From Chaos to Stability: How the Brain Invents Our Conscious Worlds
Sep 2024 · University of Iowa Press
Ebook
142
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About this ebook
At the heart of Israel Rosenfield and Edward Ziff ’s inquiry is the nature of brain function. The sensory world is disordered and chaotic. There are no labels for tables, chairs, or airplanes, and indeed there are no colors, sounds, or smells, only photons, airwaves, odorant molecules, and so on, which are unlabeled and impossible to “know.”
To make sense of this chaos, the brain must simplify the sensory inputs by creating, or inventing, the colors, sounds, smells, forms, and faces that are perceived in consciousness, which become a proxy for the chaotic world in which we live. The brain’s ability to generalize and categorize these invented perceptions, and to relate them to one another, enables it to form memories, which are not fixed representations of things past, but a dynamic and malleable function of the brain that is relational.
When formation of these worlds breaks down, neurological differences arise. Although the mechanisms that transform sensory chaos into the simplified perceptions experienced in consciousness remain elusive, Rosenfield and Ziff relate what they have learned by means of imaging brain activity and by mapping the neural circuits that comprise memory traces. In addition, the authors offer perspectives for future studies of consciousness.
To make sense of this chaos, the brain must simplify the sensory inputs by creating, or inventing, the colors, sounds, smells, forms, and faces that are perceived in consciousness, which become a proxy for the chaotic world in which we live. The brain’s ability to generalize and categorize these invented perceptions, and to relate them to one another, enables it to form memories, which are not fixed representations of things past, but a dynamic and malleable function of the brain that is relational.
When formation of these worlds breaks down, neurological differences arise. Although the mechanisms that transform sensory chaos into the simplified perceptions experienced in consciousness remain elusive, Rosenfield and Ziff relate what they have learned by means of imaging brain activity and by mapping the neural circuits that comprise memory traces. In addition, the authors offer perspectives for future studies of consciousness.
About the author
Israel Rosenfield taught at the City University of New York. His books include Freud’sMegalomania, a New York Times Notable Book of the Year. He was a Guggenheim Fellow and a longtime contributor to the New York Review of Books. Edward Ziff is professor emeritus of biochemistry and molecular pharmacology at New York University Grossman School of Medicine. Among others, he is coauthor of DNA for Beginners. Ziff divides his time between New York City and the Catskill Mountains. Fiammetta Ghedini received a PhD in Innovative Technology from Scuola Superiore Sant’Anna (Pisa) and UCL (London). She combines her scientific background with a life-long passion for drawing by producing comics and illustrations. She wrote and comanages ERCcOMICS.
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