PSYC 1001 Chapter Notes - Chapter 3: Afferent Nerve Fiber, Phineas Gage, Circulatory System
11 Apr 2016
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Document Summary
Individual cells in the nervous system that receive, integrate and transmit information. Specialized body cells that mostly communicate with other neurons in the nervous system. Small minority receive signals from outside nervous system (from sensory organs) or carry messages from nervous system to muscles (for movement) 3-4 weeks after conception: 250,000 neurons are produced a minute. Mirror neurons: class of neurons which allow us to understand the difference between ourselves and others. Contains nucleus and common cell chemical machinery (sustaining functions) The only part of the neuron not involved with handling information. Parts of a neuron that are specialized to receive information (which flows into soma) A long, thin fibre that transmits signals away from the some to other neurons, or to muscles or glands. Insulating material, derived from glial cells, that encase some axons. Without these: signals would not be transmitted effectively. Would cause a loss of muscle control (multiple sclerosis or ms)
