Frequency-spatial organization of brain electrical activity in creative verbal thinking: role of the gender factor

  • Razumnikova Olga
  • Bryzgalov
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Abstract

Gender differences in EEG patterns associated with verbal creativity were studied by EEG mapping. The EEGs of 18 males and 21 females (right-handed university students) were recorded during a performance of Remote Associates Task (RAT) compared with the letter-fluency and simple associate's tasks. Gender differences were found in a factor structure of the indices of verbal thinking and a score of generating words was greater in women than men. No significant gender differences in originality of associations were revealed, however, gender-related differences in the EEG-patterns were found at the final and initial stages of RAT. In men, the beta2-power was increased in both hemispheres at the beginning of test. To the end of testing, the power of oscillations in the beta2 band increased only in the central part of the cortex. In women, the beta2-power was increased to a greater extent in the right than in the left hemisphere at the initial stage of task performance, whereas the final stage was characterized by a relative decrease in beta-activity in parietotemporal cortical regions and increase in the left prefrontal region. It is suggested that the verbal creative thinking in men is based mostly on "insight" strategy whereas women additionally involve the "intellectual" strategy.

Author-supplied keywords

  • Beta Rhythm
  • Brain
  • Brain Mapping
  • Brain: physiology
  • Creativeness
  • Electrophysiology
  • Female
  • Humans
  • Male
  • Sex Factors
  • Thinking
  • Thinking: physiology
  • Verbal Behavior

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  • PMID: 16217962
  • PUI: 44076740
  • SGR: 27744523870
  • SCOPUS: 2-s2.0-27744523870
  • ISSN: 0044-4677
  • ISBN: 0044-4677

Authors

  • Razumnikova Olga

  • Bryzgalov

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