Auditory Physiology Lab

Journal Articles

Withnell, R.H., Hazlewood, C., Knowlton, A. (2008) Reconciling the origin of the TEOAE in humans. Journal of the Acoustical Society of America 123: 212-221.

Withnell, R.H. and Lodde, J. (2006) In search of basal distortion product generators. Journal of the Acoustical Society of America 120: 2116-2123.
Shofner, W.P. and Whitmer, W.M. (2006) Pitch cue learning in chinchillas: The role of spectral region in the training stimulus. Journal of the Acoustical Society of America 120: 1706-1712.
Shofner, W.P., Whitmer, W.M. and Yost, W.A. (2005) Listening experience with iterated rippled noise alters the perception of 'pitch' strength of complex sounds in the chinchilla. Journal of the Acoustical Society of America 118: 3187-3197.
Withnell, R.H. and McKinley, S. (2005) Delay-dependence for the origin of the nonlinear derived transient evoked otoacoustic emission. Journal of the Acoustical Society of America, 117:281-291.
Yost, W.A., Mapes-Riordan, D., Shofner, W., Dye, R., and Sheft, S. (2005) Pitch strength of regular-interval click trains with different length "runs" of regular intervals. Journal of the Acoustical Society of America 117: 3054-3068.
Yost, W.A., Mapes-Riordan, D., Dye, R., Sheft, S., and Shofner, W. (2005) Discrimination of first- and second-order regular intervals from random intervals as a function of highpass filter cutoff frequency. Journal of the Acoustical Society of America 117: 59-62.

Withnell, R.H., Dhar, S., and Thompsen, A. (2005) A comparison of OAEs arising from different generation mechanisms in guinea pig. Hearing Research, 207:76-86.

Shofner, W.P., Sparks, K., Wu, Y.E., and Pham, E. (2005) Similarity of spectral resolvability in chinchillas and human listeners based on phase discrimination. Acoustic Research Letters Online 6: 35-40.

Goodman, S.S., Withnell, R.H., De Boer, E., Lilly, D.J. and Nuttall, A. L. (2004) Cochlear delays measured with amplitude-modulated tone-burst evoked OAEs. Hearing Research, 188: 57-69.

Goodman, S.S., Withnell, R.H. and Shera, C.A. (2003) The origin of SFOAE microstructure in the guinea pig. Hearing Research, 183: 7-17.

Withnell, R.H., Shaffer, L.A., and Talmadge, C.L. (2003) Generation of DPOAEs in the guinea pig. Hearing Research, 178: 106-117.

Shaffer, L.A., Withnell, R.H., Dhar, S., Lilly, D.J., Goodman, S.S. and Harmon, K.M. (2003) Sources and mechanisms of DPOAE generation: Implications for the prediction of auditory sensitivity. Ear and Hearing, 24: 367-379.

Shofner, W.P. (2002) Perception of the periodicity strength of complex sounds by the chinchilla. Hearing Research, 173: 69-81.

Shofner, W.P. and Selas, G. (2002) Pitch strength and Stevens' Power Law. Perception & Psychophysics, 64: 437-450.

Withnell, R.H., Shaffer, L.A. and Lilly, D.J. (2002) What drives mechanical amplification in the mammalian cochlea? Ear and Hearing, 23:49-57.

Withnell, R.H. (2001) Brief report: the cochlear microphonic as an indication of outer hair cell function Ear and Hearing, 22: 75-77.

Withnell, R.H., Yates, G.K. and Kirk, D.L. (2000) Changes to low-frequency components of the TEOAE following acoustic trauma to the base of the cochlea. Hearing Research, 139: 1-12.

Shofner, W.P. (2000) Comparison of frequency discrimination thresholds for complex and single tones in chinchillas. Hearing Research, 149: 106-114.

Yates, G.K. and Withnell, R.H. (1999) Reply to "Comment on 'Enhancement of the transient-evoked otoacoustic emission produced by the addition of a pure tone in teh guinea pig;" [J. Acoust. Soc. Am. 105, 919-921 (1999)]. Journal of the Acoustical Society of America, 105(2):922-924.

