Winners

James McGaugh’s research fundamentally transformed our understanding of how memories are formed. His early work showed that memories are not created instantly but remain labile and susceptible to influence after learning, gradually stabilizing through a process known as memory consolidation. He also pioneered the concept of post-training manipulations, demonstrating that treatments administered shortly after learning can enhance or impair later retention, providing a powerful way to study memory consolidation while avoiding performance-related confounds.

Over subsequent decades, James McGaugh and his collaborators further revealed how emotional arousal strengthens memory. His work showed that stress hormones such as epinephrine and cortisol modulate memory consolidation by engaging brain systems including the amygdala, which in turn influences other memory-related structures such as the hippocampus, nucleus accumbens, and caudate nucleus. Through this coordinated activity across brain regions, emotionally significant experiences are more likely to be remembered strongly and persistently.