Closed eyes condition increases auditory brain responses in schizophrenia

Abstract The 40-Hz auditory steady-state responses (ASSRs) of 14 medicated schizophrenic patients were recorded in eyes-open and eyes-closed conditions as previously done in healthy volunteers. Patients show significantly increased precision of the evoked response with eyes closed, and a significant...

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Veröffentlicht in:	Psychiatry research. Neuroimaging 2013-02, Vol.211 (2), p.183-185
Hauptverfasser:	Griskova-Bulanova, Inga, Dapsys, Kastytis, Maciulis, Valentinas, Arnfred, Sidse M
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic Stimulation Adult Adult and adolescent clinical studies Aged Arousal Auditory steady-state response Biological and medical sciences Brain Waves - physiology Electroencephalography Evoked Potentials, Auditory - physiology Eyelids - physiology Humans Male Medical sciences Mental disorders Middle Aged Neuroimaging Psychiatry Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Psychoses Radiology Schizophrenia Schizophrenia - physiopathology Time-frequency analysis
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Zusammenfassung:	Abstract The 40-Hz auditory steady-state responses (ASSRs) of 14 medicated schizophrenic patients were recorded in eyes-open and eyes-closed conditions as previously done in healthy volunteers. Patients show significantly increased precision of the evoked response with eyes closed, and a significant increase of broad-band noise activity when eyes are open.
ISSN:	0925-4927 1872-7506
DOI:	10.1016/j.pscychresns.2012.04.004