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
Jeff is a licensed occupational therapist and lead content creator for OT Dude. He covers all things occupational therapy as well as other topics including healthcare, wellness, mental health, technology, science, culture, sociology, and philosophy. Consider supporting my continued free content by sending a tip.