Int J Psychophysiol. 2009 May;72(2):228-33. Epub 2008 Dec 24.

Long-term stability of resting frontal EEG alpha asymmetry and power in a sample of stable community outpatients with schizophrenia.

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Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, Canada.

Abstract

The authors examined the long-term stability of resting regional EEG alpha asymmetry and power (i.e., markers of affective style) in a sample of 15 stable community outpatients with schizophrenia. We found that resting frontal EEG alpha asymmetry and power both remained stable over a 36-month interval before and after controlling for patients' positive and negative symptoms. This same pattern was not evidenced in the posterior EEG sites. These findings provide preliminary evidence of a putative psychophysiological trait marker of affective style in stable community outpatients with schizophrenia.

PMID:: 19138711; [PubMed - indexed for MEDLINE]

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Long-term stability of resting frontal EEG alpha asymmetry and power in a sample of stable community outpatients with schizophrenia.

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