PSYC62H3 Lecture Notes - Lecture 4: Addiction, Substance Abuse, Incentive Salience
Document Summary
A(cid:272)(cid:272)ide(cid:374)tal dis(cid:272)o(cid:448)e(cid:396)(cid:455) of the (cid:271)(cid:396)ai(cid:374)(cid:859)s (cid:396)e(cid:449)a(cid:396)d (cid:272)e(cid:374)te(cid:396) ide(cid:374)tified an important biological property for drugs of abuse. Laws limit the availability of drugs deemed to have a significant risk of abuse. Abuse potential and medical usage affects schedule number. Criticism of controlled substances schedules falls into two general categories. Dsm provides a clinical definition of drug addiction & substance abuse. Drug addiction: characterized by substance dependence (maladaptive pattern of substance use) Substance abuse: does not involve tolerance or dependence. Relapse: return to a chronic drug use state that meets the clinical features of addiction. Drug-addiction models attempt to characterize and explain compulsive drug use. Substance (drug) serves as the cause of disease (addiction) Perspective: people may have a predisposition for drug addiction. Associative learning: making associations between stimuli, behavior, and subjective experience. Operant conditioning: behavior occurs as a result of meeting past consequences. Based on principles of operant conditioning & classical conditioning.
