The Relationship of Creativity to Cortical Activation and its Operant Control

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Abstract
On the basis of theories and research on cognitive and perceptual processes, several hypotheses concerning psychophysiological differences between high and low creative subjects were made. Thirty male undergraduates were divided into high and low creative groups on the basis of the Remote Associates Test and a version of the Uses Test. Basal alpha index, alpha blocking in response to stimulus onset, and performance on alpha enhancement and suppression in a feedback situation were measured. High creative subjects exhibited a lower alpha index and a greater decrement in alpha due to stimulus onset. High creatives showed immediate acquisition of control in alpha enhancement trials but no improvement across trials, while low creative subjects showed continual improvements and quickly reached the level of control of high creative subjects. High creatives were much better at alpha suppression than at alpha enhancement.

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