Strategies that assist user
with memory, attention,
How can digital
interfaces be best
designed for people with
Who does this affect?
• Developmentally Disabled
• 800,000 children and adults in the United States are living with one or more
of the symptoms of cerebral palsy.
• Cognitive impairment is present in two thirds of patients with cerebral palsy.
• The number of people age 65 and older is expected to grow from 39 million
in 2008 to 72 million in 2030, and the number of people with AD doubles
for every 5-year interval beyond age 65.
• Those with Traumatic Brain Injuries
• Veterans, Automobile Crash Survivors, etc
1. National Institute of Neurological Disorders and Stroke, www.ninds.nih.gov
2.American Family Physician, January 2006, www.aafp.org
3. National Institute on Aging, www.nia.nih.gov
“Cognitive Orthosis for Assisting aCtivities in the Home”
Prompting device for guiding user through hand washing.
Uses video tracking of the hands to determine which
steps of the task have been completed. Provides audio
prompts to keep the user on track.
A lab-based replication of a real kitchen where careful
design has hidden the additional technology, and allows
both the evaluation of pervasive computing prototypes
and the simultaneous capture of the multiple
synchronized streams of sensor data.
A suite of touch screen personal computer stations and
PDAs that provide support for: Time Indication,
Remotely configurable reminders, Music, Radio, Picture
Dialing, Activity Assistance, House Alerts for safety, &
Mobile Navigation for going home.
systems are good at
organization, not great
• Cognition, memory, and impairment
• Screen-based software accessibility
• Evaluative methods in precedents
• Research prototypes that look into how
screens, objects, and memory interact.
• User Scenarios aimed at solving specific
problems (e.g. - washing hands, preparing
food, taking medication).