Andrew Sears
UMBC
Mark Young
Maryland Rehabilitation Center
Introduction
Defining Impairment
Physical Impairments and Computing
Health-Condition-Induced Impairments
Amyotrophic Lateral Sclerosis (ALS)
Arthritis
Brain Injury
Cerebral Palsy
Missing Limbs or Digits (Amelia or Amputation)
Multiple Sclerosis
Muscular Dystrophy
Parkinson's Disease
Repetitive Stress Injury
Stroke
Spinal Cord Injury
Tremors
Summary
Situationally-Induced Impairments and Disabilities
HCI Research and PI
Spinal Cord Injuries
Cerebral Palsy
Impairments of the Hands and Arms
Impairments in Infants
Significant Speech and Physical Impairments (SSPI)
Input Using Electrophysiological Data
Cursor-Control Technologies
Text Entry Technologies
Conclusions
PI Does Not Imply Disability
PIs Affect Cognitive, Perceptual, and Motor Activities
Basic Actions Can Be Difficult
Standardized Descriptions of Health Conditions and PIs
Future Directions
Acknowledgements
References
Figure 25.1: Model illustrating the relationship between health conditions, disabilities, impairments, handicaps, and contextual factors.