories that reduce cognition/consciousness to neuronal correlates, “the minimum neuronal mechanisms jointly sufficient for any one specific conscious experience,” since a single nerve cell already exhibits conscious decision making.
These discoveries also prompted scientists to recognize the need to clarify the concept of “self.” While such efforts advocate a non-reductionist systems approach, they avoid the first-person perspective of selfhood in favor of third-person perspectives. But the first-person perspective is the only concrete account we have of the self. This situation demonstrates the necessity for phenomenological approaches to self-inquiry that transcend systems thinking by embracing conceptual thinking. G.W.F. Hegel’s philosophy demonstrates this method’s applicability for comprehending Logic, Nature, and Spirit. Humanities scholars at Princeton University have conducted several programs engaging with Hegel’s philosophy since 2017, including one individual (now a Research Associate at the Institute for Advanced Study in Princeton) currently studying Hegel’s logical category of life, its transition to the category of cognition, and the implications this has for comprehending organic life and artificial intelligence.
Vedānta philosophy describes that our consciousness determines our experience, i.e. our knowledge of objects and the world determines the world we live in and how we perceive those objects. To the extent that “embodied cognition” refers to the understanding that cognition/consciousness is enmeshed in the relationship between a body and interactions with its environment, it coincides with Vedāntic knowledge in that cognition/consciousness is intertwined in the relationship between a body and its interactions with the environment, but understanding the body as a material thing intended to exploit the environment to maximize individual enjoyment produces a very different experience than identifying as spirit fixed in uninterrupted joyful loving service to the Supreme.
We hope to clarify the distinction between cognition and consciousness to accurately determine the various behaviors of particular living entities. An etymological analysis suggests considering cognition as a less sophisticated faculty than consciousness. Cognition is an initial step of mediated thought where an object is reflected into the mind and a preliminary mental representation is formed, which is enough to navigate the relatively simplistic experience of cellular life and other lower lifeforms such as insects and plants. The phrase “lower lifeforms” is not being used in a derogatory way but to denote living entities whose activities seem mainly absorbed in exercising volition and cognition while responding to immediate environmental circumstances without exhibiting symptoms of a sophisticated internal emotional experience. Consciousness, on the other hand, denotes an identity-in-difference between subject and object that requires a dialectic approach to comprehend. This is a further development of thought where the conscious agent knows apparently external objects as identical to itself, as well as recognizing its difference from objects. In addition to exercising volition and cognition, conscious entities like elephants, cows, and humans have a more mediated relationship with their environment allowing them to form emotional attachments to things other than themself. Scientists recognize that “there is continuity between humans and other animals in their emotional (and cognitive) lives; that there are transitional stages among species, not large gaps; and that the differences among many animals are differences in degree rather than in kind.” When one experiences an identity with something other than oneself, a feeling of inner connection is established. So, living cells may be volitional and cognitive, but not emotional. This indicates an evolution of consciousness throughout lifeforms where different stages of development are distinguished by the degree to which and particular manner in which a living entity expresses volitional, cognitive, and emotional activity.