NEUR30003 Lecture Notes - Lecture 13: Cerebellum, Endocrine System, Sympathetic Nervous System

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10 May 2018

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Lecture 13

• Conventional focus of ANS lectures/textbooks is the motor pathways i.e. nerves

carrying signals from the CNS to the organs. However for the system to work, it

needs:

• → information from the periphery, i.e. specialised sensors, visceral sensory nerves to

report on the state of the internal environment and sometimes external things

• → CNS circuits to interpret signals, decide on the most suitable outcome, activate the

appropriate sympathetic or parasympathetic nerves with the correct sequence and

timing, integrate with behaviour and higher order functions

• Sensory and integrative CNS centres involved in autonomic function have key roles

in many complex functions e.g. stress, pain, sickness behaviours

•

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• Caudal visceral sensory division of nucleus of the solitary tract - huge number of

sensory inputs from organs gather

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• 1 - NTS going back down through the pathway

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