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Regional changes in EEG power and coherence during cognition: intensive study of two individuals

Regional changes in EEG power and coherence during cognition: intensive study of two individuals

Behavioral Neuroscience 99(3): 564-577

ISSN/ISBN: 0735-7044

PMID: 3843726

DOI: 10.1037/0735-7044.99.3.564

Two men underwent weekly electroencephalogram (EEG) recordings while living for several months in a controlled laboratory environment. Data collected from an eight-channel EEG during a resting period and during performance of two cognitive tasks (word fluency and mental imagery) were subjected to spectral analysis. Statistical analyses on power and coherence were conducted for each subject separately, to determine whether that individual showed a characteristic pattern of EEG activity for a given cognitive task which was stable over time. Although substantial individual differences were observed, particularly for the theta band, both subjects showed changes in the spectral information over the anterior left hemisphere during the word fluency task.

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Accession: 018087087

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