Binaural hearing
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Bibliographic Information
Binaural hearing
（Springer handbook of auditory research, v. 73）
Springer, c2021
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"ASA Press"
Includes bibliographical references
Description and Table of Contents
Description
The field of Binaural Hearing involves studies of auditory perception, physiology, and modeling, including normal and abnormal aspects of the system. Binaural processes involved in both sound localization and speech unmasking have gained a broader interest and have received growing attention in the published literature. The field has undergone some significant changes. There is now a much richer understanding of the many aspects that comprising binaural processing, its role in development, and in success and limitations of hearing-aid and cochlear-implant users.
The goal of this volume is to provide an up-to-date reference on the developments and novel ideas in the field of binaural hearing. The primary readership for the volume is expected to be academic specialists in the diverse fields that connect with psychoacoustics, neuroscience, engineering, psychology, audiology, and cochlear implants. This volume will serve as an important resource by way of introduction to the field, in particular for graduate students, postdoctoral scholars, the faculty who train them and clinicians.
Table of Contents
- Overview of volume - Ruth Y. Litovsky and Matthew J. Goupell 1) Historical perspective on binaural hearing in humans with a focus on the theory of sound localization with interaural time differences (ITDs) and interaural level differences (ILDs). [AE: RYL] Potential contributor(s): William Hartmann This chapter will provide an historical perspective on studies in the area of binaural psychophysic s, focusing on the approaches uses to measure sensitivity in humans, interpretation of findings in the context of binaural models, and current understanding of the relative importance of the primary binaural cues. Bill Hartmann is a known expert in this field with a deep understanding of the historical significance of both modeling and psychophysical studies. 2) Avian Anatomy & Physiology of the Binaural System [AE: RYL] Potential contributor(s): Catherine Carr, Michael Burger , and Jose Pena This chapter will provide an overview of the historical and theoretical perspectives of binaural a natomy and physiology in avian species, where much of the binaural circuitry and findings using modeling approaches have led the way over a number of decades. The chapter will help to introduce the volume's chapters in a manner that integrates their content. 3) Mammalian physiology in the binaural circuits (up to brainstem) [AE: RYL] e="margin-left:.5in">Potential contributor(s): Philip Joris and Nace Golding This chapter will focus on most recent work in neural circuits that are thought to be responsible for binaural sens itivity. In the mammalian system there have been some critical studies showing that inhibitory circuits play an important role in determining how brainstem neurons mediate sensitivity to ITDs. The biophysics and cellular biology involved in this intricate work has led to the paradigm shifting and rethinking of the models that were proposed early on to account for binaural sensitivity. Philip Joris and Nace Golding have been steadily working on this problem for two decades and their work is at the forefront of the field. n-left:.5in
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- mso-list:l0 level1 lfo1">4) Binaural hearing with complex signals
- Modulations, Temporal Weighting, Temporal Fine Structure vs. Envelope cues [AE: MJG] Potential contributor(s): Christopher Stecker and Andrew Brown This chapter will provide an overview of how slow modulations affect ITD and ILD processing. Slow modulations restore ITD sensitivity at high frequencies, but only for relatively slow rates. This chapter will thus discuss frequency effects, how temporal fine structure and envelope are used at different frequency r egions, and how there is an onset dominance for localization of sounds. The last point is related to the precedence effect. Chris Stecker and Andrew Brown are experts in the area of temporal weighting and the observer weighting paradigm, and will be able to broadly discuss all forms of temporal modulations on binaural processing. gin-left: 0.5in
- "> 5) Binaural hearing and across-channel processing. [AE: MJG] Potential contributor(s): Virginia Best and Steve Colburn ="margin-left:.5in"> This chapter will also highlight frequency effects of binaural processing, but now highlighting how binaural cues combine across channels to form a single auditory location percept. The types of studies that will mostly be highlighted concern those that use different ITDs and ILDs in different channels. The binaural interference paradigm is a common version of this. Another type of study includes stimuli that ha ve slowly varying ITDs across different frequencies (i.e., they show curvature), which motivated the standard model concerning "straightness" and "centrality" of binaural processing. Virginia Best has performed many binaural interference studies
