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Cortical connectivity in high-frequency beta-rhythm in schizophrenics with positive and negative symptoms

Published online by Cambridge University Press:  03 September 2003

Valeria Strelets
Valeria Strelets*
Affiliation:
Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, 117485 Moscow, Russia strelets@aha.ru
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Abstract

In chronic schizophrenic patients with both positive and negative symptoms (see Table 1), interhemispheric connections at the high frequency beta2-rhythm are absent during cognitive tasks, in contrast to normal controls, who have many interhemispheric connections at this frequency in the same situation. Connectivity is a fundamental brain feature, evidently greatly promoted by the NMDA system. It is a more reliable measure of brain function than the spectral power of this rhythm.

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Article Commentary
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Behavioral and Brain Sciences , Volume 26 , Issue 1 , February 2003 , pp. 105 - 106
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Copyright © Cambridge University Press 2003

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