Brain learns faster from rare rewards than from repetition
Los Angeles CA (SPX) Feb 20, 2026
More than a century after Pavlov trained dogs to link a bell with food, neuroscientists at the University of California, San Francisco report that the brain may rely more on the timing of rewards than on sheer repetition when forming associative memories of cues and outcomes. Their work suggests that what matters for learning is how far apart cue-reward experiences are spaced in time, rather tha
Published by SpaceDaily on 02/25/2026