Everything on Neuroscience/Performance

Rumination locks down the default mode network, inhibiting 267 brain regions critical for creativity and problem-solving. This neurological shift significantly reduces cognitive capacity during periods of overthinking.

Impact: Understanding this mechanism allows leaders to identify productivity bottlenecks and implement interventions that restore team innovation and problem-solving abilities.

— from Breaking Rumination: Neuroscience Strategies for Peak Performance · HBR IdeaCast· May 19, 2026