 Electroencephalography EEG EEG before and after the acute phase of treatment will be used to examine mean absolute spectral power within 5 frequency bands. The mean absolute power in squared microvolts per hertz will then be computed within the following 5 frequency bands: delta 0.5-3.5 Hz, theta 3.5-7.5 Hz; alpha 7.5-12.5 Hz; beta 1 12.5-20.5 Hz, and beta 2 20.5-32.5 Hz. EEG activation spectral power will be assessed at rest eyes open and closed and during cognitive engagement in several tasks. 