Documento Fuente
Converging Clinical and Engineering Research on Neurorehabilitation II. Proceedings of the 3rd International Conference on NeuroRehabilitation (ICNR2016), Editors: Ibáñez, J., González-Vargas, J., Azorín, J.M., Akay, M., Pons, J.L., 2016, p. 751-755. (Biosystems & Biorobotics)
Abstract
The aim of this study was to evaluate neural
coupling patterns in schizophrenia (SCH) patients and healthy
controls during an auditory oddball task. Two measures of
functional connectivity were applied to 28 SCH patients and 51
healthy controls to characterize electroencephalographic (EEG)
activity. Specifically, magnitude squared coherence (MSC) and
the imaginary part of coherency (ICOH) were computed for
five frequency bands: theta, alpha, beta-1, beta-2 and gamma.
The results showed a statistically significant modulation
increase in MSC and ICOH for controls with respect to SCH in
the theta band, and a decrease in ICOH for the beta-2 band.
Furthermore, controls showed more significant changes from
the baseline and active task windows than SCH patients. Our
findings suggest that SCH patients show coupling abnormalities
during an auditory oddball task compared to healthy controls.
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