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Lecture

PSYC 235 Lecture Notes - Samurai Shodown, Opioid, Caffeine


Department
Psychology
Course Code
PSYC 235
Professor
Christopher Bowie

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Fri. March 2, 2012
Substance Related Disorder
Nicotine Use Disorders
Effects of Nicotine
Stimulates the central nervous system, specifically nicotinic
acetylcholine receptors
Results in sensations of relaxation, wellness, pleasure Nicotine is
highly addictive
DSM-IV Criteria for Nicotine Withdrawal Only
Psychological symptoms
Physiological symptoms
Nicotine users dose themselves to maintain a steady state of nicotine
Caffeine Use Disorders
Effects of Caffeine The “Gentle” Stimulant
Found in tea, coffee, cola drinks, and cocoa products
Caffeine blocks antagonizes the neurotransmitter adenosine
Small doses elevate mood and reduce fatigue
Regular use can result in tolerance and dependence
DSM-IV Criteria for Caffeine Intoxication
Psychological symptoms
Physiological symptoms
Opioids
The Nature of Opiates and Opioids
Opiate natural chemical in the opium poppy with narcotic effects
(i.e., pain relief)
Opiods refers to a class of nature and synthetic substances with
narcotic effects
Such drugs are often referred to as analgesics
Examples include heroin, opium, codeine, and morphine
Effects of Opioids
Activate body’s enkephalins and endorphins
Low doses induce euphoria, drowsiness, and slowed breathing
High doses can result in death
Withdrawal symptoms can be lasting and severe
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