Neural Correlates of the "Aha" Experiences: Evidence From an fMRI Study of Insight Problem Solving

Cortex Volume 46, Issue 3, March 2010, Pages 397-403

By Qiu J, Li H, Jou J, Liu J, Luo Y, Feng T, and Wu Z, Zhang Q.

"In the present study, we used learning-testing paradigm to examine brain activation of "Aha" effects with event-related functional magnetic resonance imaging (fMRI) during solving Chinese logogriphs. Blood oxygenation level-dependent fMRI contrasts between Aha and No-aha conditions were measured. Increased activities in the precuneus (BA 19/7), the left inferior/middle frontal gyrus (BA 9/6), the inferior occipital gyrus (BA 18), and the cerebellum were specifically associated with the "Aha" effects. The results indicate that (1) the precuneus might be involved in successful prototype events retrieval, (2) the left inferior frontal/middle frontal gyrus might be involved in forming novel association and breaking mental sets, (3) the inferior occipital gyrus and the cerebellum might be involved in re-arrangement of visual stimulus and deployment of attentional resources."

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