Rhythms of the Brain
By Gyorgy Buzsaki
Recommended on: 6th June 2023
Rhythms of the Brain, by Gyorgy Buzsaki. Ever wondered about the various rhythms—alpha, theta, gamma, and more—and how they play a role in our thinking? Wonder no more, as this in-depth scientific expose walks you through why the brain’s rhythms are so important, and how those rhythms are thought to arise. Buzsaki’s first chapters cover the speed of neural signals and how this matters in large and small mammals. The book then moves on to describe the different types of oscillators, and how the pulsating signals of individual neurons can aggregate to sinusoidal-appearing waves. One might wonder how neurons can remain in sync even without direct connections—Buzsaki reveals how the brain’s rhythms can synchronize spatially separated areas, rather like a handful of corks rising and falling together on waves of water. In some sense, the brain’s rhythmic waves can serve as the forward “ticks” of a clock. Theta waves in particular seem to serve as discrete channels that hold higher frequency gamma wave information within them. As Buzsaki notes: “Linear time is a major feature of our Western cultural world-view, and the experience of time flowing between past, present, and future is intricately tied to everyday logic, predictions, and linear causation… What I am proposing in this volume is that neuronal oscillations are essential for these deepest and most general functions.”
This is a seminal, not-to-be-missed book in neuroscientific literature.
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