New Books in Neuroscience · New Books Network

Rafael Yuste, "Lectures in Neuroscience" (Columbia UP, 2023)

January 16, 2026·1 hr 2 min·35 clips

Gregory McNiff welcomes Rafael Yuste to discuss Lectures in Neuroscience. Yuste frames the book around the idea that the brain is an organic computer. He says the core of that claim lies in the behavior of neuronal ensembles. Those ensembles, he argues, are groups of neurons turning on and off in patterned ways. He suggests the human brain may contain about a million of them, as a rough number. McNiff pushes him on how to make sense of the computer comparison. Yuste answers by stressing that the brain is a computer with memory. He returns to Kant as an early thinker who anticipated representations in the mind. The conversation then shifts into neural-network language. Yuste connects his ensembles to the Hopfield network model. He notes that John Hopfield won the Nobel Prize two years ago for pioneering work on neural networks. In the model, interconnected circuits settle into stable states of activity. Yuste identifies those stable states with attractors. He says attractors are the mathematical version of ensembles. From there, he explains that such a network can do memory, encoding, computation, and optimization. McNiff asks for clarification as the computer analogy grows more abstract. Yuste keeps returning to the idea that the book is trying to explain how this machine works. Near the end, he speaks about the importance of science and the need for more scientists. He hopes the book will inspire a new generation to study neuroscience and understand how the brain works. The conversation closes on that note of urgency and invitation.

As heard by us

A steady account of the brain as an organic computer.

The piece treats the brain as an organic computer and follows that idea through neuronal ensembles and Hopfield-style attractors, showing how coordinated activity can give rise to thought.

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You want a patient case for the brain as an organic computer.

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