Chp7_online - Chp 7 Neurophysiology of Arousal and...

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Chp 7 Neurophysiology of Arousal and Attention
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Arousal physiological phenomenon associated with increases in heart rate, blood pressure, respiration, metabolism, and other indicators of activation. http://www.fugly.com/media/view.php?cat=
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CNS structures that control arousal Cerebral Cortex Hypothalamus Ascending reticular activating system
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Cerebral Cortex
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Hypothalamus
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Ascending Reticular Activating System
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Autonomic Nervous System Involuntary Can you voluntarily slow your heart rate down? free diving polygraph
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ANS Two divisions of the ANS Sympathetic Parasympathetic http://grants.hhp.coe.uh.edu/clayne/6397/Unit5 Sympathetic alarm response Physiologically what happens here?
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Adrenal Medullae Releases epinephrine and norepinephrine What causes their release? What do these do? See fig 7.2 pg167
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What is it? There is a range of arousal
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This note was uploaded on 04/01/2008 for the course CHEM 4112 taught by Professor Povloni during the Spring '08 term at University of Houston.

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Chp7_online - Chp 7 Neurophysiology of Arousal and...

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