PSYC 1010 Lecture Notes - Lecture 4: Stimulant, Hallucinogen, Blood Sugar

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Heather Jenkin

Document Summary

Drugs which intensify neural activity and bodily functions. Excite neural activity and speed up body functions. Causes dilation of pupils, increased heart rate/breathing, increase in blood sugar, drop in. Can lead to withdrawal symptoms if used daily. Signals central nervous system to release a flood of neurotransmitters. Produces challenging acute craving and withdrawal symptoms that contribute to relapse after attempts to quit use. Blocks reuptake and thus increase levels at the synapse of dopamine, serotonin, norepinephrine. Effect on consciousness: euphoria at least for 45 minutes. Agitated depression occurs within 15 30 minutes after neurotransmitter levels drop. Psychological effects depend on dosage and form consumed and user"s expectations and personality. Effects depend on dosage and form consumed and user"s expectations and personality. Has short-term health risks and long-term harm to mood and cognition. Calls up sensory images without any input from the senses. Interferes with serotonin transmission (inhibits effects on serotonin)