title: Performance on the Penn Facial Discrimination Task by adults with mental retardation.
authors.affiliation: Nisonger Center, Ohio State University, Columbus 43210.
authors.forename: J
authors.initials: J
authors.lastname: Rojahn
authors.forename: T L
authors.initials: TL
authors.lastname: Kroeger
authors.forename: D C
authors.initials: DC
authors.lastname: McElwain
mesh_terms: D000328:Adult; D004193:Discrimination Learning; D004644:Emotions; D005149:Facial Expression; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis / Q000523:psychology*; D007360:Intelligence; D008297:Male; D011939:Mental Recall; D010364:Pattern Recognition, Visual; D011581:Psychological Tests