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N̄ 20 and P̄ 40 somatosensory evoked potentials: Thalamic lesions and subcortical origin
Author(s) -
Fisher M. A.,
Perlik S. J.
Publication year - 1985
Publication title -
acta neurologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.967
H-Index - 95
eISSN - 1600-0404
pISSN - 0001-6314
DOI - 10.1111/j.1600-0404.1985.tb03162.x
Subject(s) - thalamus , somatosensory evoked potential , somatosensory system , thalamic stimulator , scalp , neuroscience , stimulation , medicine , psychology , deep brain stimulation , anatomy , pathology , parkinson's disease , disease
– Three patients with well‐defined clinical and radiographic lesions have been studied with somatosensory evoked potentials (SSEPs). The data indicate that the primary scalp potentials from stimulation of both the arm and leg (N̄ 20 and P̄ 40 ) can be lost with thalamic lesions and would be consistent with these potentials being generated in either the thalamus or thalamocortical radiations.