PSYC62H3 Lecture Notes - Lecture 5: Basal Ganglia, Sympathetic Nervous System, Stimulant
Document Summary
Regulatory agencies and drug classification: legislation limits the availability of drugs deemed to have a significant risk of abuse or dependence. Controlled drugs and substances act (ca: organized by schedules to categorize substances by abuse potential and medical usage. Schedule i drugs: high abuse potential and no approved medical purpose: criticism of controlled substances schedules falls into two general categories: Clinical definitions and the diagnosis: the dsm-iv tr provided a clinical definition of drug addiction and 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: the dsm-v collapses construct into substance use disorder. New criterion, craving/strong desire/urge to use a substance added. Theoretical models and the features of drug addiction: drug-addiction models attempt to characterize and explain compulsive drug use, addiction models largely fall into three categories:
