Scientific American - USA (2022-04)

Mysterious

Butterflies

of the

Soul

Santiago Ramón y Cajal, the discovery of neurons

and the origins of modern brain science

By Benjamin Ehrlich

50 Scientific American, April 2022

HISTORY OF SCIENCE

PURKINJE CELL drawn by Cajal

from the human cerebellum at the

back of the head, which regulates

balance for walking and standing.

Excerpted from The Brain in Search of Itself: Santiago Ramón y

Cajal and the Story of the Neuron, by Benjamin Ehrlich.

Published by Farrar, Straus and Giroux.