Walls, R T Galvanic skin response arousal as a function of positive versus negative feedback in retarded adults. [electronic resource] - Journal of mental deficiency research Mar 1975 - 57-61 p. digital Publication Type: Journal Article ISSN: 0022-264X Standard No.: 10.1111/j.1365-2788.1975.tb01257.x doi Subjects--Topical Terms: AdultAuditory PerceptionEmotionsFeedbackFemaleGalvanic Skin ResponseHumansIntellectual DisabilityMaleVisual Perception