PSYC 3604 Lecture Notes - Lecture 9: Nicotine Withdrawal, Reward System, Opioid

• School: Carleton University
• Department: Psychology
• Course: PSYC 3604
• Professor: Chris Motz

Document Summary

Lecture 9 substance related and addictive disorders. Substance dependence: the body has become accustomed to the drug. The person may also continue to use substances in order to relieve or avoid withdrawal symptoms. More of a distinction between the two based on severity rather than qualitative. The substance-related and addictive disorders are divided into two groups: substance use disorders, substance-induced disorders (ex: intoxication, withdrawal, delirium) The substance-related disorders involve 10 different classes of drugs: Essential feature of substance use disorder: clusters of cognitive, behavioral and physiological symptoms. The individual continues to use the substance despite significant substance related problems: underlying change in brain circuits that may persist beyond detoxification (severe disorders. ) The behavioral effects of brain changes - exhibited in the repeated relapses and intense drug craving when exposed to substance related stimuli. Diagnostic criteria: a problematic pattern of _______ use leading to clinically significant impairment or distress (at least two of the following + occurring within a 12-month period. )