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Extraversion degrades performance on the antisaccade task.

Huong N Nguyen1, Jason B Mattingley, Larry A Abel

  • 1Department of Optometry and Vision Sciences, The University of Melbourne, Corner of Cardigan & Keppel Streets Carlton, 3053 Victoria, Australia.

Brain Research
|August 9, 2008
PubMed
Summary
This summary is machine-generated.

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Highly extraverted individuals make more errors on the antisaccade task, a test of cognitive control. This personality trait impacts performance accuracy but not response speed in young adults.

Area of Science:

  • Neuroscience
  • Psychology
  • Ophthalmology

Background:

  • Prefrontal cortex activity varies with extraversion.
  • The antisaccade task is used to assess cognitive control in clinical populations.

Purpose of the Study:

  • To investigate if extraversion influences antisaccade task performance in healthy young adults.
  • To compare the effects of extraversion on error rates and response latencies.

Main Methods:

  • Assessed extraversion using the Eysenck Personality Questionnaire-Revised Short-scale.
  • Evaluated antisaccade errors and latencies in highly extraverted and highly introverted subjects.
  • Utilized a young, non-clinical population.

Main Results:

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Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
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  • Higher extraversion was associated with significantly more antisaccade errors.
  • Extraversion did not influence the latency of correct or erroneous responses.
  • The pattern of results (errors affected, latency unaffected) differs from conditions like schizophrenia.

    • Conclusions:

    • Extraversion, a normal personality dimension, influences ocular motor control in young adults.
    • This finding provides a link between personality traits and cognitive performance measures.
    • Suggests specific cognitive mechanisms may be affected by personality in non-clinical populations.