Brain waves between 1 and 4 Hz in frequency; associated with deep, slow-wave sleep.
Last reviewed: By John M. Grohol, Psy.D. on 4 Dec 2008
Brain waves between 1 and 4 Hz in frequency; associated with deep, slow-wave sleep.
Last reviewed: By John M. Grohol, Psy.D. on 4 Dec 2008