Hemispheric Differences

Left Brain InjuryRight Brain Injury
Right-sided hemiparesis/plegiaLeft-sided hemiparesis/plegia
Right-sided sensory lossLeft-sided sensory loss
Speech & language impairmentsVisual-perceptual impairments
Difficulty in planning/sequencingImpulsive behaviors
Slow, cautious behaviorPoor judgment
Processing delays (including verbal cues)Poor emotional regulation
Memory impairmentsMemory impairments

MCA Syndrome

  • Contralateral hemiparesis
  • Contralateral sensory loss
  • Aphasia
  • Perceptual deficits (inattention, neglect, visual)
  • Ataxia

PCA Syndrome

  • Contralateral hemiplegia
  • Contralateral homonymous hemianopsia
  • Visual impairments
  • Occulomotor nerve impairment
  • Dyslexia
  • Memory impairments
  • Pain

ACA Syndrome

  • Contralateral hemiparesis (LE > UE)
  • Contralateral sensory loss (LE > UE)
  • Apraxia
  • Difficulty with bimanual tasks
  • Urinary incontinence
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