A study of display method of tactile guide maps-Influence of tactile-symbol size on discriminability and dot distance on perception of dot-pattern texture for tactile guide maps-
Year: 2006
Type: article
Abstract: Recently in Japan, with the enactment of the Transport Accessibility Improvement Law, many Braille signs and tactile guide maps have been installed at various public facilities. However, because many printing companies insufficiently knowledgeable about Braille signs and tactile guide maps have entered this field, many unsatisfactory products have appeared. It has been pointed out that tactile-symbols among different printing companies are unequal in shape and size. It is hoped that several basic studies of tactile-symbols and texture for tactile guide maps will be conducted to discover optimal standards. The Japanese Standards Association is now actively conducting projects that are expected to derive standardized methods for displaying tactile guide maps. In this study, we conducted two basic experiments. The first experiment investigated discriminable tactile-symbol size for three normal tactile symbols (circle, triangle and square). We found the minimum easily discriminable tactile-symbol sizes for each symbol. The second experiment examined useful dot-pattern texture for tactile guide maps. It was found that perception of dot-pattern texture correlates directly with the dot distance. Our findings may be helpful in efforts to derive a standardized method of displaying tactile guide maps.
Institution: Waseda University
Language: English
Subfield: Cognitive Neuroscience
Field: Neuroscience
Domain: Life Sciences
Open Access status: diamond
OpenAlex ID: W2518773075