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PSYC203- Addiction.docx

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Dione Healey

PSYC203- Addictions: Substance Use Disorders  Addiction -What are the defining features of addiction? -When someone’s behaviour is controlled by something: -Need for dose escalation = tolerance -Withdrawal on cessation = Abnormal -Addiction: “… a compulsion and need to continue taking a drug as a result of taking it in the past.” -In DSM-5, addiction is defined using the term substance use disorder.  Internet Addiction -Not a disorder in DSM-5 -Ko et al. (2005) proposed these diagnostic criteria: -Maladaptive pattern of Internet use, leading to clinically significant impairment or distress = functional impairment. - Occurring at any time within the same 3-month period -Internet use not better accounted for by: - Psychotic disorder -Bipolar disorder  Internet Addiction: Proposed Criteria -Functional impairment= one or more of: 1. Recurrent Internet use resulting in a failure to fulfil major role obligations at school and home 2. Impairment of social relationships 3. Violating school rules of laws due to Internet use -Defined as a disorder of childhood -Six or more of the following nine symptoms: 1. Preoccupation with Internet activities 2. Recurrent failure to resist Internet use 3. Marked increase in the duration of Internet use needed to achieve satisfaction (ie. Tolerance) 4. Withdrawal on cessation” i. Dysphoric mood, anxiety, irritability and/or boredom when the Internet is down… ii. Use of Internet to relieve or avoid the above symptoms 5. Use of Internet for longer than intended 6. Persistent desire to reduce Internet use 7. Excessive time spend on Internet activities and leaving the Internet 8. Excessive effort spent on activities necessary to obtain access to the Internet 9. Continued heavy Internet use despite having a physical or psychological problem likely to have been caused or exacerbated by Internet use  Criteria for Substance Use Disorders
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