Universal Design and Assistive Technology. Providing access and assistance to people with special needs. Part 4 Presentation. 20 minutes each (including questions) Load slides onto swiki Motivation Requirements learning from users Design learning from prototyping possible demo
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Providing access and assistance to people with special needs.
*2000 US Census Brief
e.g. visual and aural senses: a text processor may speak the words as well as echoing them to the screen
e.g. a computer-based teaching system:may use video, animation, text and still images: different media all using the visual mode of interaction; may also use sounds, both speech and non-speech: two more media, now using a different mode
The 5 senses (sight, sound, touch, taste and smell) are used by us every day
Computers rarely offer such a rich interaction
Can we use all the available senses?
We can use • sight • sound • touch (sometimes)
We cannot (yet) use • taste • smell
Sheila the programmer. She was diagnosed with muscular dystrophy in her early 20\'s. This condition, which results in progressive loss of muscular strength, means that she works from her motorized wheelchair, and is unable to sit upright for more than a brief time. As a result, she works in a reclined position, leaning back almost horizontally. Her vision problems limit the amount of time she can focus on the screen, and her muscular weakness prevents her from handling paper manuals.
Carla the secretary. She has no vision in one eye and "tunnel vision" in the other and prepares documents using a standard PC and screen magnification software. Sometimes she is unable to tell the difference between old and new email messages, because her mail application uses color to distinguish old from new. Like many users with low vision, she has problems working with columns, because it is difficult for her to see if text is aligned.
‘Now is the time,’
… a system that captures signals directly from the human brain, providing a channel to control computers and other devices.
The GSU BrainLab Mission
is to pioneer real-world applications research for biometric technologies to improve the quality of life for people with severe disabilities, and to explore mainstream applications.
Invasive: implanted electrodes (single neuron)
Noninvasive: scalp electrodes (EEG)