期刊
IEEE TRANSACTIONS ON HAPTICS
卷 8, 期 3, 页码 258-278出版社
IEEE COMPUTER SOC
DOI: 10.1109/TOH.2015.2471300
关键词
Blindness; visually impaired; haptic displays for the visually impaired; assistive technology for the visually impaired
资金
- US National Science Foundation [1218310]
- Japan Society for the Promotion of Science [25871059]
- Grants-in-Aid for Scientific Research [25871059] Funding Source: KAKEN
- Div Of Information & Intelligent Systems
- Direct For Computer & Info Scie & Enginr [1218310] Funding Source: National Science Foundation
This paper considers issues relevant for the design and use of haptic technology for assistive devices for individuals who are blind or visually impaired in some of the major areas of importance: Braille reading, tactile graphics, orientation and mobility. We show that there is a wealth of behavioral research that is highly applicable to assistive technology design. In a few cases, conclusions from behavioral experiments have been directly applied to design with positive results. Differences in brain organization and performance capabilities between individuals who are early blind and late blind from using the same tactile/haptic accommodations, such as the use of Braille, suggest the importance of training and assessing these groups individually. Practical restrictions on device design, such as performance limitations of the technology and cost, raise questions as to which aspects of these restrictions are truly important to overcome to achieve high performance. In general, this raises the question of what it means to provide functional equivalence as opposed to sensory equivalence.
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