RICHARD D. RABBITT
Richard Rabbitt
email: r.rabbitt@utah.edu		 Professor and Chairman of Bioengineering

Rabbitt Lab Home Page
Rabbitt Faculty profile
Brain and Behavior
Cellular Neuroscience

B.S. 1980, Michigan State University; M.S. 1982, Michigan State University; PhD. 1986, Rensselaer Polytechnic Institute.

RESEARCH:

Micro-electric impedance spectroscopy of auditory and vestibular hair cells. Biomechanics, biophysics and neurophysiology of the inner ear including the cochlea, semicircular canals and otolith organs. Chemoanatomic bases for perepheral vestibular function. Micro-domain voltage clamp using MEMS. The role of prestin in outer hair cell piezoelectricy. MEMS biosensors.

Selected Publications

Rabbitt, R. D., Ayliffe, H. E., Christensen, D., Pamarthy, K., Durney, C., Clifford, S., and Brownell, W. (2005) Evidence of piezoelectric resonance in isolated outer hair cells. Biophys J, Mar;88(3):2257-2265.

Smeal, R. M., Rabbitt, R., Biran, R., and Tresco, P. (2005) Substrate curvature influences the direction of nerve outgrowth. Ann Biomed Eng, Mar;33(3):376-382.

Highstein, S. M., Rabbitt, R. D., Holstein, G. R., and Boyle, R. (2005) Determinants of spatial and temporal coding by semicircular canal afferents. J Neurophysiol May;93(5):2359-2370.

Rabbitt, R. D., Boyle, R., Holstein, G. R., and Highstein, S. (2005) Hair-cell versus afferent adaptation in the semicircular canals. J Neurophysiol, Jan;93(1):424-436.

Holstein, G. R., Rabbitt, R. D., Martinelli, G. P., Friedrich, V. L. Jr, Boyle, R. D., and Highstein, S. (2004) Convergence of excitatory and inhibitory hair cell transmitters shapes vestibular afferent responses. Proc Natl Acad Sci USA, Nov 2;101(44):15766-15771.

Rajguru S. M., Ifediba, M., and Rabbitt, R. D. (2004) Three-dimensional biomechanical model of benign paroxysmal positional vertigo. Annals Biomedical Engineering, V32(06):831-846.

Holstein, G. R., Martinelli, G. P., Henderson, S. C., Fredirch, V. L., Rabbitt, R. D., and Highstein, S. M. (2004) GABA is present in a spatially-discrete subpopulation of hair cells in the crista ampullaris of the toadfish, Opsanus tau. J. Comp. Neurol., 471(1):1-10.

Farmer-Fedor, B., and Rabbitt, R. D. (2002) Acoustic intensity, impedance and reflection coefficient in the human ear canal. J. Acoust. Soc. Am. 112(2): 1-21.

Yamauchi, A., Rabbitt, R. D., Boyle, R., and Highstein, S. (2001) The relationship between inner-ear fluid pressure and semicircular canal afferent nerve discharge. J. Assoc. Resh. Otolaryngology 03:026-044.

Rabbitt, R. D., Boyle, R., and Highstein, S. M. (1999) The influence of surgical plugging on horizontal semicircular canal mechanics and afferent response dynamics. J. Neurophysiology 82:1033-1052.

Rabbitt, R. D. (1999) Directional coding of three-dimensional movements by the vestibular semicircular canals. Biological Cybernetics 80:417-431.

Ayliffe, H. E., Rabbitt, R. D., and Frazier, A. B. (1998) Electric impedance spectroscopy using microchannels with intergrated metal electrodes. IEEE MEMS V8(1):50-57.

Ghanem, T. A., Rabbitt, R. D., and Tresco, P. A. (1998) Three dimensional reconstruction of the vestibular semicircular canals in the toadfish, Opsanus tau. Hearing Research V124:27-43.

Christensen, G. E., Rabbitt, R. D., and Miller, M. I. (1996) Deformable Templates Using Large Deformation Kinematics. IEEE Transactions on Image Processing 5(10):1435-1437.

Highstein, S. M., Rabbitt, R. D., and Boyle, R. (1996) Determinants of semicircular canal response dynamics in the toadfish, Opsanus tau. J. Neurophysiol. 75(2):575-596.

Rabbitt, R. D., Boyle, R., and Highstein, S. (1995) Mechanical indentation of the vestibular labyrinth and its relationship to head rotation in the toadfish, Opsanus tau. J. Neurophysiology V73(6):1-24.

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