PSYC 375 Lecture Notes - Lecture 8: Ependyma, Purkinje Cell, Neuron Doctrine

• School: University of Calgary
• Department: Psychology
• Course: PSYC 375
• Professor: Simon Spanswick

Document Summary

Axon collaterals- the branch on an axon. Each branch has an end, which is called a telodendria. Terminal buttons are the knobs at the tips of the axon that convey information to other neurons. The neuron doctrine states that neurons are discrete cells. A synapse is the junction between the axon of one neuron and the dendrites of the next. The synapse is the site of information transfer between neurons. There are three basic types of neurons. Sensory neurons bring information to the central nervous system. Bipolar neurons, which are found in the retina, conduct afferent info to the visual centers of the brain. Somatosensory neurons send afferent info into the spinal cord. Interneurons associate sensory and motor activity within the central nervous system. Interneurons are much more complex than sensory neurons. Pyramidal cells are long axons with two sets of dendrites. Purkinje cells are extremely branched dendrites that send info from the cerebellum to the rest of the brain.