Providing the information clinicians need to know in order to provide effective alternative computer access solutions to individuals with disabilities, this book presents technology for individuals with physical, cognitive, and sensory impairments, and for older adults. The text covers text entry devices, pointing devices, switch access, automatic speech recognition, and web accessibility. The book draws on research from the fields of rehabilitation engineering, occupational therapy, and human-computer interaction (HCI) and emphasizes fundamental concepts and principles that remain true regardless of which specific operating system or product is being used.