clinical features

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Occlusion at the origin of the middle cerebral artery produces:

  • contralateral hemiplegia - face, tongue, and upper limb most affected; leg relatively spared
  • contralateral hemisensory loss and hemianopia
  • neuropsychological effects:
    • neglect of contralateral limbs and dressing difficulty if non-dominant hemisphere
    • global dysphasia and Gerstmann's syndrome if dominant hemisphere

Occlusion of individual cortical branches produces more moderate impairment. A Wernicke's or Broca's dysphasia may develop without limb weakness or sensory loss.

Last reviewed 01/2018