APA Dictionary of Psychology

a reversible syndrome that occurs during or shortly after the ingestion or smoking of cannabis. It consists of clinically significant behavioral or psychological changes (e.g., enhanced sense of well-being, intensification of perceptions, a sense of slowed time), as well as one or more signs of physiological involvement (e.g., increased pulse rate, conjunctivitis, dry mouth and throat), included in DSM-IV-TR, DSM-5, and DSM-5-TR. See also substance intoxication.