PS101-sept 30 - -Human nervous system is divided fundamentally into the central nervous system and the peripheral nervous system(all nerves that

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-Human nervous system is divided fundamentally into the central nervous system and the peripheral nervous system (all nerves that lie outside the CNS) -Central Nervous System brain and spinal chord -Peripheral Nervous System autonomic nerves and somatic nerves -Autonomic parasympathetic (involuntary) nerves and somatic (voluntary nerves) and sympathetic (any stress reactions) -High blood pressure is one of the big “killers” of stress -Blood pressure increases so that your other organs such as your brain can receive blood. -Whenever you are afraid or must flee the “sympathetic” takes over, helping to survive. -Reticular formation, tiny bundle of circuits in the back of the neck. –Arouse the entire cortex -i.e. reticular formation reacts to when you hear your name, It activates the entire cortex - you can condition your reticular formation to ignore certain senses (i.e. someone who lives in new york who trains themselves to ignore the sensory bombardment) -Your reticular formation gets used to certain things such as sounds, and if this is altered
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This note was uploaded on 10/18/2010 for the course PSYCH PS101 taught by Professor Morgenson during the Fall '10 term at Wilfred Laurier University .

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PS101-sept 30 - -Human nervous system is divided fundamentally into the central nervous system and the peripheral nervous system(all nerves that

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