PSY322- Substance Use and Dependence

PSY322- Substance Use and Dependence - 1 Abnormal...

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Abnormal Psychology Substance Abuse and Dependence 1
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Substance Use Recreational drug use among college students rose in the 1970’s but declined in the 1980’s, rose again in the 1990’s and has leveled off more recently 13 million Americans used drugs in 1996, down from 25 million in 1979 2
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Substance Use: Terms Use : The ingestion of psychoactive drugs or substances in moderate amounts which do not interfere with functioning Intoxication : Reversible substance specific syndrome due to intake of a substance which interferes with functioning (fighting, impaired judgement, slowed reflexes, etc.) 3
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DSM-5 Substance-Related and Addictive Disorders Substance Use Disorders Problematic pattern of use Substance Intoxication Currently experiencing the effects of drug use Substance Withdrawal Cessation of substance Showing physical signs of cessation 4
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DSM-5 Substance Use Disorders Symptoms Use more, or for longer, than intended Desire or failed attempts to cut down Time spent to get substance (are you driving two hours to get the drug) Cravings Results in failure to meet obligations Continued use despite problems Giving up or reducing activities Use in dangerous situations Continued used despite knowing problems it causes Tolerance- Need more and more to achieve desired effect Withdrawal 5
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Substance Use: Tolerance and Withdrawal Tolerance Need for markedly increased amounts of the substance in order to achieve desired effect Markedly diminished effect with continued use of the same amount of the substance Withdrawal Characteristic withdrawal syndrome of the substance The same or similar substance is taken to avoid or relieve withdrawal symptoms 6
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Comorbidity of Substance Use Disorders It has been estimated that more than ½ of individuals with alcohol use disorders also meet criteria for another psychiatric disorder, such as depression Why??? It can be difficult to pull apart how these disorders co-occur 7
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Substances of Abuse Depressants (decrease activity of central nervous system) Alcohol- widely used depressive Barbituates- commonly used as sleep aids Benzodiazapines- medications used to treat seizures and anxiety Effects Slurred speech, incoordination, unsteady gait, shaking eyes, attentional or memory problems, stupor or coma or death 8
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Substances of Abuse Stimulants Amphetamines (synthetic “designer” drugs) Ex.
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