Neural evidence for sudden insight

July, 2010

A rat study supports the idea that rule learning occurs in sudden switches in the activity pattern of neurons, that may be experienced as moments of sudden insight.

A rat study has revealed that as the rats slowly learned a new rule, groups of neurons in the medial frontal cortex switched quite abruptly to a new pattern corresponding directly to the shift in behavior, rather than showing signs of gradual transition. Such sudden neural and behavioral transitions may correspond to so- called "a-ha" moments, and support the idea that rule learning is an evidence-based decision process, perhaps accompanied by moments of sudden insight.

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