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Unformatted text preview: Substance Use Disorders Psych 127A – Guest Lecture Spencer Bujarski [email protected] Outline 1. Prevalence of drug use and substance use disorders 2. Overview of Drugs of Abuse 3. EIology 4. Treatment – will be covered by Dr. Chavira Prevalence of Drug Use AddicIon in the DSM –IV (i.e. outdated) • Substance Abuse (1 or more of 4 symptoms) ▫ MaladapIve use of substance ▫ No physiological dependence • Substance Dependence (3 or more of 7 symptoms) ▫ OccupaIonal or social problems, much Ime trying to obtain substance, conInued use despite problems, etc. ▫ May involve tolerance or withdrawal - physiological dependence ༉ Tolerance - Greater amounts required to produce desired eﬀect ༉ Withdrawal - Physiological and psychological consequences when individual disconInues or reduces substance use Problem with DSM- IV Abuse/Dependence • DiagnosIc orphans – meet 1 or 2 symptoms of dependence but 0 abuse symptoms ▫ Likely have some maladapIve drug use, but no diagnosis applies. • Legal problem criteria in abuse varied a lot between diﬀerent cultures. Problem with DSM- IV Abuse/Dependence Red – Abuse Black – Dependence Blue - Craving AddicIon in DSM- 5 • Abuse and Dependence dropped. • 4 items from substance abuse and 7 from substance dependence were merged into Substance Use Disorder. ▫ Legal problems criteria dropped ▫ Drug craving added • Added severity speciﬁer ▫ Mild: 2- 3 symptoms ▫ Moderate: 4- 5 symptoms ▫ Severe: 6 or more symptoms • Unfortunately DSM- 5 just came out so all the data I will show you is with DSM- IV AddicIon in DSM- 5 ▫ substance is o`en taken in larger amounts or over a longer period than was intended. ▫ There is a persistent desire or unsuccessful eﬀorts to cut down or...
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- Spring '14