Source:http://linkedlifedata.com/resource/umls/id/C0033978
MSH: A loosely defined grouping of drugs that have effects on psychological function. Here the psychotropic agents include the antidepressive agents, hallucinogens, and tranquilizing agents (including the antipsychotics and anti-anxiety agents).,CSP: drugs which exert an effect upon the mind; capable of modifying mental activity; usually applied to drugs that affect the mental state.,NCI: A classification of medication that acts on the central nervous system, affecting brain function, level of consciousness, mood, emotions, and behavior.