XXVIII. Prof. S. J. Mason Prof. D. E. Troxel SENSORY AIDS RESEARCH J. K. Dupress W. L. Black J. K. Clemens R. E. W. Donaldson Landsman RESEARCH OBJECTIVES The long-range objective of our work is to contribute to the development of useful technological aids for blind and blind-deaf people. Most of our present work is concerned with studies of the acquisition and processing of visual information for presOur projects include mobility-aid simulation, entation to the nonvisual senses. kinesthetic displays, multimodality sensory and tactile problems, reading-machine communication, and real-time computer-facility development. S. J. Mason This work is supported in part by the National Science Foundation (Grant G-16526), the National Institutes of Health (Grant MH-04737-03), and the National Aeronautics and Space Administration (Grant NsG-496). QPR No. 72 279