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narcosis

(Encyclopedia)narcosis närkōˈsĭs [key], state of stupor induced by drugs. The use of narcotics as a therapeutic aid in psychiatry is believed to have a history dating back to the use of opium for mental disorde...

pedophilia

(Encyclopedia)pedophilia, psychosexual disorder in which there is a preference for sexual activity with prepubertal children. Pedophiles are almost always males. The children are more often of the opposite sex (abo...

Janet, Pierre

(Encyclopedia)Janet, Pierre pyĕr zhänāˈ [key], 1859–1947, French physician and psychologist. As director (1890–98) of the laboratory of pathological psychology at Salpêtrière and as professor of experimen...

speech defect

(Encyclopedia)speech defect, any condition that interferes with the mental formation of words or their physical production. Speech defects in children generally become apparent in the early school years. Speech pro...

post-traumatic stress disorder

(Encyclopedia)post-traumatic stress disorder (PTSD), mental disorder that follows an occurrence of extreme psychological stress, such as that encountered in war or resulting from violence, childhood abuse, sexual a...

compulsive gambling

(Encyclopedia)compulsive gambling or pathological gambling, a psychological disorder characterized by a persistent inability to resist the impulse to gamble. The disorder is progressive and typically results in dif...

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