Binaural Processing and Auditory Asymmetries

Part of the Springer Handbook of Auditory Research book series (SHAR, volume 34)


Many aspects of peripheral and central auditory processing peak by adolescence (Maxon and Hochberg 1982; Hall et al. 2004, 2005) and a growing body of evidence indicates a substantial decline in audition in presenescent adults (Gates et al. 1990; Lee et al. 2005; Grose et al. 2006) that continues to deteriorate with advancing age (for reviews, see Schneider 1997; Divenyi and Simon 1999; Chisholm et al. 2003). The functional significance of this decline is often gauged in terms of the accurate perception of speech in complex acoustic backgrounds (e.g., Committee on Hearing, Bioacoustics, and Biomechanics [CHABA] 1988; van Rooij and Plomp 1990; Humes et al. 1994; Pichora-Fuller 1997; Divenyi et al. 2005), which, in turn, relies on both monaural and binaural auditory processing. Declines with age in monaural and binaural auditory processing are often compounded by concomitant peripheral hearing loss, resulting in reduced audiometric sensitivity, reduced frequency selectivity, and increased linearity of coding of intensity.


Hearing Loss Sound Source Speech Perception Sensorineural Hearing Loss Sound Localization 


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Authors and Affiliations

  1. 1.Department of OtolaryngologyUniversity of RochesterRochesterUSA
  2. 2.Department of OtolaryngologyUniversity of North Carolina, Chapel HillChapel HillUSA

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