psych ch2 page 1+2+3

What is the three main functions of the nervous system?
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Terms in this set (18)
State the two subdivisions of the Peripheral Nervous System and describe their functionSomatic nervous system: carries sensory information to CNS and motor information from CNS autonomic nervous system: connects CNS to the body internal organs and glandsWhenever you reach to pick up a glass of water on a table, both the sensory and motor functions of the somatic nervous system are involved. Explain both the sensory and motor roles in grasping the glassCarries sensory information to the brain thinking pick up the glass then motor information is sent from the CNS to the skeletal muscles to then pick up the glassWhat is an important feature of the ANS?A control system that acts and regulates organs muscles and glandsWhat is the difference in function between the SNS and the ANS? (initiate and regulate)Somatic nervous system carries sensory information to CNS and motor information from the CNS whereas the autonomic nervous system connects the CNS to the body's internal organs and glands and it's self-regulatingIs the ANS completely self-regulating?yesWhat is biofeedback?A process where a person receives feedback about the state of an internal bodily activity that normally occurs automaticallyState the two divisions of the ANS (autonomic nervous system) and describe their functionSympathetic nervous system: increasing the activity of most visceral muscles (preparing body for action) parasympathetic nervous system: decreasing the activity of most visceral muscles (calms body after action)Explain why it can take longer for the parasympathetic nervous system to 'slow down' bodily functions than it does for the sympathetic nervous system to 'speed up' bodily functions.- lingering presence of hormones that are released when sympathetic nervous system is activated - they remain in the bloodstream for some time after the threat has passed