Environmental changes for socialization.
D000368:Aged; D000375:Aging; D003142:Communication; D006127:Group Structure; D006309:Hearing; D006801:Humans; D007398:Interpersonal Relations; D009735:Nursing Homes; D012903:Smell; D012931:Social Environment; D012951:Socialization; D014110:Touch; D014785:Vision, Ocular