Intensity and Coherence Contours during Self-Regulated High Alpha Activity
NAVY MEDICAL NEUROPSYCHIATRIC RESEARCH UNIT SAN DIEGO CA
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Spectral intensity and coherence analysis of EEG activity during rest and during a period of self-regulated high alpha in two subjects indicate that 1 Slow frontal activity, which is due primarily to eye movements, is less intense during successful alpha regulation than during baselines. 2 There is little evidence for increased intensity in frequency ranges other than the alpha range during alpha regulation. 3 Occipital alpha tends to be more coherent with frontal than with temporal alpha during occipital alpha regulation.
- Anatomy and Physiology