Korva is a scroll of the internet’s best ideas.
The psychologist Csikszentmihalyi described flow as focus so complete that the self disappears and time stops behaving. Arne Dietrich went looking for what flow does inside the head and found something switching off rather than on. The prefrontal cortex plans, judges, and monitors, and in flow it quiets down. He called this transient hypofrontality, and it remains a theory rather than settled fact.
The picture keeps surviving contact with the scanner. Six jazz pianists were put in an fMRI machine and told to improvise, and the regions that handle self-monitoring went dark. The slow, explicit, supervising system stepped aside, and the fast, automatic one took the wheel.
That would explain why flow feels effortless. The effort was the manager narrating the performance, and the manager left the room.
Why would a quieter prefrontal cortex help performance?
The prefrontal cortex handles deliberate control and working memory, while well-practiced skills run on circuits in the basal ganglia and cerebellum. Psychologist Sian Beilock has shown in studies of golfers and other athletes that paying step-by-step attention to a practiced movement can make it worse. Performers under pressure often stumble when conscious monitoring takes over from automatic execution.
Where else does the prefrontal cortex go quiet?
PET imaging studies in the 1990s found reduced activity in parts of the prefrontal cortex during REM sleep, the stage in which most vivid dreaming happens. Dietrich also proposed in a 2003 paper that sustained, rhythmic exercise could produce a similar effect. Dreaming and absorbed performance may share this feature.
More from DeStaRe Foundation

