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auditory brain and age-related hearing impairment
1 online resource (xvi, 279 pages) : illustrations
The Auditory Brain and Age-Related Hearing Impairment provides an overview of the interaction between age-related hearing impairments and cognitive brain function. This monograph elucidates the techniques used in the connectome and other brain-network studies based on electrophysiological methods. Discussions of the manifestations of age-related hearing impairment, the causes of degradation of sound processing, compensatory changes in the human brain, and rehabilitation and intervention are included. There is currently a surge in content on aging and hearing loss, the benefits of hearing aids and implants, and the correlation between hearing loss, cognitive decline and early onset of dementia. Given the changing demographics, treatment of age-related hearing impairment need not just be bottom-up (i.e., by amplification and/or cochlear implantation), but also top-down by addressing the impact of the changing brain on communication. The role of age-related capacity for audio-visual integration and its role in assisting treatment have only recently been investigated, thus this area needs more attention.
Front Cover; The Auditory Brain and Age-Related Hearing Impairment; Copyright Page; Contents; Preface; Abbreviations; I. Manifestations of Age-Related Hearing Impairment; 1 Hearing and the Auditory Brain in the Elderly; 1.1 Introduction; 1.2 Tracking Age-Related Hearing Impairment; 1.2.1 Increasing Hearing Loss; 1.2.2 Decreasing Speech Understanding; 1.3 Auditory Evoked Potentials Across the Lifespan; 1.4 Auditory Brain Changes With Age; 1.4.1 Cortical Atrophy; 1.4.2 Nonclassical Sound-Responsive Cortical Areas; 1.4.3 Changed Cortical Responsiveness in Aging
1.5 Prevalence and Incidence of Tinnitus Across the Lifespan1.6 Summary; References; 2 Age-Related Changes in Auditory Sensation; 2.1 Life-Span Changes in Hearing Acuity; 2.1.1 Standard Audiometry; 2.1.2 Prevalence and Effects of Occupational Noise Exposure; 2.1.2.1 Prevalence of Hearing Loss; 2.1.2.2 Effects of Occupational Noise Exposure; 2.1.3 Extended High-Frequency Audiometry; 2.2 Changes in Audiogram Phenotypes; 2.3 Structural Changes in the Human Cochlea With Age; 2.4 Otoacoustic Emissions and Auditory Brainstem Responses; 2.4.1 Otoacoustic Emissions; 2.4.2 Auditory Brainstem Responses
2.5 Effects of the Efferent System on the Auditory Periphery2.6 Summary; References; 3 Age-Related Changes in Auditory Perception; 3.1 Understanding Speech in Noise; 3.1.1 Early Studies; 3.1.2 Setting Up a Theoretical Underpinning; 3.1.3 Energetic Versus Informational Masking; 3.1.4 Modulation-Masking Release and Temporal Aspects of Masking; 3.2 Aging and Central Deficits in Speech Processing; 3.2.1 Brain Stem and Midbrain; 3.2.2 Cortex; 3.2.2.1 Structural and Functional Magnetic Resonance Imaging; 3.2.2.2 Electroencephalogram-Based Studies
3.3 Effects of the Efferent System on Speech Perception3.3.1 General Effects of the Medial Olivocochlear System; 3.3.2 Aging Effects on the Medial Olivocochlear; 3.4 Summary; References; 4 Aging, Cognition, and Dementia; 4.1 Interaction Between Hearing Impairment and Cognition; 4.1.1 Cognition and Speech Perception; 4.1.2 More Extensive Cognitive Testing; 4.1.3 Opinions From Critical Reviews; 4.2 Interaction Between Cognitive Decline and Temporal Processing; 4.2.1 Behavioral Studies; 4.2.2 Brain Imaging Studies; 4.3 Listening Effort; 4.3.1 Coping With Acoustic Challenges
4.3.2 Working Memory and Cognitive Spare Capacity4.3.2.1 Behavioral Tests; 4.3.2.2 Electrophysiological Correlates; 4.3.3 Audiovisual Interaction; 4.3.3.1 Behavioral Tests; 4.3.3.2 Cortical Auditory Evoked Potentials and Functional Magnetic Resonance Imaging Correlates; 4.4 Age-Related Hearing Impairment and Dementia; 4.4.1 Epidemiology; 4.4.2 Mild Cognitive Impairment; 4.4.3 Cortical Auditory Evoked Potential Measures; 4.4.4 Effects of Cognitive Training; 4.5 Detailing the Role of Age-Related Hearing Impairment; 4.5.1 The Role of Peripheral Hearing
Includes bibliographical references and index.
London, United Kingdom : Academic Press, [2019]