A low-cost, variable-amplitude haptic distributed display for persons who are blind and visually impaired. - Patrick C. Headley; Dianne T. V. Pawluk (ASSETS, 2010)

A multimodal, computer-based drawing system for persons who are blind and visually impaired. - Patrick C. Headley; Dianne T. V. Pawluk (ASSETS, 2010)

Displaying braille and graphics on a mouse-like tactile display. - Patrick C. Headley; Victoria E. Hribar; Dianne T. V. Pawluk (ASSETS, 2011)

Roughness perception of textures on a haptic matrix display. - Patrick C. Headley; Dianne T. V. Pawluk (World Haptics, 2011)