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Hemisphericity and personality.

W Vingiano1

  • 1Westchester County Medical Center, Valhalla, NY 10595.

The International Journal of Neuroscience
|February 1, 1989
PubMed
Summary
This summary is machine-generated.

This study introduces a personality questionnaire to demonstrate hemisphericity as a personality trait. Findings suggest distinct left and right hemisphere personality components in individuals.

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Hemisphericity traditionally focused on cognitive processes.
  • Personality changes observed in temporal lobe epilepsy (TLE) suggest a link to personality.

Purpose of the Study:

  • To develop and validate a personality questionnaire for assessing hemisphericity.
  • To demonstrate hemisphericity as a personality characteristic.

Main Methods:

  • Factor analysis of the Personal Inventory in a normal sample.
  • Development of a brief personality questionnaire based on factor analysis.
  • Three validity studies using cognitive, affective, and general personality measures.

Main Results:

  • Factor analysis revealed distinct left and right hemisphere components in personality traits.

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  • Left hemisphericity characterized by impulse control, low tension, trust, imagination, and positive self-view.
  • Right hemisphericity characterized by poor impulse control, tension, suspicion, shyness, pragmatism, and negative self-view.

    • Conclusions:

    • Hemisphericity can be assessed as a personality characteristic using a validated questionnaire.
    • The findings support the existence of distinct personality profiles associated with left and right hemisphere dominance.