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Hire Dr. Robert W.

Australia

USD 100 /hr

Scientific, technical and medical writing, data analysis

Profile Summary

Biophysicist with over 20 years academic experience. 30+ publications. Journal Associate Editor 7+ years. Expert in Matlab, signal generation and data acquisition.

Subject Matter Expertise

• ★ Biophysics
• ☆ Electrophysiology
• ☆ Data Analysis
• ☆ Mathematical Models
• ☆ Acoustic Engineering

Services

• Writing
• Research
• Consulting
• Data & AI

Writing Technical Writing

Research Market Research

Consulting Scientific and Technical Consulting

Data & AI Statistical Analysis, Data Processing, Data Insights

Work Experience

Associate Professor

Indiana University Bloomington

August 2000 - Present

Education

Ph.D. (Physiology)

University of Western Australia

May 1996 - May 1999

M.Sc. (Speech and Hearing)

Curtin University

February 1992 - May 1995

B.Sc. (Physics)

University of Western Australia

February 1981 - April 1984

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

Mackenzie L. Mills, Yi Shen, Robert H. Withnell(2021). Examining the Factors that Contribute to Non-Monotonic Growth of the $$2f_1 - f_2$$ Otoacoustic Emission in Humans . Journal of the Association for Research in Otolaryngology. Springer Science and Business Media {LLC}

Taylor N Fields, Lucia Schnetzer, Eileen Brister, Charles W Yates, Robert H Withnell(2018). An assessment of a conical horn waveguide to represent the human eardrum . Journal of Physics D: Applied Physics. {IOP} Publishing

Kevin K. Ohlemiller, Tejbeer Kaur, Mark E. Warchol, Robert H. Withnell(2018). The endocochlear potential as an indicator of reticular lamina integrity after noise exposure in mice . Hearing Research. 361. p. 138--151. Elsevier {BV}

Margarete A. Ueberfuhr, Hannah Fehlberg, Shawn S. Goodman, Robert H. Withnell(2016). A DPOAE assessment of outer hair cell integrity in ears with age-related hearing loss . Hearing Research. 332. p. 137--150. Elsevier {BV}

Robert H. Withnell, Margarete A. Ueberfuhr(2014). Is age-related hearing loss predominantly metabolic? . The Journal of the Acoustical Society of America. 136. (4). p. 2306--2306. Acoustical Society of America ({ASA})

Withnell, R.H., Jeng, P.S., Parent, P., Levitt, H.(2014). The clinical utility of expressing hearing thresholds in terms of the forward-going sound pressure wave . International Journal of Audiology. 53. (8). p. 522-530.

Withnell, R.H., Gowdy, L.E.(2013). An analysis of the acoustic input impedance of the ear . JARO - Journal of the Association for Research in Otolaryngology. 14. (5). p. 611-622.

Withnell, R.H., Parent, P., Jeng, P.S., Allen, J.B.(2009). Using wideband reflectance to measure the impedance of the middle ear . Hearing Journal. 62. (10). p. 36-39.

Withnell, R.H., Jeng, P.S., Waldvogel, K., Morgenstein, K., Allen, J.B.(2009). An in situ calibration for hearing thresholds . Journal of the Acoustical Society of America. 125. (3). p. 1605-1611.

Withnell, R.H., Hazlewood, C., Knowlton, A.(2008). Reconciling the origin of the transient evoked ototacoustic emission in humans . Journal of the Acoustical Society of America. 123. (1). p. 212-221.

Withnell, R.H., Lodde, J.(2006). In search of basal distortion product generators . Journal of the Acoustical Society of America. 120. (4). p. 2116-2123.

Withnell, R.H., McKinley, S.(2005). Delay dependence for the origin of the nonlinear derived transient evoked otoacoustic emission . Journal of the Acoustical Society of America. 117. (1). p. 281-291.

Withnell, R.H., Dhar, S., Thomsen, A.(2005). A comparison of OAEs arising from different generation mechanisms in guinea pig . Hearing Research. 207. (1-2). p. 76-86.

