For decades, scientists have mapped attention, memory, language, and reasoning to separate brain networks — yet one big mystery remained: why does the mind feel like a single, unified system?

First, the theory predicts that intelligence is not localized to a single brain network but arises from processing distributed across multiple networks. Intelligence, therefore, depends on how the ...

Aron Barbey, the Andrew J. McKenna Family Professor of Psychology in Notre Dame’s Department of Psychology, is also the director of the Notre Dame Human Neuroimaging Center and the Decision ...