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Creativity and cortical activation during creative, intellectual and EEG feedback tasks.

C Martindale, D Hines

    Biological Psychology
    |September 1, 1975
    PubMed
    Summary

    High creativity individuals showed distinct electroencephalogram (EEG) alpha patterns during cognitive tasks. Those scoring high on the alternate uses test maintained high alpha, while remote associates test scorers varied alpha based on task type.

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    Area of Science:

    • Neuroscience
    • Cognitive Psychology
    • Psychophysiology

    Background:

    • Creativity is a complex cognitive function.
    • Electroencephalogram (EEG) alpha activity is linked to cognitive states.
    • Different creativity measures may reflect distinct neural underpinnings.

    Purpose of the Study:

    • To investigate the relationship between creativity measures and EEG alpha activity.
    • To explore how different types of creative tasks influence alpha presence.
    • To examine alpha modulation control in relation to creativity.

    Main Methods:

    • Thirty-two male subjects were grouped based on performance on the remote associates test and alternate uses test.
    • Right EEG alpha presence was monitored during basal conditions, creativity tests, intelligence tests, and alpha modulation tasks.

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  • Alpha activity was analyzed in relation to performance on different cognitive tasks and feedback situations.

    • Main Results:

    • High scorers on the alternate uses test consistently showed a high percentage of basal alpha across all tasks.
    • High scorers on the remote associates test exhibited varied alpha presence, with peak alpha during creativity tests and lowest during intellectual tests.
    • Both high creative groups demonstrated increased alpha during attempted suppression and enhancement, without significant differences in overall control compared to low creative groups.

    Conclusions:

    • Different creativity measures correlate with distinct patterns of EEG alpha activity.
    • The remote associates test may engage neural networks differently than the alternate uses test, reflected in alpha modulation.
    • While high creative individuals show alpha modulation tendencies, overall control does not significantly differentiate them from lower creative groups.