We thank committee members H. S. Colburn, L. H. Carney, M. C. Liberman, and A. M. Berglund for helpful comments and suggestions. We also thank D. Oertel for comments and P. Patterson for processing some of the tissue.
K. E. Hancock was supported by a fellowship from The Whitaker Foundation. This work was funded by Grant DC-01099 from the National Institute on Deafness and Other Communication Disorders.
Present address of K. E. Hancock: Eaton-Peabody Laboratory, Massachusetts Eye and Ear Infirmary, 243 Charles St., Boston, MA 02114.
Address for reprint requests: H. F. Voigt, Dept. of Biomedical Engineering, Boston University, 44 Cummington St., Boston, MA 02215-2407 (E-mail: [email protected]).
Received 27 April 2001; accepted in final form 20 December 2001.