Psychology 2030A/B Lecture 10: Lecture 10 - Susbtance-Related and Addictive Disorders (Chapter 9)

• School: Western University
• Department: Psychology
• Course: Psychology 2030A/B
• Professor: David Vollick

Document Summary

Substance use low to moderate use of a substance that does not impair functioning. Substance intoxication acute effects of substance use: results in maladaptive behaviour or psychological changes associated with the central nervous system, effects emerge shortly after consumption. Tolerance requiring an increased dose of a substance to achieve the desired effect. Cns stimulant boosts energy, mood, awareness, concentration, and wakefulness. Coffee (cid:272)a(cid:374) (cid:271)e a(cid:374) aspe(cid:272)t of o(cid:374)e"s so(cid:272)ial life. Caffeine intoxication physical symptoms (restlessness, nervousness, excitement, insomnia, flushed face, increased urination, muscle twitching, irregular heartbeat, etc. ) Health effects: cardiovascular disorders, reproductive problems, osteoporosis, cancer, psychiatric disturbances, death. 80% of the (cid:449)orld"s populatio(cid:374) (cid:272)o(cid:374)su(cid:373)es it dail(cid:455) Methods of delivery: cigars, pipes, smokeless tobacco, cigarettes. Relief from tension & helps alertness and concentration. Neurotransmitters releases dopamine pleasurable sensations. Increase in blood pressure, respiration and heart rate. Lowered insulin secretion leads to hyperglycemia (high blood sugar) Complications related to pregnancy (e. g. premature birth) Largest preventable cause of death in the world.