FEELING & KNOWING

The renowned neuroscientist delivers a short but definitely not superficial investigation of consciousness, widely but wrongly looked on as mysterious.

Damasio—the chair of neuroscience and professor of psychology, neurology, and philosophy at USC, where he heads the Brain and Creativity Institute—emphasizes that he has no patience with efforts to solve the “hard problem”—i.e., explaining how the mass of neurons in the physical brain generates conscious mental states. His reason: They don’t, at least not by themselves. While the brain plays an indispensable role, it requires input from “non-neural tissues of the organism’s body proper.” At the simplest level, our physical senses provide feelings, and our memory provides context that our sense of self integrates into what we experience as consciousness, which the author defines as “a particular state of mind resulting from a biological process toward which multiple mental events make a contribution,” Feelings, writes Damasio, “provide the mind with facts on the basis of which we know, effortlessly, that whatever else is in the mind, at the moment, also belongs to us. Feelings allow us to experience and become conscious. Homeostatic feelings are the first enablers of consciousness.” Refreshingly for a professor of neuroscience, Damasio writes lucid prose clearly addressed to a popular audience. Even better, the book is concise (180 pages of main text plus notes and references) and helpfully divided into dozens of short chapters—e.g., “The Embarrassment of Viruses,” “Nervous Systems as Afterthoughts of Nature,” “Turning Neural Activity Into Movement and Mind,” “Algorithms in the Kitchen”—many only one or two pages. Make no mistake, however; Damasio is a deep thinker familiar with multiple disciplines, and this is as much a work of philosophy as hard science. Readers familiar with college level psychology and neuroscience will discover rewarding insights, many of which the author covered in his last book, The Strange Order of Things (2018).

Penetrating observations and speculations for scientifically inclined readers.