SOCIAL DIFFERENCES IN AUDITORY PERCEPTION.
D000375:Aging; D001288:Attention; D001307:Auditory Perception; D044383:Black People; D006309:Hearing; D006320:Hearing Tests; D006801:Humans; D007858:Learning; D012924:Social Conditions; D044465:White People
AGING; ATTENTION; CAUCASIAN RACE; HEARING; LEARNING; NEGROES; SOCIAL CONDITIONS