Michael Eisenstein.

Michael Eisenstein

Freelance Writer

Michael Eisenstein is a freelance writer covering a broad range of topics in biomedical research and biotechnology. Prior to working as a freelancer, he was on the founding editorial team of Nature Methods, where he served as news and technology editor. His writing has appeared in Nature, Nature Biotechnology, Genetic Engineering and Biotechnology News and Scientific American, among other publications.

Eisenstein has an M.S. in molecular biology from Rockefeller University and an Sc.B. in biology from Brown University.

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Illustration of worm on top of a purple rock with neurons in the background.

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4 November 2026 | 7 min read

Does cognition happen in brain areas or between them?

Michael Cole explains how "brain flows" are the fundamental units of brain function and cognition.

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Brain Flows book cover

‘Brain Flows: How Network Dynamics Compose the Human Mind,’ an excerpt

In his new book, published today, Michael W. Cole examines how the movement of neuronal activity between neuronal populations shapes free will, intelligence and creativity. In this excerpt from Chapter 1, Cole explores why activity flows could unify efforts to map brain functions and connectivity.

By Michael W. Cole
3 November 2026 | 9 min read