Title: Chapter 15: The Central Auditory Nervous System
1Chapter 15 The Central Auditory Nervous System
This Power Point Presentation is to accompany the
textbook FUNDAMENTALS OF HEARING AN
INTRODUCTION (5th Edition) Published by Elsevier
Press and authored by William A. Yost. Please
consult the Power Point Instructions at this Web
Site before using this Presentation.
2Brain Stem and the Cranial Nerves
XIIIth Cranial Nerve
3Ascending (Afferent) Central Pathways
CNCochlear Nucleus MCOOlivary Complex
ICInferior Colliculus MGBMedial Geniculate
Body ACAuditory Cortex
4Descending (Efferent) Central Pathways
MGMedial Geniculate Body IC Inferior
Colliculus DLLDorsal Lateral Lemniscus
VLLVentral Lateral Lemniscus
DCNDorsal Cochlear Nucleus PVCN Posterior
Ventral Cochlear Nucleus LSO Lateral Superior
Olive, MSO Medial Superior Olive MNTB Medial
Nucleus of the Trapezoid Body.
5Different Fiber Types and Circuits
PPrimary-Like OOctopus Cells GBGlobular
Bushy Cells MPMultipolar Cells SBSpherical
Bushy Cells, SOCSuperior Olivary Complex
6Different Fiber Types and Circuits
7Lateral Inhibition
10
10
10
10
20
20
20
20
Excitation
Inhibition
Neural Output
8AER
9Auditory Brainstem Response (ABR)
10Brain Imaging
11Plasticity
12Cochlear Nucleus
13Superior Olivary Complex
14Inferior Colliculus
15Jeffress Coincidence Networkfor Processing
Interaural Time Differences
16Barn Owl Jeffress Coincidence Network
RIGHT SIDE
LEFT SIDE
NLNuclear Laminaris
Coincidence Cells
17Auditory Cortex
18Auditory Cortex
19Auditory Cortex Amplitude Modulation