Goodman, S.S., Withnell, R.H., De Boer, E., Lilly, D.J., Nuttall, A.L.(2004). Cochlear delays measured with amplitude-modulated tone-burst-evoked OAEs . Hearing Research. 188. (1-2). p. 57-69.

Shaffer, L.A., Withnell, R.H., Dhar, S., Lilly, D.J., Goodman, S.S., Harmon, K.M.(2003). Sources and mechanisms of DPOAE generation: Implications for the prediction of auditory sensitivity . Ear and Hearing. 24. (5). p. 367-379.

Goodman, S.S., Withnell, R.H., Shera, C.A.(2003). The origin of SFOAE microstructure in the guinea pig . Hearing Research. 183. (1-2). p. 7-17.

Withnell, R.H., Shaffer, L.A., Talmadge, C.L.(2003). Generation of DPOAEs in the guinea pig . Hearing Research. 178. (1-2). p. 106-117.

Withnell, R.H., Shaffer, L.A., Lilly, D.J.(2002). What drives mechanical amplification in the mammalian cochlea? . Ear and Hearing. 23. (1). p. 49-57.

Withnell, R.H.(2001). Brief report: The cochlear microphonic as an indication of outer hair cell function . Ear and Hearing. 22. (1). p. 75-77.

Withnell, R.H., Yates, G.K., Kirk, D.L.(2000). Changes to low-frequency components of the TEOAE following acoustic trauma to the base of the cochlea . Hearing Research. 139. (1-2). p. 1-12.

Yates, G.K., Withnell, R.H.(1999). The role of intermodulation distortion in transient-evoked otoacoustic emissions . Hearing Research. 136. (1-2). p. 49-64.

Ren, T., Nuttall, A.L., Yates, G.K., Withnell, R.H.(1999). Comment on 'Enhancement of the transient-evoked otoacoustic emission produced by the addition of a pure tone in the guinea pig' [J. Acoust. Soc. Am. 104, 344-349 (1998)] . Journal of the Acoustical Society of America. 105. (2 I). p. 919-924.

Withnell, R.H., 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). p. 344-349.

Withnell, R.H., Kirk, D.L., Yates, G.K.(1998). Otoacoustic emissions measured with a physically open recording system . Journal of the Acoustical Society of America. 104. (1). p. 350-355.

Withnell, R.H., Yates, G.K.(1998). Onset of basilar membrane non-linearity reflected in cubic distortion tone input-output functions . Hearing Research. 123. (1-2). p. 87-96.

Withnell, R., Wilde, R., Cryer, A.(1996). Case study: Incorporating otoacoustic emission evaluation in the differential diagnosis of auditory dysfunction . Australian Journal of Audiology. 18. (1). p. 49-53.

Lo, B.H., Murch, A., Chabros, V., Withnell, R.(1996). De novo terminal deletion of chromosome 7 [46,XX,del(7)(q35)] . Journal of Paediatrics and Child Health. 32. (4). p. 347-349.

Withnell, R., Wilde, R.A.(1995). Elevated ABR bone conduction thresholds in infants with Down syndrome - Evidence for latency jitter? . Australian Journal of Audiology. 17. (2). p. 131-136.

CONFERENCE PAPER

(2018). Quantifying cochlear amplifier gain using a model-based evaluation of DPOAE I/O functions in mammals . Mechanics of Hearing.

Robert H. Withnell, Taylor N. Fields(2015). Zwislocki’s model of the middle ear re-visited . {AIP} Publishing {LLC}

Gowdy, L.E., Withnell, R.H.(2011). Modeling ear-canal acoustics, incorporating visco-thermal effects and the influence of the middle ear . AIP Conference Proceedings. 1403. p. 545-550.

Withnell, R., Jeng, P.S., Shofner, W., Allen, J.(2010). In-situ calibrated sound signals and hearing sensitivity . Proceedings of Meetings on Acoustics. 9.

(2006). Measuring cochlear delays using otoacoustic emissions . Auditory Mechanisms: Processes and Models - The Ninth International Symposium.

(2003). Temporal characteristics of otoacoustic emissions . BIOPHYSICS OF THE COCHLEA From Molecules to Models.