The Human Ear.

Slides:



Advertisements
Similar presentations
Topic 12 The Auditory and Vestibular Systems Lange
Advertisements

INTRODUCTION TO HEARING. WHAT IS SOUND? amplitude Intensity measured in decibels.
Hearing Aka: Audition. Frequency the number of complete wavelengths that pass through point at a given time. This determines the pitch of a sound.
The Auditory Nervous System Classical Ascending Pathway.
Hearing Our auditory sense. Frequency the number of complete wavelengths that pass through point at a given time. This determines the pitch of.
Auditory Transduction How the ear converts acoustic energy into a neural response.
Chapter 11 The Auditory and Vestibular Systems
Chapter 11 The Auditory and Vestibular Systems
The Auditory System. Audition (Hearing)  Transduction of physical sound waves into brain activity via the ear. Sound is perceptual and subjective. 
Frequency representation Part 2 Development of mechanisms involved in frequency representation.
Emily Maginnis Michelle Amaya Autumn Dahlgren Tiffany Lam Leyli Flores
Hearing.
A&P Unit 4 Lecture 6A.
Hearing Part 2. Tuning Curve Sensitivity of a single sensory neuron to a particular frequency of sound Two mechanisms for fine tuning of sensory neurons,
Hearing and Deafness Anatomy & physiology. Protection Impedance match Capture; Amplify mid-freqs Vertical direction coding Frequency analysis Transduction.
Audition Exit Home BASIM ZWAIN LECTURE NOTES BASIM ZWAIN LECTURE NOTES Background & Structure of Auditory System Audition 1. Sense of hearing 2. Mechanisms.
Physiology of auditory system References:  Guyton & Hall  Review of medical physiology (Ganong) Dr. Mohammadi.
Slide 1 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright © 2007 Lippincott Williams & Wilkins Bear: Neuroscience: Exploring.
Anthony J Greene1 AUDITORY PATHWAYS & HEARING. Anthony J Greene2.
The Auditory System. Gross anatomy of the auditory and vestibular systems.
Figure 13.1 The periodic condensation and rarefaction of air molecules produced by a tuning fork neuro4e-fig jpg.
Auditory transduction Figure by MIT OCW. After figure in: Bear, Mark F., Barry W. Connors, and Michael A. Paradiso. Neuroscience: Exploring the Brain.
The Auditory and Vestibular System
Sensation Vision The Eye Theories Hearing The Ear Theories Other Senses Smell Taste Pain Gestalt Principles Perceptual Constancies Perception Basic Principles.
Hearing Our auditory sense We hear sound WAVES Frequency: the number of complete wavelengths that pass through point at a given time. This determines.
Conduction deafness: ossification of ossicle articulations Attenuation reflex protects cochlea from large vibrations = loud sounds Fluid behind tympanum.
Transmission of Sound to the Inner Ear The route of sound to the inner ear follows this pathway: – Outer ear – Middle ear – Inner ear scalas vestibuli.
Airborne vs. bone conduction. Conduction hearing loss.
The steps of hearing.  The auricle directs sounds into the external auditory meatus  This guides the sound towards the ear drum.
Hearing Physiology.
External anatomy of the ear Pinna Helix Antihelix Tragus Antitragus Triangular Fossa Concha Lobule.
The Peripheral Auditory System George Pollak Section of Neurobiology.
Fundamentals of Sensation and Perception SOUND AND THE EARS ERIK CHEVRIER OCTOBER 5 TH, 2015.
Innervation Anteriorly auriculotemporal nerve V3 posterior superior CN 7 posterior inferior and floor CN 9 (Jacobsen) +10 (Arnold) clockwise EAC -2.5 cm.
 The receptors of the ear are the mechanoreceptors.  These receptors respond to physical forces such as gross movements that disturb fluids that are.
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings H UMAN P HYSIOLOGY Sensory Physiology_hearing.
Hearing Sound and the limits to hearing Structure of the ear: Outer, middle, inner Outer ear and middle ear functions Inner ear: the cochlea - Frequency.
The Traveling Wave. Reminder 2 Frequency Amplitude Frequency Phase Frequency domain Time domain (time) waveform Amplitude spectrum.
Sound Waves Sound is created when objects vibrate. This vibration causes molecules in the surrounding medium to vibrate as well. This, in turn, causes.
Outline Of Today’s Discussion 1.Auditory Anatomy & Physiology.
Auditory Sense (Hearing) Sense organs: ear, cochlea Receptor cell: hair cell, cilia deflect w/sound wave Receptor mechanism: mechanically-gated cation.
Special Senses: Hearing, Olfaction, Taste  Anatomy of the Ear  Mechanisms for Sensing Equlibirum  Mechanisms for Hearing  Olfaction  Sense of Taste.
The Process of Hearing 1. Sound is caused by vibrations/waves moving through a medium.
Chapter 4 Sensation and Perception. The Ear Audition = hearing Audition = hearing Sounds = mechanical energy typically caused by vibrating objects Sounds.
Structures of the Ear Eustachian tube “Popping” ears Outer, middle, & inner ear.
Auditory System Lesson 14. The Stimulus n What kind of energy is sound? l mechanical l movement of air molecules n Waves l intensity = amplitude l pitch.
PSY2301: Biological Foundations of Behavior The Auditory System Chapter 10.
neurons sepT. 18, 2017 – DAY 9 Brain & Language
Hearing.
Fundamentals of Sensation and Perception
Events in the Stimulation
Schematic drawing showing sound signal transductions in the mammalian ear A: schematic diagram showing the basic anatomy of a mammalian ear. Schematic.
Anatomy.
Central auditory processing
___________ = middle ear infection
The Auditory Pathway This graphic depicts the events in the stimulation of auditory receptors, from channeling sound waves into the external ear and onto.
Perceptual Constancies
Hearing AKA: Audition.
The Auditory System Neuro Quiz Identify the correct question
Information Processing
Special Senses: The Ear
Auditory System Lecture 13.
Scala vestibuli Scala media Scala tympani. Scala vestibuli Scala media Scala tympani.
Bell Work According to the Gestalt principle of proximity,
The Senses: Hearing Auricle collects sound waves
The Special Senses: Part D
How We Hear.
The Auditory Sense: Hearing
The Auditory Sense: Hearing
Presentation transcript:

The Human Ear

The Human Ear

Hearing Aid

The Cochlea

Organ of Corti

Traveling Waves Across the Cochlea

Basilar Membrane Moves and Bends Stereocilia of the Hair Cells

Stereocilia

Mechanoelectrical Transduction Mediated By Hair Cells

Receptor Potentials

Endocochlear Potential

Cochlear Implant

Diagram of the Major Auditory Pathways

MSO Computes the Location of a Sound By Interaural Time Differences

Lateral Superior Olive Neurons Encode Sound Location through Interaural Intensity Differences

The Human Auditory Cortex

The Human Auditory Cortical Speech Areas Related to Processing Speech Sounds

The Human Ear

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2024 SlidePlayer.com. Inc. All rights reserved.