Inter and Intra-Hemispheric Resting EEG Coherence in Schizophrenia Patients

Abstract

Schizophrenia is a chronic and disabling mental disorder characterized by distortions in thinking, perception, emotions, language, sense of self and behaviour. The oscillatory pattern of electrical activity generated by synchronized neuronal firing at rest might help in identifying the subjects of schizophrenia. Though various studies have tried to assess the underlying functional connectivity and its impairment in the patients of schizophrenia, the exact mechanism remains to be elucidated. The present study was conducted in the Department of Physiology in collaboration with the

Comparison of resting electroencephalogram coherence in patients with mild cognitive impairment and normal elderly subjects

“…The EEG coherence was a normalized measure of the functional connectivity between brain regions [25], namely signal channel x and signal channel y at any given particular frequency band [24]. Generally, EEG coherence analysis was carried out for the traditional four or five frequency bands: gamma (γ=25-50 Hz), beta (𝛽 = 13-25 Hz), alpha (∝ = 8-13 Hz)theta (𝜃 = 4-8 Hz), and delta (𝛿 = 0.5-4 Hz) [26], [27]. In this study, coherence was measured in the range 1-30Hz.…”