Psychology 2221A/B Study Guide - Midterm Guide: Autonomic Nervous System, Peripheral Nervous System, Somatic Nervous System
14 Apr 2019
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Autonomic nervous system (ans: each autonomic target organ receives opposing sympathetic and parasympathetic input, therefore activity is controlled by sympathetic and parasympathetic activity, sympathetic nervous system, stimulate, organize and mobilize energy resources in threatening situations. Indicative of psychological arousal: parasympathetic nervous system, acts to conserve energy. Cranial nerves: most nerves on the peripheral nervous system project from the spinal cord, but there are 12 pairs of exceptions, the cranial nerves. Chapter 3: olfactory nerves, smell information (dogs is larger) Optic nerves: vision, leaving your eyes, visual world to brain, blind if damaged. Oculomotor nerves: eye movements, control of pupil, lens and tears. Trochlear nerves: eye movement, trigeminal nerves, facial sensation, chewing, large in sheep, damage can cause numbness. Facial nerves: facial movements, salivary glands, taste, any facial muscles, damage can result in paralysis (not numbness) Vestibulo-cochlear nerves: acoustic branch and vestibular branch (balance)
