Human "memories" can be evoked by stimulation of the lateral temporal cortex after ipsilateral medial temporal lobe resection

J. L. Moriarity, Dana F Boatman, Gregory Krauss, P. B. Storm, Frederick Lenz

Research output: Contribution to journalArticle

Abstract

A patient with medically intractable seizures and mesial temporal sclerosis underwent a left anterior temporal lobectomy and amygdalohippocampectomy. After 4 months, his seizures recurred and a left temporal, subdural grid of electrodes was placed to localise his seizure focus. Stimulation through the grid evoked four distinct "memories", or experiential phenomena, despite absence of the ipsilateral medial temporal lobe. To our knowledge, this is the first documented case of experiential phenomena evoked by cortical stimulation in the absence of the ipsilateral medial temporal lobe.

Original languageEnglish (US)
Pages (from-to)549-551
Number of pages3
JournalJournal of Neurology Neurosurgery and Psychiatry
Volume71
Issue number4
DOIs
StatePublished - Oct 2001

Fingerprint

Temporal Lobe
Seizures
Anterior Temporal Lobectomy
Sclerosis
Electrodes

Keywords

  • Cortical stimulation
  • Experiential phenomena
  • Hippocampectomy
  • Memory

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Neuroscience(all)
  • Psychiatry and Mental health

Cite this

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AU - Krauss, Gregory

AU - Storm, P. B.

AU - Lenz, Frederick

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AB - A patient with medically intractable seizures and mesial temporal sclerosis underwent a left anterior temporal lobectomy and amygdalohippocampectomy. After 4 months, his seizures recurred and a left temporal, subdural grid of electrodes was placed to localise his seizure focus. Stimulation through the grid evoked four distinct "memories", or experiential phenomena, despite absence of the ipsilateral medial temporal lobe. To our knowledge, this is the first documented case of experiential phenomena evoked by cortical stimulation in the absence of the ipsilateral medial temporal lobe.

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