Marshall, M S The effects of deep physical relaxation and low-frequency-alpha brainwaves on alpha subjective reports. [electronic resource] - Psychophysiology Nov 1976 - 505-16 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. ISSN: 0048-5772 Standard No.: 10.1111/j.1469-8986.1976.tb00870.x doi Subjects--Topical Terms: Alpha RhythmBiofeedback, PsychologyElectroencephalographyElectromyographyEmotionsFemaleHumansMaleMuscle ContractionMuscle RelaxationSelf-Assessment