PSYC 1000 Chapter 3.2, 3.3 and 3.4: Psychology Week Two

• School: University of Guelph
• Department: Psychology
• Course: PSYC 1000
• Professor: Dan Meegan

Document Summary

Module 3. 2 how the nervous system works: cells and. Neurotoxic = anything that speci cally attacks cells of a nervous system. Page !2: some cells have few dendrites extending from the cell body; these cells do not perform tasks requiring a lot of interactions with other neurons. Tuesday, september 20, 2016: the physical structure of a neuron is related to the function it performs. Glial cells = are specialized cells of the nervous system that are involved in mounting immune responses in the brain, removing waste and synchronizing the activity of the billions of neutrons that constitute the nervous system. 10m/s; myelinated axons transmit information at speeds of up to 150m/s: most neurons in the brain have myelin, when the myelin sheath is damaged, the ef ciency of the axon decreases substantially. Multiple sclerosis is a disease in which the immune system does not recognize myelin and attacks it.