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Hemispheric stroke: Mood disorders

Michał Harciarek1, Aleksandra Mańkowska1

  • 1Department of Social Sciences, Institute of Psychology, University of Gdansk, Gdansk, Poland.

Handbook of Clinical Neurology
|August 14, 2021
PubMed

Insights

Stroke survivors frequently experience mood disorders like depression, influenced by brain injury location. Understanding these emotional changes is key to recovery.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Neurology

Background:

  • Stroke is a leading cause of disability.
  • Mood and emotional disorders are common post-stroke complications, affecting up to one-third of patients.
  • These disorders include depression, mania, anxiety, and apathy.

Purpose of the Study:

  • To discuss mood disorders associated with hemispheric strokes.
  • To explore the neuropsychological mechanisms underlying these affective disorders.

Main Methods:

  • Review of literature on stroke-related mood disorders.
  • Analysis of the relationship between brain injury characteristics (severity, side, hemisphere) and emotional outcomes.

Main Results:

  • Left hemispheric strokes are often linked to depression and anxiety.
  • Right hemispheric strokes are predominantly associated with emotional indifference or euphoria.
  • Mood disorder development depends on injury severity and location.

Conclusions:

  • Hemispheric location significantly influences the type of mood disorder post-stroke.
  • Neuropsychological mechanisms are crucial for understanding post-stroke affective changes.

Keywords:
AnosodiaphoriaApathyMood disordersPoststroke depressionSecondary mania

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