Terry Sejnowski: Discovery of Brain Waves

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Every night while you sleep, electrical waves of brain activity circle around each side of your brain, tracing a pattern that, were it on the surface of your head, might look like the twin hair buns of Star Wars’ Princess Leia. The Salk Institute scientists who discovered these circular “Princess Leia” oscillations, which are described in the journal eLife, think the waves are responsible each night for forming associations between different aspects of a day’s memories.

[Video and text source: Beck Ellman Heald Media Center YouTube channel]