Brent Spehar, PhD

Lecturer in Audiology and Communication Sciences


Aural Rehabilitation



Degree Program

Additional Titles

  • Research Scientist, Department of Otolaryngology

Related Links

Mailing Address


  • BS (Speech Pathology and Audiology): Southern Illinois University – Edwardsville (1997)
  • MSSH (Audiology): Washington University in St. Louis (1999)
  • PhD (Speech and Hearing Sciences): Washington University in St. Louis (2005)

Board Certifications

  • ASHA Certificate of Clinical Competence in Audiology (CCC-A)

Research Interests

Hearing and psychoacoustics, aging and speech perception, audiovisual integration, working memory and processing speed across the lifespan


Geers, A.E., Spehar, .B.P., & Sedey, A.L. (2002) Use of speech by children from total communication programs who wear cochlear implants. American Journal of Speech-Language Pathology, 11, 46-58.

Sarli C.C., Uchanski R.M., Heidbreder A., Readmond K., Spehar B.P. (2003) 19th-century camouflaged mechanical hearing devices. Otology & Neurotology. 24(4):691-8, Jul.

Spehar, B., Tye-Murray, N. and Sommers, M. (2004). Time-compressed visual speech and age: A first report. Ear and Hearing, 25, 565-572. PMID: 15604917

Sommers, M.S., Spehar, B., and Tye-Murray, N. (2005). The effects of signal-to-noise ratio on auditory-visual integration: Integration and encoding are not independent. Journal of the Acoustical Society of America, 117, 2574. PMCID: 18529201

Sommers, M., Tye-Murray, N., and Spehar, B. (2005). Auditory-visual speech perception and auditory-visual enhancement in normal-hearing younger and older adults. Ear and Hearing, 26, 263-275. PMID: 15937408

Tye-Murray, N., Sommers, M., and Spehar, B. (2007). The effects of age and gender on lipreading abilities Journal of the American Academy of Audiology, 18, 883-892. PMID: 18496997

Tye-Murray, N., Sommers, M., & Spehar, B. (2007). Audiovisual integration and lipreading abilities of older adults with normal and impaired hearing. Ear and Hearing, 28, 656-668. PMID: 17804980

Tye-Murray, N., Sommers, M., and Spehar, B. (2007). Auditory and visual lexical neighborhoods in audiovisual speech perception. Trends in Amplification, 11, 233-242. PMID: 18003867

Tye-Murray, N., Sommers, M., Spehar, B., Myerson, J., Hale, S., & Rose, N. (2008). Auditory-visual discourse comprehension by older and young adults in favorable and unfavorable conditions. International Journal of Audiology, 47 (S2), S31-S37. PMID: 19012110

Spehar, B., Tye-Murray, N., & Sommers, M. (2008). Intra- versus intermodal integration in young and older adults. Journal of the Acoustical Society of America, 123, 2855-2866. PMCID: PMC2811549