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Psychophysics and Electrical Stimulation

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Cochlear Implants: Auditory Prostheses and Electric Hearing

Part of the book series: Springer Handbook of Auditory Research ((SHAR,volume 20))

Abstract

Psychophysics is the study of sensory perception in response to physical stimuli. In the context of electrical stimulation with a cochlear implant, it is the study of the effect of the electrical stimulation patterns on perceived sound qualities. Perceptual qualities that can be measured with psychophysical techniques range from simple ones such as pitch, timbre, and loudness, to more complex percepts such as the categorical perception of the phonemes that constitute a speech signal. The basic psychophysical abilities that any sensory system must facilitate can be categorized into four types: detection of a stimulus; discrimination of two different stimuli; identification of a stimulus; and the scaling of a stimulus (which involves being able to rank similar stimuli along a particular dimension, for example loudness). In the sense of hearing, all of these psychophysical abilities are important for the accurate perception of the sounds that are significant in our everyday lives. In addition, we must be able to perceptually segregate one sound from another when there is more than one sound source.

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Authors
  1. Colette M. McKay
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Editors and Affiliations

  1. Departments of Otolaryngology, Anatomy and Neurobiology, Biomedical Engineering and Cognitive Sciences, University of California-Irvine, 92697, Irvine, CA, USA

    Fan-Gang Zeng

  2. Department of Biology and Neuroscience and Cogntive Science Program, University of Maryland, 20742-4415, College Park, MD, USA

    Arthur N. Popper

  3. Department of Psychology and Parmly Hearing Institute, Loyola University of Chicago, 60626, Chicago, IL, USA

    Richard R. Fay

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McKay, C.M. (2004). Psychophysics and Electrical Stimulation. In: Zeng, FG., Popper, A.N., Fay, R.R. (eds) Cochlear Implants: Auditory Prostheses and Electric Hearing. Springer Handbook of Auditory Research, vol 20. Springer, New York, NY. https://doi.org/10.1007/978-0-387-22585-2_7

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  • DOI: https://doi.org/10.1007/978-0-387-22585-2_7

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4419-2346-2

  • Online ISBN: 978-0-387-22585-2

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