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Lecture 4

by: Brianna Nelson

Lecture 4 PSYCH 254

Brianna Nelson
GPA 3.8
Physiological Psychology
James Moyer

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About this Document

These notes cover the divisions of the PNS
Physiological Psychology
James Moyer
Class Notes
25 ?




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This 2 page Class Notes was uploaded by Brianna Nelson on Tuesday February 16, 2016. The Class Notes belongs to PSYCH 254 at University of Wisconsin - Milwaukee taught by James Moyer in Spring 2016. Since its upload, it has received 24 views. For similar materials see Physiological Psychology in Psychlogy at University of Wisconsin - Milwaukee.


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Date Created: 02/16/16
Lecture 4 Somatic NS 0 Controls skeletal muscles 0 Under voluntary control Automatic NS 0 Not under voluntary control Divisions of Automatic NS Sypathetic NS Parasympathetic NS FIGHT OR FLIGHT Constricts pupils Dilates pupils Slows HR Increases blood flow to Increases blood flow to muscles organs Accelerates heart rate Eyes Lungs Stomach intestines Heart gtUJNI 39 12 pairs of cranial nerves Enterexit brain through holes in skull 31 pairs of spinal nerves Enter exit spinal cord between vertebrae CRANIAL NERVES I olfactory nerve II optic nerve V motor trigeminal VII facial nerve X vagus nerve Bell s Palsy CN VII facial paralysis caused by infection SPINAL NERVES 1 Motor is ventralsignas exit the cord 2 Sensory is dorsalsignas enter Spinal Nerves P PWF 8 pairs Cervical region C1 C8 12 pairs Thoracic region TlT12 5 pairs Lumbar region LlL5 5 pairs Sacral region 5155 1 pair Coccygeal region


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