Hemispheric Differences

Left Brain Injury Right Brain Injury
Right-sided hemiparesis/plegia Left-sided hemiparesis/plegia
Right-sided sensory loss Left-sided sensory loss
Speech & language impairments Visual-perceptual impairments
Difficulty in planning/sequencing Impulsive behaviors
Slow, cautious behavior Poor judgment
Processing delays (including verbal cues) Poor emotional regulation
Memory impairments Memory 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