NDLI: Detection of Non-Linearity in Schizophrenic Patients Using Magnetoencephalography

Content Provider	Springer Nature Link
Author	Kotini, A. Annis, P.
Copyright Year	2002
Abstract	Objective: The aim of this study is to investigate the presence of any non-linearity in the magnetoencephalographic recordings (MEG) from the temporal lobe of schizophrenic patients in comparison with controls, in order to find the differences underlying the brain waves. We calculated the correlation dimension, which is a measure of the complexity of the dynamic system, as well as the first Lyapunov exponent that indicates the system's unpredictability. Methods: The schizophrenic group consisted of 3 men and 7 women aged 23-32 years (mean 27.2, SD=3.5) and the control group of 3 men and 6 women aged 26-35 years (mean 31.6±4.1). There were no significant differences between the two groups as far as age and sex were concerned. None of them received any medication. Results: The analysis of the MEG in the schizophrenic group showed lower dimension complexity and moreover the first Lyapunov exponent presented lower values compared with the corresponding ones in the control group, which means lower information processing. Conclusion: EEG findings as determined by MEG and non-linear analysis may offer important perspectives to better understand brain function in schizophrenia.
Starting Page	107
Ending Page	113
Page Count	7
File Format	PDF
ISSN	08960267
Journal	Brain Topography
Volume Number	15
Issue Number	2
e-ISSN	15736792
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2002-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Neurosciences Neurology Psychiatry
Content Type	Text
Resource Type	Article
Subject	Neurology Anatomy Radiology, Nuclear Medicine and Imaging Neurology (clinical) Radiological and Ultrasound Technology

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