Frustration and adaptation in relation to discrimination learning ability of mentally defective children.
D000223:Adaptation, Psychological; D002648:Child; D002675:Child, Preschool; D003213:Conditioning, Psychological; D004193:Discrimination Learning; D005108:Extinction, Psychological; D005639:Frustration; D005712:Galvanic Skin Response; D006801:Humans; D006815:Hunger; D008607:Intellectual Disability; D009622:Noise