PSYA01H3 Lecture Notes - Lecture 7: Myelin, Neuron, Axon Terminal

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16 Nov 2016
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The central ns where most of the deep decisions are made: the brain itself and the tissue itself are part of the central nervous system. Central nervous system: the brain and spinal cord area. Parasympathetic and sympathetic: parasympathetic mode is working; your body is focusing on survival. Your brain and peripheral nervous system is working on keeping your body healthy. Long term survival: fixing tissue etc: sympathetic. Flight or fight mode: anytime something suddenly happens our. Focuses on short term survival instead of long term survival bodies go into the sympathetic mode. The 4 f"s: feeding, fleeing, fighting and making love. Mothers have lifted cars to save their child. Linked to goals and desires autonomic muscle sends to signal to let go, Somatic is overriding the autonomic system (it is not overtaking b/c the system is still there but it overrides it) Inter-neurons relay information to central nervous system and back to the motor neurons, which are on the muscles.

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