title: Continuous biofeedback and discrete posttrial verbal feedback in frontalis muscle relaxation training.
mesh_terms: D000293:Adolescent; D000328:Adult; D004576:Electromyography; D005246:Feedback; D006801:Humans; D007721:Knowledge of Results, Psychological; D008297:Male; D009119:Muscle Contraction; D009129:Muscle Tonus; D009132:Muscles / Q000502:physiology*; D012647:Self-Assessment