Lateral Specialization of Cognitive Mode: An EEG Study

ABSTRACT We have studied EEG asymmetry in normal subjects during verbal and spatial tasks. Recordings were made from the left and right temporal and parietal areas, and the ratios of average power (1–35 Hz) in homologous leads T4/T3 and P4/P3 were computed. This ratio (right over left) was greater i...

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Bibliographic Details
Published in:Psychophysiology 1972-07, Vol.9 (4), p.412-418
Main Authors: Galin, David, Ornstein, Robert
Format: Article
Language:English
Subjects:
Cognition
EEG asymmetry
Electroencephalography
Female
Functional Laterality
Humans
Lateral specialization
Male
Parietal
Parietal Lobe - physiology
Space Perception
Spatial
Temporal
Temporal Lobe - physiology
Verbal
Verbal Behavior
Verbal, Spatial
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Summary:ABSTRACT We have studied EEG asymmetry in normal subjects during verbal and spatial tasks. Recordings were made from the left and right temporal and parietal areas, and the ratios of average power (1–35 Hz) in homologous leads T4/T3 and P4/P3 were computed. This ratio (right over left) was greater in the verbal tasks than in the spatial tasks. With this measure we have been able to distinguish between these two cognitive modes as they occur in normal subjects, using simple scalp recording.
ISSN:0048-5772
1469-8986
DOI:10.1111/j.1469-8986.1972.tb01788.x