Interhemispheric memory transfer in the intracarotid amobarbital procedure

Kenneth Perrine, Nancy Donofrio, Orrin Devinsky, Janet Gershengorn, Daniel J. Luciano, Peter Kim Nelson

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The authors examined interhemispheric memory transfer in 32 patients with lateralized temporal lobe complex partial epilepsy (15 right onsets, 17 left onsets). Visually presented verbal, nonverbal, and two types of dually encodable stimuli were displayed during amobarbital anesthesia, and recognition memory was tested with verbal and nonverbal (pointing) response modalities. No relationship was found between the material specificity of stimuli and response modality. The only significant findings were for poorer recognition memory after injection of the hemisphere contralateral to the seizure focus. Visual information presented predominantly to one hemisphere during anesthesia is available to the other hemisphere for recognition memory on clearing.

Original languageEnglish
Pages (from-to)8-11
Number of pages4
JournalNeuropsychiatry, Neuropsychology and Behavioral Neurology
Volume11
Issue number1
StatePublished - Jan 1998
Externally publishedYes

Keywords

  • Amobarbital
  • Disconnection
  • Epilepsy
  • Memory
  • Wada test

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