01:830:220 Lecture Notes - Lecture 20: Delirium Tremens, Conditioned Place Preference, Psychoactive Drug
Document Summary
Dsm-v describes substance use disorders in terms of a maladaptive pattern behaviors that are related to a continued use of drugs. Previous versions used two terms to describe substance use disorders, and these terms reflect different levels of severity: These terms are no longer used in the dsm. Excess in any area can be an addiction. Tolerance: the process through which the nervous system becomes less sensitive to the effects of alcohol or any other drug. Individual has trouble with a substance because they need more and more to get the high they want. Metabolic: body becomes adapted to the drug. Liver adjusted when you ingest any psychoactive substance. Receptors in the brain adapt to continued presence of the drug. Behavioral conditioning: resistance to the drug"s behavioral effects. If there is one particular place where you ingest the drug, when you visit that place again, your body counteracts the drug before you even take it.
