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Electrophysiologic recordings in a patient with a discrete unilateral thalamic infarction
  1. EJ Hammond*,
  2. BJ Wilder*,
  3. WE Ballinger, Jr
  1. *Neurology Service, Veterans Administration Medical Center, Gainesville, Florida, USA
  2. Laboratory Service (Neuropathology),† Veterans Administration Medical Center, Gainesville, Florida, USA


    The electroencephalogram, and somatosensory and auditory evoked potentials were recorded from a patient, who, at necropsy, showed a restricted unilateral thalmic infarct involving predominantly the anterior and lateral thalamus. The electroencephalogram showed distinct monomorphic delta activity and a suppression of the alpha rhythm over the side of the lesion. Short latency somatosensory evoked potentials were present bilaterally; mid-latency somatosensory evoked potentials were absent ipsilateral to the lesion. Both mid-latency and long latency auditory evoked potentials were normal.

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