PSYCH 101 Lecture Notes - Lecture 21: Insomnia, Phencyclidine, Sexual Dysfunction
Document Summary
Stimulants: increase neural firing and arouse the nervous system. Amphetamines: known as speed, uppers and bennies, powerful stimulants. Reduce appetite and fatigue, decrease the need for sleep, reduce depression. Widely overused to boost energy and mood. Can lead to heart failure and cerebral hemorrhage (stroke) Amphetamine psychosis: schizophrenia-like hallucinations and paranoid delusions caused by continuous, heavy amphetamine use. Crystal methamphetamine (meth): clear, slightly white or blue-white crystals, inhaled or smoked and is a particularly potent form of amphetamine. Causes irritability, insomnia, loss of rem sleep, hyperactivity, confusion, hallucinations, anxiety, paranoia, and increased aggression. Mdma (3,4-methylenedioxy-methamphetamine): ecstasy, a derivative of amphetamine. Primarily alters serotonin functioning by causing the release of serotonin and blocking its reuptake. Produce acute, reversible cognitive deficits and long-term cognitive impairment, deficits in memory and attention, sleep disturbances, sexual dysfunction, impaired immune responses. Cocaine: powder derived from the coca plant, which grows mainly in western south america. Crack: chemically converted form, effects are faster, more dangerous and intense.
