Sumitrajit (Sumit) Dhar

Department of Communication Sciences and Disorders

Sumit Dhar studies the sounds created within the inner ear, then examines their behavior under a variety of conditions. By understanding the physiology involved, it is hoped that better diagnostic tests may be able to be designed to test for hearing loss.

Lab Affiliation

Auditory Reseach Laboratory

Education

PhD	Hearing Science (minor area Neuroscience), Purdue University
MS	Audiology, Utah State University
BSc	Audiology, University of Bombay

Recent Publications

L.M. Ferro, G. Tanner, S.F. Erler, K. Erickson, S. Dhar (2007). Comparison of Universal Newborn Hearing Screening Programs in Illinois Hospitals, International Journal of Pediatric Otorhinolaryngology, 217-230.

S. Nordrum, S. Erler, D. Garstecki, S. Dhar (2006). Comparison of performance on the hearing in noise test using directional microphones and digital noise reduction algorithms, American Journal of Audiology, 81-91.

L.A. Shaffer, S. Dhar (2006). DPOAE component estimates and their relationship to hearing thresholds, Journal of the American Academy of Audiology, 279-92.

S. Dhar, G.R. Long, C.L. Talmadge, A. Tubis (2005). The effect of stimulus-frequency ratio on distortion product otoacoustic emission components, Journal of the Acoustic Society of America, 3766-3776.

Grants and Funding

2007 – 2012	Reformulating hearing assessment: Translating new discoveries through a large-scale study in the audiology clinic, $3.2M
2004 – 2007	Evaluation of DPOAE components in time and frequency domains, NIH/NIDCD, $216,000

Courses

CSD 423	Evaluation of the peripheral hearing mechanism
CSD 411	Evaluation and use of amplification devices