PSY 3171 Lecture Notes - Lecture 17: Insomnia, Anxiolytic, Reinforcement

• School: University of Ottawa
• Department: Psychology
• Course: PSY 3171
• Professor: Mark Coates

Document Summary

Substance-related disorders occur when individuals use and abuse drugs to alter their patterns of thinking, feeling, and behaving. These drugs include chemical compounds, alcohol, nicotine, and caffeine. Substance use: ingestion of psychoactive substances on occasion. Substance intoxication: the physiological reaction (ie. drunkness, getting high, etc. ) Substance abuse: de nes on the basis of interference in one"s life. Physiological dependence: requiring more of the drug to get the same effect (tolerance) Withdrawal symptoms when the substance is no longer ingested (chills, fever, diarrhea, nausea, vomiting, aches, and pains) Stealing money to buy drugs, standing outside in freezing cold to smoke, repeated use of the drug: diagnostic and statistical manual. The dsm-5 no longer uses the tern substance abuse and substance dependence, it is now referred to as substance use disorders. Substance use disorders occur when the recurrent use of alcohol and/or drugs causes clinically and functionally signi cant impairment.