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Mean power values for the six candidate EEG variables

By Alan Gevins (309152), Cynthia S. Chan (309153) and Lita Sam-Vargas (309154)


<p>. Means over participants of EEG power and within-participant standard deviation of power in theta, alpha and beta bands for alcohol (dark bars) and placebo or pre-ingestion (light bars) conditions for the three studies. These variables were not affected by alcohol in (A) Study 1 (p>.05), but were in (B) Study 2 (p<.01) and (C) Study 3 (p<.01); the four alpha and beta variables increased with alcohol in Study 3 (p’s<.05). In an exploratory analysis of Study 1, the divergence analysis selected beta and theta band power from the group of six, and weighted and combined them in a simple equation that recognized alcohol’s EEG effect. That equation was then applied to the different groups of participants in Studies 2 and 3. Error bars are standard deviation.</p

Topics: Neuroscience, Physiology, Pharmacology, Biotechnology, Mental Health, eeg
Year: 2013
DOI identifier: 10.1371/journal.pone.0044676.g002
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Provided by: FigShare
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