Evoked potental correlates of recovery from aphasia after focal left hemisphere injury in adults

A. C. Papanicolaou, H. S. Levin, H. M. Eisenberg

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

An evoked potentials (EPs) paradigm that has been effective in demonstrating asymmetries in hemispheric activation during cognitive tasks was used to assess cerebral reorganization for language in recovered aphasics. Cortical click EPs were recorded bilaterally in normal volunteers, recovered aphasics who had sustained focal left hemisphere injury, and nonaphasic patients with diffuse injuries during a control condition of attending only to the click and during a verbal memory task. During that task, EP amplitude attenuation occurred in the left hemisphere for the normal subjects and the nonaphasic patients and in the right hemisphere for the recovered aphasics. These contrasting asymmetries in hemispheric activation suggest that a shift of hemispheric specialization for verbal processing contributes to the recovery of linguistic competence in adult aphasics.

Original languageEnglish (US)
Pages (from-to)412-415
Number of pages4
JournalNeurosurgery
Volume14
Issue number4
DOIs
StatePublished - Jan 1 1984

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Aphasia
Evoked Potentials
Wounds and Injuries
Cerebral Dominance
Patient Rights
Linguistics
Mental Competency
Healthy Volunteers
Language

All Science Journal Classification (ASJC) codes

  • Surgery
  • Clinical Neurology

Cite this

Evoked potental correlates of recovery from aphasia after focal left hemisphere injury in adults. / Papanicolaou, A. C.; Levin, H. S.; Eisenberg, H. M.

In: Neurosurgery, Vol. 14, No. 4, 01.01.1984, p. 412-415.

Research output: Contribution to journalArticle

Papanicolaou, A. C. ; Levin, H. S. ; Eisenberg, H. M. / Evoked potental correlates of recovery from aphasia after focal left hemisphere injury in adults. In: Neurosurgery. 1984 ; Vol. 14, No. 4. pp. 412-415.
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