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Impulsivity in bipolar-II disorder: trait, state, or both?

Franco Benazzi1

  • 1University of California at San Diego, CA, USA. francobenazzi@fbenazzi.it

European Psychiatry : the Journal of the Association of European Psychiatrists
|May 23, 2007
PubMed
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Trait impulsivity appears to be a characteristic of bipolar II disorder, linked to hypomania symptoms and mood swings. This finding may inform treatments to prevent relapses and mixed states.

Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • Impulsivity is a recognized symptom of hypomania in bipolar II disorder (BP-II).
  • The study investigated whether impulsivity also represents a stable trait in individuals with BP-II disorder.

Purpose of the Study:

  • To determine if impulsivity is a trait in bipolar II disorder.
  • To explore the relationship between trait impulsivity, hypomania symptoms, and mood swings in BP-II.

Main Methods:

  • 136 remitted BP-II outpatients self-assessed trait impulsivity and mood swings.
  • Data were analyzed to assess the frequency of trait impulsivity and its association with hypomania symptoms and mood swings.

Main Results:

  • Trait impulsivity was identified in 41.1% of BP-II patients.

Related Experiment Videos

  • BP-II patients with trait impulsivity showed higher rates of male gender, trait mood swings, past hypomania symptoms, and excessive risky activities.
  • A significant correlation and dose-response relationship were found between the number of past hypomania symptoms and trait impulsivity.

    • Conclusions:

    • Findings suggest trait impulsivity may be a feature of bipolar II disorder.
    • Self-assessment limitations should be considered.
    • Identifying trait impulsivity could aid in preventing relapses and mixed states with mood-stabilizing agents.