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Hearing

The Open University via OpenLearn

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Details

This course may be unavailable.

Provider

OpenLearn
Pricing

Free Certificate
Languages

English
Certificate

Certificate Available
Duration & workload

15 hours
Sessions

Finished

Found in

Psychophysics Courses

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Overview

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The course aims to provide an understanding of the structure and function of the human ear, neural processing of auditory information, frequency and intensity coding, the central auditory nervous system, auditory perception, psychophysics, and sound localization. Students will learn about sound reception, the anatomy of the cochlea, hair cell tuning, neural transduction, frequency coding, intensity coding, and the perception of intensity and frequency. The teaching method includes lectures, revision questions, and practical experiments. This course is intended for individuals interested in gaining knowledge about hearing, auditory processing, and sound perception.

Syllabus

Introduction
Learning outcomes
1 Sound reception: the ear
1 Sound reception: the ear
2 Structure and function
2 Structure and function
2.1 Structure and function of the outer and middle ear
3 The structure and function of the inner ear
3 The structure and function of the inner ear
3.1 Introduction
3.2 The anatomy of the cochlea
3.3 The role of the basilar membrane in sound reception
Summary
3.4 The organ of Corti and hair cells
3.5 Neural transduction
3.5.1 Hair cells transform mechanical energy into neural signals
3.5.2 Mechanical force directly opens and closes transduction channels
3.5.3 Mechano-electrical transduction is rapid
3.6 Synaptic transmission from hair cells
3.7 Hair cell tuning
3.7.1 Summary of Sections 3.4 to 3.7
3.8 Revision questions
4 Neural processing of auditory information
4 Neural processing of auditory information
5 Frequency coding in cochlear nerve fibres
5 Frequency coding in cochlear nerve fibres
5.1 Place code
5.2 Frequency code
6 Intensity coding
6 Intensity coding
6.1 Firing-rate hypothesis
6.2 Number of neurons hypothesis
6.3 Summary of Sections 4 to 6
7 The central auditory nervous system
7 The central auditory nervous system
7.1 The ascending auditory pathway
7.2 Coding of information in the higher auditory centres
7.2.1 The ‘what’ pathway
7.2.2 The ‘where’ pathway
7.3 The descending auditory pathway
7.4 Summary of Section 7
7.5 More revision questions
8 Auditory perception
8 Auditory perception
8.1 Introduction
9 Psychophysics
9 Psychophysics
9.1 Introduction
9.2 Absolute thresholds
9.2.1 Method of limits
9.2.2 Method of constant stimuli
9.3 Differential sensitivity
9.3.1 Weber's Law
10 The perception of intensity
10.1 Absolute thresholds
10.2 The relationship between loudness and intensity
10.3 Intensity discrimination
11 The perception of frequency
11.1 The relationship between frequency and pitch
11.2 Frequency discrimination
11.3 Frequency selectivity
11.3.1 A masking experiment
11.4 Signal duration
11.5 Summary of sections 8 to 11
12 Sound localisation
12.1 Localisation of sound in the horizontal plane
12.2 Interaural time delays: non-continuous sounds
12.3 Interaural time delays: continuous tones
12.4 Interaural intensity differences
12.5 Localisation of sound in the vertical plane
12.6 Distance cues
12.7 Summary of Section 12
12.8 More revision questions
Acknowledgements

Tags

united kingdom

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