PSY 215- Midterm Exam Guide - Comprehensive Notes for the exam ( 29 pages long!)
5 Oct 2017
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Psychoactive substances alter mood, behavior, or both: e. g. , cocaine, alcohol, but also tea, coffee. What are some reasons why people throughout history may have used psychoactive drugs: raves, parties, religion, enlightenment, peer pressure, reduce tiredness, to increase productivity. The dsm-5 states that in order for a person to be diagnosed with a disorder due to a substance, they must display 2 of the following 11 symptoms within 12- months. Withdrawal: building up a tolerance to the alcohol or drug. Dsm-5 as (cid:498)either needing to use noticeably larger amounts over time to get the same amount. (cid:499) symptoms typically include, according to the dsm-5:(cid:499)anxiety, irritability, fatigue, nausea/vomiting, hand tremor or seizure in the case of alcohol. (cid:499) Neurons brain cells which communicate via circuits. Gila supporting cells of the cns; outnumber neurons 10 to 1. Neurotransmitters chemical messengers which are passed from one.
