Alcoholism-related alterations in spectrum, coherence, and phase synchrony of topical electroencephalogram.
- Authors
- Tcheslavski, Gleb V; Gonen, Fahrettin F
- Year
- 2012
- Journal
- Computers in biology and medicine
- PMID
- 22221915
- DOI
- 10.1016/j.compbiomed.2011.12.006
The objective of present work was to assess differences in spectrum, coherence, and phase synchrony of topical electroencephalogram (EEG) between alcohol-dependent individuals and healthy participants. Surface currents were mitigated by a common average spatial filter. Parametric spectral and coherence estimates obtained for consecutive 0.5s-long EEG fragments were generally lower for alcoholics than for controls while evaluated for low EEG rhythms. Phase synchrony computed for 2.34s-long overlapping EEG fragments was lower for alcoholics than for controls while evaluated in Ξ±(2) and Ξ²(1) rhythms and for specific electrode pairs. Kruskal-Wallis one-way analysis of variance evaluated these alterations as statistically significant.
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In this knowledge base
| Title | Year | PMID |
|---|---|---|
| Advances in Electrophysiological Research. | 2015 | 26259089 |
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