- Steve Colburn helped develop the modeling theories of straightness and centrality. 6) ont-variant-numeric: normal
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- "> Physiology of higher central auditory processing and plasticity in mammals [AE: RYL] Potential contributor(s): Jenny Bizley and a co-author to be selected by Dr. Bizley
- "> This chapter will review and discuss animal models that have been used to investigate binaural hearing using approaches aimed at probing the role of neural plasticity. Studies in this area focus on learning, training, intervention with monaural deprivation and restoration of hearing. The work is paramount to our understanding of how the auditory system functions in conditions where deprivation leads to temporary a nd long-term changes in spatial mapping needed for sound localization and the ability to segregate target stimuli from masking sounds. 7) Auditory scene analysis, attention, cognitive issues [AE: RYL] & nbsp
- Potential contributor(s): Gerald Kidd, Christine Mason, and Barbara Shinn-Cunningham This chapter will review how the auditory system is involved in object formation, what role different brain regions play in order to achieve t he sound source identification in the presence of distracting or unimportant sounds in the environment. Barbara Shinn-Cunningham is a leading expert on object formation and auditory attention. In addition, the chapter will review the "cocktail party problem" in the context of the role that binaural hearing and information masking contribute to the ability of listeners to identify the content of target speech and ignore information present in distracting/interfering sources in the environment. Gerald Kidd and Christine Mason are known experts who have published extensively on this topic. 8) Binaural Masking Level Differences, Binaural Intelligibility Level Differences, and Spatial Release from Masking [AE: MJG] Potential contributor(s): John Culling & Matthew Lavandier This chapter will describe the classic testing paradigm, the binaural masking level difference, which shows how the binaural system's sensitivity to small interaural differences can improve tone thresholds. This paradigm can be expanded to more complex stimuli, like speech in noise. Performance in such tasks has been r elated to listener's ability to achieve spatial release from masking. A formal model relating these topics has been produced and refined by Lavandier and Culling, which explains spatial masking release across a wide variety of environments (like reverberant rooms) and listener populations (including people who use cochlear implants). 9) Spatial hearing in rooms and effects of reverberation [AE: MJG] Potential contributor(s): Pavel Zahorik This chapter will be a broader discussion of the effects of reverberation and spatial hearing in rooms on understanding speech. It will include effects of learning the rooms, time reversing signals, etc. Pavel Zahorik is one of the world's experts in this topic. 10) Computational models of binaural hearing [AE: MJG] Potential contributor(s): Matthias Dietz & Laurel Carney This chapter will provide a broad overview of the modeling approaches that are applied to binaural hearing, from basic signal processing models to biophysical models. Matthia s Dietz and Laurel Carney are both modeling experts, with backgrounds in perception and neurophysiology. class="Normal1" style="margin-left:.5in"> 11) Effects of hearing impairment, aging, clinical ramification [AE: MJG] Potential contributor(s): Erick Gallun, Nirmal Srinivasan This chapter will discuss how hearing impairment and aging degrade binaural hearing abilities, as well as the functional consequences that occur. Included in this will be a discussion of clinical approaches to mediate the problems that occur in clinical populations. Erick Gallun and Nirm al Srinivasan are experts in these are as, with many recent publications. 12) Binaural hearing with devices (Hearing aids and Cochlear Implants, as well as bimodal heari ng, etc.) Potential contributor(s): Todd Ricketts & Alan Kan This chapter will address an important topic related to the ability of people who have hearing loss, and are fitted with bilateral devices, to benefit from binaural hearing. Growing numbers of patients are fitted with two hearing aids, a hearing aid and a cochlear im plant, or two cochlear implants. Todd Ricketts is a known expert in the area of bilateral hearing aid outcomes, and Alan Kan has worked extensively in recent years in the area of bilateral cochlear implants. 13) Multisensory (or mu ltisystem) [AE: RYL] Potential contributor(s): William A. Yost (and co-author) In order to localize sounds in the environment, we need to be able to have a more integrated sense of the environment and to perceive spatial cues in that context. This chapter will address an important topic related to multisystem integration in sound source localization. This topic has been noted in the literature for many years but has received more attention in recent years, and is timely and relevant to most of the topics covered in this book. Bill Yost is an expert on this topic, whose current area of research bridges important areas in the field that focus on multisensory spatial hearing.
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