Neural Coding Mechanisms Underlying Perceived Roughness of Finely Textured Surfaces

This work was supported by National Institutes of Health Grants NS 18787 and NS 34086. We thank Justin Killebrew, John Lane, and Steve Patterson for their technical support.

Correspondence should be addressed to Dr. Takashi Yoshioka, Zanvyl Krieger Mind/Brain Institute, Johns Hopkins University, 338 Krieger Hall, 3400 North Charles Street, Baltimore, MD 21218. E-mail:takashi{at}jhu.edu.