Psychology 2030A/B Chapter Notes - Chapter 9: Microcephaly, Drug Withdrawal, Psychoactive Drug

• School: Western University
• Department: Psychology
• Course: Psychology 2030A/B
• Professor: Ian Nicholson

Document Summary

Substance use: low-mod use of a substance that doesn"t impair functioning or cause problems: definition of use makes no claims as to the legality of a substance. Substance intoxication: acute effects of substance use; categorized by dsm as a substance- induced disorder. Intoxication is : reversible, substance specific, results in maladaptive behavioural or psychological changes associated with cns, effects of intoxication emerge during or shortly after drug use. Dsm-5; 2+ symptoms now required to be considered a disorder in dsm-5: severity considered by number of symptoms present (x/6) Tolerance: requiring an increased dose of a substance to achieve the desired effect according to. Withdrawal: syndrome that occurs when concentration of a substance decline in an individual who had maintained prolonged and heavy use of a substance. *smoking is the primary cause of preventable illness and premature death in the world. Cns stimulant that boosts energy, mood, awareness, concentration, and wakefulness.