Brenda Morgan Ryals, Ph.D.

Consultant in Audiology, Veterans Affairs Medical Center, Richmond, Va. 1994 to present

Education:

Current Teaching Assignments: (1995-96)

Honors - Awards

Research Support

1994-97: Co-Principal Investigator: NIDCD/NIH, "Hair Cell Regeneration: Functional Significance"

1991-95: Principal Investigator: NIDCD/NIH, "Innervation and function of regenerated hair cells"
 

Recent Publications: (last 4 years)

Larsen, O.N., Dooling, R.J., and Ryals, B.M. (1996), Roles of Intracranial air pressure in bird audition, in: Diversity in Auditory Mechanics (E.R. Lewis, ed.) Bechntel Engineering Center, University of California Berkeley, pp. 253-259

Ryals, B.M., Page Ten: Hair cell regeneration: Is it just for the birds? The Hearing Journal 48(7):10, 76-83, 1995

Ryals, B.M. and R.J. Dooling, Changes in innervation and auditory sensitivity following acoustic trauma and hair cell regeneration in birds, in Auditory Plasticity and Regeneration, Salvi R.J, Henderson,D, Fiorino, F. and Colletti,V. (eds.), Theime Medical Publishers, pp. 84-100, 1996

Dooling, R.J. and B.M. Ryals, Effects of Acoustic Overstimulation on Four Species of Birds, in Advances in Hearing Research: Proceedings of the 10th International Symposium on Hearing, Manley, G.A., Klump, G.M., Koppl,C.Fastl, H. and Oekinghaus, H. eds., World Scientific Publishers, Singapore, 1995

Ryals, B.M., M.D. Stalford, P.R. Lambert and E.W. Westbrook, Recovery of noise-induced changes in the dark cells of the quail tegmentum vasculosum, Hear. Res. 83: 51-61, 1995

Ryals, B.M., E.W. Westbrook, TEM analysis of neural terminals on autoradiographically identified regenerated hair cells, Hear. Res. 72:81-88, 1994
 

Recent Presentations: (last 2 years)

Ryals, B.M., Gleich, O., Westbrook, E.W., Presson, J.C., Dooling, R.J., Maturation of newly generated hair cells and pathologies beyond the hair cell level in the basilar papilla of BWS, Assoc. for Research in Otol. abs. 20:717, 1997

Dooling, R.J., Ryals, B.M., Gleich, O., The effect of kanamycin on hearing and the inner ear of Belgian Waterslager canaries (Serinus canaria), Assoc. for Research in Otol. abs. 20:718, 1997

Presson, J.C., B.M. Ryals, O. Gleich and R.J. Dooling, A comparison of hair cell abnormalities in the cochleas of canaries with modest versus high levels of support cell proliferation, Assoc. For Research in Otol. Abs. 19:14, 1996

Ryals, B.M., E.W. Westbrook and R.A. Code, Changes in chick inner ear morphology after columella removal, Assoc. For Research in Otol. Abs. 19:140, 1996

Dooling, R.J. and B.M. Ryals, Effect of masking and hearing loss on vocal production and vocal learning in budgerigars, Assoc. For Research in Otol. Abs. 19:581, 1996

Ryals, B.M., R.J. Dooling and O.N. Larson, Variability in acoustic trauma results from changes in middle ear pressure in birds, Assoc. For Research in Otol. Abs. 19:817, 1996

Ryals, B.M., R.J. Dooling, Hair cell regeneration and the restoration of hearing, Assoc. for Research in Otol. abs. 18:583, 1995

Girod, D.A., B.M. Ryals, C.E. Frankhauser, E.W. Westbrook, Long term structural changes in the chick tectorial membrane following severe acoustic damage, Assoc. for Research in Otol. abs. 18:787, 1995

Ryals, B.M., R. J. Dooling, E.W. Westbrook, The effect of acoustic overstimulation on the ears of four species of birds, Assoc. for Research in Otol. abs. 17:526, 1994

Ryals, B.M., Dooling, R.J., Tobey, E and Osberger, M., Vocalization after hearingrestoration: Clinical and Basic Science Studies, American Speech Language HearingAssociation, annual meeting, December 1995

Ryals, B.M., Dooling R.J., Recovery from deafness: The parakeet's story, 1995 Richard Silverman Lecture in Hearing and Deafness, Central Institute for the Deaf, October, 1995

Ryals, B.M., Species differences in the return of hearing after hair cell regeneration, Hearing and Chemical Senses Seminar Series, Kresge Hearing Research Institute - The University of Michigan, December 1994

Ryals, B.M, E.C. Oesterle, R.J. Salvi and R.C. Bilger, Hair cell regeneration: Possible restoration of hearing, short course presented at the American Speech Language Hearing Association national meetin, New Orleans LA, November 1994

Sheets, W.C. Price, Ryals, B.M., Structural consequences and the regneration of the quail tectorial membrane following severe acoustic trauma, Mechanisms of Sensory Regeneration, international conference, Charlottesville, Va., May 1994

Sheets, W.C. Price, Ryals, B.M., Structural consequences and the regeneration of the quail tectorial membrane following severe acoustic trauma, American Academy of Audiology, April 1994

Ryals, B.M., Sininger, Y. Northern, J., Nozza B., Maxon, A.B., Mahoney T., and Hall, J.W. Universal hearing screening: Universal Agreement?, panel presentation, American Academy of Audiology, April 1994

Ryals, B.M., Hair Cell Regeneration - What does it mean to Human Hearing?, John Black Distinguished Lecture, Ohio State University, 1994
 

Recent International Presentations: (last 2 years)

Dooling, R.J., Ryals, B.M., Gleich, O., Presson, J., The Paradox of the Belgian Waterslager canary: congenital hair cell abnormalities and hearing loss despite post mitotic hair cell replacement. XI International symposium on Hearing, Grantham, United Kingdom, August 1997

Dooling, R.J., Tang, L.W., Ryals, B.M. and Kidd, T.L, Hair cell regeneration, hearing recovery and vocalization in budgerigars, Fourth International Congress of Neuroethology, Cambridge, England, September, 3-8, 1995

Ryals, B.M. and Dooling, R.J. Changes in innervation and auditory sensitivity following acoustic trauma and hair cell regeneration in birds, Auditory Plasticity and Regeneration. symposium sponsored by NIH/NIDCD, SUNY at Buffalo and University of Verona Italy, at Trento, Italy, May 1994
 
 

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