Insight related brain activity (IMAGE)
Caption
Animation showing insight-related brain activity followed by neural reward-related activity. The horizontal axis shows time, in milliseconds, counting down to the button-press that test-subjects made (at 0 milliseconds) immediately upon solving an anagram puzzle. Maps of high-frequency "gamma" EEG activity are projected on to two head models. The map on the right shows activity associated with insight solutions minus activity associated with noninsight solutions. The appearance of the lightbulb marks the onset time of the insight-related activity recorded over left prefrontal cortex. The map on the left shows the reward-related activity recorded over right prefrontal cortex in individuals who are high in reward sensitivity. This reward signal is marked by the appearance of a lightbulb with a smiley face at about 460 milliseconds before the button-press.
Credit
Drexel University
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