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[Hemispheric functional specialization in motor aphasia. Neurophysiologic findings with computerized electroencephalographic brain mapping during musical and oral sound stimulation. Study of 2 cases].

M Muszkat·C M Correia·M H Noffs·N S de Vincenzo·C J de Campos
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Abstract

This study concerns about brain electrical activity during auditory stimulation in 2 aphasic patients, one with classical (left hemisphere lesion) and another with cross aphasia (right hemisphere lesion). Both cases were submitted to dichotic listening test (consonant-vowel-consonant task) and music audition (gregorian chant), during brain mapping examination. We found, in both cases, a great proportion in delta frequency and power in non-lesional hemisphere during dichotic and musical stimulation. Besides, increasing in frequency of alpha activity was observed only in the non-lesional hemisphere restricted to temporal lobe region. Such findings suggest an interesting field of research about measurements of neurophysiological correlates of auditory stimulation and brain electrical activity in aphasia.

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Acoustic StimulationAdultAgedAlpha RhythmAphasia, BrocaBrainBrain IschemiaBrain MappingDelta RhythmDichotic Listening TestsElectroencephalographyFunctional LateralityHumansMagnetic Resonance ImagingMaleNeuropsychological TestsTomography, X-Ray ComputedCase ReportsEnglish AbstractJournal ArticleResearch Support, Non-U.S. Gov't

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M Muszkat, C M Correia, M H Noffs, N S de Vincenzo, C J de Campos. 1995. [Hemispheric functional specialization in motor aphasia. Neurophysiologic findings with computerized electroencephalographic brain mapping during musical and oral sound stimulation. Study of 2 cases].. https://doi.org/10.1590/s0004-282x1995000100014

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