Yates, G.K. and Withnell, R.H. (1999) The role of intermodulation distortion in transient-evoked otoacoustic emissions Hearing Research 136:49-64.

Shofner, W.P. (1999) Responses of cochlear nucleus units in the chinchilla to iterated rippled noises: Analysis of neural autocorrelograms. Journal of Neurophysiology 81: 2662-2674.

Riggs, L.C., Shofner, W.P., Shah, A.R., Young, M.R., Hain, T.C., and Matz, G.J. (1999) Ototoxicity resulting from combined administration of metronidazole and gentamicin. American Journal of Otology 20: 430-434.

Withnell, R.H. and Yates, G.K. (1998) Onset of the basilar membrane non-linearity reflected in cubic distortion tone input-output functions. Hearing Research 123:87-96.

Withnell, R.H. and Yates, G.K. (1998) Enhancement of the transient-evoked otoacoustic emission produced by the addition of a pure tone in the guinea pig. Journal of the Acoustical Society of America, 104(1):350-355.

Withnell, R.H., Kirk, D.L. and Yates, G.K. (1998) Otoacoustic emissions measured with a physically open recording system. Journal of the Acoustical Society of America, 104(1):344-349.

Shofner, W.P. and Yost, W.A. (1997) Discrimination of rippled-spectrum noise from flat-spectrum noise by chinchillas: Evidence for a spectral dominance region. Hearing Research 110: 15-24.

Shofner, W.P., Sheft, S. and Guzman, S. (1996) Responses of ventral cochlear nucleus units in the chinchilla to amplitude modulation by low frequency, two-tone complexes. Journal of the Acoustical Society of America 99: 3592-3605.

Withnell, R.H., Wilde, R. and Cryer, A. (1996) Incorporating otoacoustic emissions in the differential diagnosis of auditory dysfunction. Australian Journal of Audiology189:49-53.

Lo, B., Murch, A., Chabros, V. and Withnell, R.H. (1996) De novo terminal deletion of chromosome 7 [46,XX,del(7)(q35). Journal of Paediatrics and Child Health 32: 347-349.

Shofner, W.P. and Yost, W.A. (1995) Discrimination of rippled-spectrum noise from flat_spectrum wideband noise by chinchillas. Auditory Neuroscience 1:127-138.

Withnell, R.H. and Wilde, R. (1995) Elevated bone conduction thresholds in infants with Down syndrome. Australian Journal of Audiology 17:131-136.

Shofner, W.P. and Sheft, S. (1994) Detection of bandlimited noise masked by wideband noise in the chinchilla. Hearing Research 77: 231-235.

Shofner, W.P., Yost, W.A., and Sheft, S. (1993) Increment detection of bandlimited noises in the chinchilla. Hearing Research 66: 67-80.

Niemiec, A.J., Yost, W.A., and Shofner, W.P. (1992) Behavioral measures of frequency selectivity in the chinchilla. Journal of the Acoustical Society of America 92: 2636-2649.

Shofner, W.P. (1991) Temporal representation of rippled noise in the anteroventral cochlear nucleus of the chinchilla. Journal of the Acoustical Society of America 90: 2450-2466.

Shofner, W.P. and Dye, R.H., Jr. (1989) Statistical and receiver operating characteristic analysis of empirical spike count distributions: Quantifying the ability of cochlear nucleus units to signal intensity changes. Journal of the Acoustical Society of America 86: 2172-2184.

Young, E.D., Robert, J-M, and Shofner, W.P. (1988) Regularity and latency of units in the ventral cochlear nucleus: Implications for unit classification and generation of response properties. Journal of Neurophysiology 60: 1-29.

Shofner, W.P. and Young, E.D. (1987) Inhibitory connections between AVCN and DCN: Evidence from lidocaine injections in AVCN. Hearing Research 29: 45-53.

Shofner, W.P. and Sachs, M.B. (1986) Representation of a low frequency tone in the discharge rate of populations of auditory nerve fibers. Hearing Research 21: 91-96.

