PSYCH101 Study Guide - Midterm Guide: Mescaline, Non-Rapid Eye Movement Sleep, Semisynthesis

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Paul Wehr

Document Summary

Psych101: short answer questions for exam 2: explain the following expressions as they apply to neurons and neuronal communication: Lock and key ; all-or-none ; information flows downstream . (3 marks); define agonist and antagonist as they apply to neuronal communication and provide a detailed explanation of two examples each (4 marks); explain the difference between. Neurons do not sort of" fire, or over-fire", they either fire or not. A chemical substance that decreases the activity of a specific neurotransmitter: botox nerve paralyzing bacterium, blocks the action of acetylcholine by binding to its postsynaptic receptor sites. Due to botox directly binding with acetylcholine receptors and preventing acetylcholine from doing so, it"s considered a direct antagonist. Identify and describe all the different branches of the nervous system. What basis is used to make these divisions? (7 marks) 2: nervous system is split into two systems: peripheral and central. Peripheral transmits information to and from the central nervous system.