Psychology 2221B Chapter Notes - Chapter 3: Central Nervous System, Franz Nissl, Dura Mater
18 Oct 2013
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Chapter 3: the anatomy of the nervous system. Think of this system as the core. Serves to bring information into the cns and carry signals out of the cns: somatic ns. Tie this back to cns, afferent nerves into the cns (touch, joint angles, muscles, internal organs sending signals to the cns) Efferent sensing signals out of the cns, sending signals to the motor signals so you can move and adapt to the environment: autonomic nervous system, sympathetic nerves. Second stage- neurons are far from the target. Cranial (out of skull area) and sacral (low back) Second stage -neurons are near the target organ. Both are efferent sending signals to sweat glands, lungs, and heart, taking signals out of cns to out of the organs so your body can react to the environment in appropriate ways. 2-stage neural paths, neurons exiting the cns synapses on a second-stage neuron before the target organ.
