Chapter 6 – Neurophysiology of the Auditory System

Chapter 6 – Neurophysiology of the Auditory System

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Chapter 6 – Neurophysiology of the Auditory System Sensory information is transmitted to an relayed within the central nervous system (CNS) by means of neurons Cortex – highest level of the CNS Some degree of information processing of the acoustic stimulus will occur at each level within the central auditory system once encoded by the peripheral auditory system and transmitted to the CNS 1. Structure and Function of Neurons A. THE NEURON Neuron – most fundamental unit of the nervous system; electrically excitable cell that processes and transmits information by electrical and chemical signaling Basic features: o Soma – cell body; contains the cell nucleus and many organelles o Dendrites – one or more processes; increase surface area of the soma; input device, act to conduct the electrochemical stimulation received from other neural cells to the cell body, or soma, of the neuron from which the dendrites project o Axon – fiber-like, long and cylindrically shaped structure; output
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This note was uploaded on 05/18/2011 for the course CSD 1025 taught by Professor Durrant during the Spring '11 term at Pittsburgh.

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Chapter 6 – Neurophysiology of the Auditory System

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