Shofner, W.P. and Young, E.D. (1985) Excitatory/inhibitory response types in the cochlear nucleus: Relationships to discharge patterns and responses to electrical stimulation of the auditory nerve. Journal of Neurophysiology 54: 917-939.

Shofner, W.P. and Feng, A.S. (1984) Quantitative light and scanning electron microscopic study of the developing auditory organs of the bullfrog: Implications on their functional characteristics. Journal of Comparative Neurology 224: 141-154.

Shofner, W.P. and Feng, A.S. (1983) A quantitative light microscopic study of the bullfrog amphibian papilla tectorium: Correlation with the tonotopic organization. Hearing Research 11: 103-116.

Feng, A.S. and Shofner, W.P. (1981) Peripheral basis of sound localization in anurans. Acoustic properties of the frog's ear. Hearing Research 5: 201-216.

Shofner, W.P. and Feng, A.S. (1981) Post-metamorphic development of the frequency selectivities and sensitivities of the peripheral auditory system of the bullfrog, Rana catesbeiana. Journal of Experimental Biology 93: 181-196.

Book Chapters, Review Articles, & Published Proceedings

Withnell, R.H. (2006) "Measuring cochlear delays using otoacoustic emissions", Auditory Mechanisms: Processes and Models. World Scientific, Singapore, pp. 322-331.

Shofner, W.P. (2005) Comparative aspects of pitch perception. In Pitch Perception (Springer Handbook of Auditory Research, volume 24), (eds.) C.J. Plack, A.J. Oxenham, R.R. Fay, and A.N. Popper, pp. 56-98.

          Withnell, R.H., Dhar, S., Talmadge, C.L., Shaffer, L.A., De Boer, E., Roberts,
        R., & McPherson, D. (2003) “Temporal characteristics of otoacoustic
          emissions”, Biophysics of the Cochlea: From Molecule to Model. World
          Scientific, Singapore, pp. 472-479.

Yost, W.A. and Shofner (2002) Auditory imaging. In Genetics and the Function of the Auditory System. (ed.) L. Tranebjaerg, J. Christensen-Dalsgaard, T. Andersen, and T. Poulsen. Holmens Trykkeri, Denmark, pp. 353-373.

Yost, W.A. and Shofner, W.P. (1995) Psychoacoustics of frequency and intensity processing in the chinchilla. In Fechner Day 95: Proceedings of the 11th Annual Meeting of the International Society for Psychophysics. (ed.) C.-A. Possama•. Minuteman Press, Canada, pp. 85-90.

Shofner, W.P. and Yost, W.A. (1995) Repetition pitch: Auditory processing of rippled noise in the chinchilla. In Advances in Hearing Research. (ed.) G.A. Manley, G.M. Klump, C. Koppl, H. Fastl, and H. Oeckinghaus. World Scientific Publishers, Singapore, pp. 477-487.

Shofner, W.P. (1988) Postmetamorphic changes in the auditory system. In The Evolution of the Amphibian Auditory System. (ed.) B. Fritzsch, T. Hetherington, M. Ryan, W. Walkoviak and W. Wilczynski. John Wiley & Sons: New York. pp. 377-392.

Young, E.D., Shofner, W.P., White, J.A., Robert, J.-M., and Voigt, H.F. (1988) Response properties of cochlear nucleus neurons in relationship to physiological mechanisms. In Auditory Function: Neurobiological Bases of Hearing. (ed.) G.M. Edelman, W.E. Gall and W.M. Cowan., John Wiley & Sons: New York. pp. 277-312.

Sachs, M.B., Young, E.D., Winslow, R.L. and Shofner, W.P. (1986) Some aspects of rate coding in the auditory nerve. In Auditory Frequency Selectivity. (ed.) B.C.J. Moore and R.D. Patterson. Plenum Press:New York. pp.121-128.

Feng, A.S. and Shofner, W.P. (1986) Development of the anuran auditory system. In Neural and Behavioral Development vol. 2, (ed.) R.N. Aslin. Ablex Publishing Corp.:Norwood, NJ. pp. 39-72.