Chapter 9 - Chapter 9 substance abuse What med disorder...

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Chapter 9 – substance abuse What med disorder costs more to society in lost productivity and work time, medical costs and years of life cost. Mostly cigarettes Substance related disorders Substance – induced disorders Intoxication (e.g – being drunk or high) extreme cases lead to death Withdrawals (coming down) Other disorders due to the use of a substance (e.g mood, anxiety or psychotic) [use of crack and coke] Mental status has been altered – [where do you live in, etc…] lots of mood disorder when drink alcohol The “lighter” lvl (vs dependence) Characterized by 1. failure to meet major role obligations (e.g skipping classes or missing work) 2. using substances before/during situation in which it is dangerous (DUI) 3. repeated problems with police (law) due to substance use (drunk and disorderly) 4. recurrent social or interpersonal problems due to substance used (arguments) much more serious condition characterized by: 1. tolerance 2. withdrawal [abstinence and withdrawal symptoms] 3. higher use than initially intended 4. desire or attempt to cut down (failed) 5. lots of time/effort revolving around drug 6. cut back on other activities to use drug 7. continued use despite consequences [alcohol withdrawal – dry mouth, nervous and etc… smoking withdrawal – irritable, nervous, jittery] [DT – delirium tremens – sweaty confused, Dependence: a closer look Tolerance is an individual phenomenon; depends on the drug and the individual Withdrawal: enhance anxiety when withdrawal from anti anxiety drugs Occurs after cessation of heavy use Effects are often the opposite of the drug’s acute effects DT – severe alcohol withdrawal Consists of regular symptoms plus sweating, heart irregularities, delirum and hallucinations Marijuana and LSD may not have withdrawal Native Americans have highest dependence prevalence to drugs/alcohol/either]
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Polysubstance Dependence---- * Is similar to single drug dependence, except dependence here involves use of multiple substances Criteria met only when ind. Does not meet for dependence for one drug Use must be indiscriminate- basically, “whatever I can get my hands on” Depending on the definition, can be associated with the worst damage (deficits) and outcomes Addiction - -- The textbook defines addiction as “compulsive use of a drug accompined by evidence of physiology dependence” [person has developed withdrawal or tolerance] Physiological (physical) dependence equals the dev. Of tolerance or withdrawal Psychological dependence – use to meet psychological need such as coping with stress Development of drug disorders --- Experimentation - routine or daily use dependence [usually around teenage years] depressants – four major types alcohol barbiturates benzodiazepines opioids all four are unified by the fact that they slow CNS function down (by hyperpolarizing the neuron) depressant – slow down CNS – unlike ritulin – it is a antidepressant/stimulant alcohol use is normative at mange ages
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This note was uploaded on 04/15/2008 for the course PSY 4343 taught by Professor Housson during the Spring '08 term at University of Texas at Dallas, Richardson.

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Chapter 9 - Chapter 9 substance abuse What med disorder...

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