PSYC 100 Chapter Notes - Chapter 5: Botulinum Toxin, Schizophrenia, Caffeine

• School: Queen's University
• Department: Psychology
• Course: PSYC 100
• Professor: Jordan Poppenk

Document Summary

The nervous system: an overview: the nervous system controls all behaviour and mental processes. Elements in the nervous system: central nervous system (cns, brain, spinal cord communicates with all central organs and muscles except those in the head, peripheral nervous system (pns) Nerves from the spinal cord and sensory organs of the head. Transmit sensory information from the body to the. Cns, and motor and other commands from the cns to the muscles, glands and internal organs: skeletal nervous system. Arm muscles), relaying motor commands from the brain: motor or efferent. Sensory or afferent: autonomic nervous system (ans) Important in controlling homeostasis (tendency of an animal to regulate internal conditions by a system of controls) Cns: cns is composed by 2 types of cells: neurons and glia, gila. Serve supportive and protective functions to assist neurons. Protective insulation around the axons of neurons. Participate in communication in the brain: neurons. Cell body contains structures that maintains cell health and metabolism.