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  • Title: [Hemispheric organization of verbal memory functions in seasonal winter depression: electrophysiological analysis].
    Author: Vol'f NV, Pasynkova NR.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 2001; 51(1):24-31. PubMed ID: 11253396.
    Abstract:
    Spatial organization of EEG power and coherence during memorization of dichotically presented lists of words were studied in patients with winter depression (N = 17) and control subjects (N = 22). In contrast to the control subjects, the depressed patients were characterized by the higher theta power in the right parietal and posterior temporal regions and the dominance of the alpha 2 in the left midfrontal area. The patients also differed in the lower theta 2 coherence in the left hemisphere and lower alpha 1 coherence in the right hemisphere. These effects showed different intrahemispheric distribution. The interhemispheric EEG coherence in the theta 2 range between the frontal areas and alpha 1 coherence between the left frontal and right posterior areas was lower in the patients than in the control subjects. Verbal-emotional interaction in depressions are discussed.
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