PSY100Y5 Lecture Notes - Lecture 3: Abstraction, Somatic Nervous System, Frontal Lobe

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2 Oct 2016
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Cells in the nervous system fall into 2 major categories: Cells found throughout the nervous system that provide various types of support for neurons. Individual cells in the nervous system that receive, integrate and transmit information. Basic links that permit communication within the nervous system. A minority of them receive signals from sensory organs or carry messages to the muscles that move the body. Contains the cell nucleus and much of the chemical machinery common to most cells. Parts of the neutron that are specialized to receive information. Usually other cells, sometimes thousands of other cells therefore neurons have multiple dendrites. From the dendrites information flows into the cell bodying then travels away from the soma along the axon. A long, thin fibre that transmits signals away from the soma to other neurons or to muscles or glands. In human axons are wrapped in myelin. Myelin insulates the nerve cell, speeds up conduction of nerve messages.

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