Fifteen Times a Second: The Brain's Hidden Vote on What You See
· 9 min read
For decades, research on consciousness in the brain looked for a place. A new preprint from Doris Tsao's lab at UC Berkeley adds timing as a second variable. When two faces compete for your attention and you see only one, face neurons switch between a clean copy of the seen face and a clean copy of the unseen face. In two monkeys, the switch happened about 15 times a second.