Title |
Correlation of symptom clusters of schizophrenia with absolute powers of main frequency bands in quantitative EEG
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Published in |
Behavioral and Brain Functions, June 2006
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DOI | 10.1186/1744-9081-2-23 |
Pubmed ID | |
Authors |
Andres Gross, Sirkka-Liisa Joutsiniemi, Ranan Rimon, Björn Appelberg |
Abstract |
Research of QEEG activity power spectra has shown intriguing results in patients with schizophrenia. Different symptom clusters have been correlated to QEEG frequency bands. The findings have been to some extent inconsistent. Replication of the findings of previous research is thus an important task. In the current study we investigated the correlations between the absolute powers of delta, theta, alpha, and beta frequency bands over the fronto-central scalp area (FC) with the PANSS subscales and the Liddle's factors in 16 patients with schizophrenia.The authors hypothesised a priori the correlations reported by Harris et al (1999) of PANSS negative subscale with delta power, Liddle's psychomotor poverty with delta and beta powers, disorganisation with delta power and reality distortion with alpha power on the midline FC. |
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