Attentional Control of Cochlear Micromechanics: The Role of the Medial Olivocochlear Efferent System The role of top-down processing is a topic of considerable research interest in disciplines as diverse as cognitive psychology and neurophysiology. Scientists have considered the role of selective attention in hearing for decades, but the ability to explore this topic from both physiological and psychophysical perspectives is a recent phenomenon. ... Article
Article  |   August 01, 2008
Attentional Control of Cochlear Micromechanics: The Role of the Medial Olivocochlear Efferent System
Author Affiliations & Notes
  • Janice R. Tanedo
    School of Audiology and Speech-Language Pathology, The University of Memphis
  • Shaum P. Bhagat
    School of Audiology and Speech-Language Pathology, The University of Memphis
Article Information
Hearing & Speech Perception / Hearing Disorders / Professional Issues & Training / Attention, Memory & Executive Functions / Articles
Article   |   August 01, 2008
Attentional Control of Cochlear Micromechanics: The Role of the Medial Olivocochlear Efferent System
SIG 6 Perspectives on Hearing and Hearing Disorders: Research and Diagnostics, August 2008, Vol. 12, 17-21. doi:10.1044/hhd12.1.17
SIG 6 Perspectives on Hearing and Hearing Disorders: Research and Diagnostics, August 2008, Vol. 12, 17-21. doi:10.1044/hhd12.1.17
Abstract

The role of top-down processing is a topic of considerable research interest in disciplines as diverse as cognitive psychology and neurophysiology. Scientists have considered the role of selective attention in hearing for decades, but the ability to explore this topic from both physiological and psychophysical perspectives is a recent phenomenon. Measurement of otoacoustic emissions provides a means to noninvasively examine the function of outer hair cells and the olivocochlear bundle during both passive listening tasks and focused attention tasks. This paradigm provides a novel methodology in exploring corticofugal mechanisms that can potentially impact auditory perception. In this paper, the current state of knowledge concerning the effects of attention on measurements of otoacoustic emissions will be reviewed, and future directions for research will be discussed.

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