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Christopher Shera, Ph.D.
Professor of Otology & Laryngology, Harvard Medical School

The Auditory Physics Group works to solve fundamental problems in the mechanics and physiology of the peripheral auditory system. Through a combination of physiological measurements and theoretical modeling, we aim to understand the active, nonlinear signal processing performed by the inner ear while developing the power and precision of noninvasive probes of hearing function. Current interests of the group include cochlear nonlinearity and amplification, middle-ear mechanics and otoacoustic emissions.

Selected Publications

1. Shera CA, Tubis A, Talmadge CL. Testing coherent reflection in chinchilla: Auditory-nerve responses predict stimulus-frequency emissions. J. Acoust. Soc. Am. 2008; 124:381–395.

2. Shera CA. Laser amplification with a twist: Traveling-wave propagation and gain functions from throughout the cochlea. J. Acoust. Soc. Am. 2007; 122:2738–2758.

3. Shera CA. Mammalian spontaneous otoacoustic emissions are amplitude-stabilized cochlear standing waves. J. Acoust. Soc. Am. 2003; 114:244–262.

4. Shera CA, Guinan JJ, Oxenham AJ. Revised estimates of human cochlear tuning from otoacoustic and behavioral measurements. Proc. Natl. Acad. Sci. (USA) 2002; 99: 3318–3323.