PSYCH101 Lecture Notes - Lecture 2: Peripheral Nervous System, Myelin, Central Nervous System

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

Document Summary

The nervous system and the brain - the big picture. Neuron - basic cells that make up the nervous system. Peripheral nervous system - all the other nerves that run through the body which are not the brain or the spinal cord. Endocrine system - contains hormones, the different chemicals that oat through the blood and in uence us. Movement of ions in and out of the cell membrane is what creates the electricity and causes it to ow down the neuron. Synapse is a complex combination of a bunch of synapses coming together at once to determine whether the next one res. !1 source: university of waterloo psychology 101 course online. De ciency can cause parkinson"s disease, excess can cause schizophrenia. Important in the coordination of movement, attention, and emotion. Involved in mood, hunger, sleep, and arousal. De ciency of serotonin can cause insomnia and depression. Involved in muscle movement, learning, and memory.