PSY 3171 Lecture Notes - Lecture 17: Methadone, Liver Disease, Attention Deficit Hyperactivity Disorder
6 Dec 2016
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Document Summary
Substance-induced disorders: intoxication, take so much of a particular substance to cause brain damage. Can people abuse drugs/alcohol but not be addicted: yes, depends what type of drug you are using. Can people be addicted to drugs/alcohol, without abusing them: not impairing functioning but real craving for drugs/alcohol. Use: moderate amounts, no impact on functioning. Abuse: significant impact on functioning, affects relationships, hobbies, habits, etc. Tolerance: needs increasing amounts of the drug to get the same effect. Withdrawal: negative physiological response to lack of ingestion: psychological dependence. Stimulants: mild methamphetamine use disorder, moderate cocaine use disorder, severe methylphenidate use disorder. Depressant: initially depresses inhibitory centers of brain, then other areas speech, coordination, judgement, vision, affects many different biological systems (gaba, glutamate, Serotonin, dopamine, endogenous opioids: risk for violent crime. Severe withdrawal symptoms: autonomic hyperactivity, increased hand tremor, insomnia, nausea or vomiting, hallucinations or illusions, psychomotor agitation, anxiety, liver disease, pancreatitis, cardiovascular disorders, brain damage, generalized tonic-clonic seizures grand mal seizures.
