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Unformatted text preview: y: • Response in a situation becomes more common in future if it is rewarded • Similar to incentive­sensitisation theory • Problem with theory: not all addictive substances are pleasurable to begin with (nicotine, caffeine) Negative reinforcement theory: • Repeat behaviour to escape unpleasant side effects • “Prevention” similar to opponent­process theory • Problem with theory: not all drugs that produce tolerance and withdrawal symptoms but don’t have the compulsive pattern of use seen in other substances Hedonic Homeostatic Dysregulation H @ edonic Homeostatic Dysregulation • • • • Inability to maintain homeostasis prompts impulsive behaviour Failure to self­regulate leads to emotional distress. Sets up “Spiralling distress­addiction cycle” Combination of opponent­process theory and incentive­sensitisation theory Hedonic Homeostatic Dysregulation H @ edonic Homeostatic Dysregulation Addiction Addiction • Symptoms arising from drug addiction o Anxiety o Depression o Psychosis • Risk Factors: o Environment – shared and unique o Existing mental health conditions (depression, psychosis conduct disorder, ADHD) o Genetics (alcoholism, marijuana, heroin but not cocaine) Addiction ­ Treatments Addiction ­ Treatments • How can we stop people from taking and craving drugs of abuse?? • May be treated with available pharmacotherapies • Most available pharmacotherapies are “replacement” thera...
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This note was uploaded on 07/06/2010 for the course ANTHRO ANTH106 taught by Professor Lisawynn during the Three '10 term at Macquarie.

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