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Computer-based visual communication in aphasia.

R D Steele1, M Weinrich, R T Wertz

  • 1Rehabilitation Research and Development Center, Veterans Administration Medical Center, Palo Alto, California 94304.

Neuropsychologia
|January 1, 1989
PubMed
Summary
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This study introduces the Computer-aided Visual Communication (C-VIC) system for individuals with severe aphasia. Results show patients can competently use the C-VIC system, demonstrating learning and retention patterns.

Area of Science:

  • Augmentative and Alternative Communication (AAC)
  • Neurorehabilitation
  • Speech-Language Pathology

Background:

  • Aphasia significantly impairs communication abilities.
  • Traditional communication aids have limitations for severely impaired individuals.
  • Computer-aided systems offer potential for enhanced communication.

Purpose of the Study:

  • To describe the newly developed Computer-aided Visual Communication (C-VIC) system.
  • To evaluate the C-VIC system's efficacy with chronic, severely impaired aphasic individuals.
  • To explore patient learning, generalization, and retention patterns with the C-VIC system.

Main Methods:

  • Single-subject experimental designs were employed.
  • Five individuals with chronic, severe aphasia participated.

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  • The C-VIC system's use was probed through these designs.

    • Main Results:

    • Patient competence with the computer-based C-VIC system was demonstrated.
    • Results replicated findings from a non-computerized system.
    • Learning, generalization, and retention patterns were clarified.
    • Areas of patient performance difficulties were identified.

    Conclusions:

    • The C-VIC system is a viable tool for severely aphasic individuals.
    • The system shows promise for extending communication utility.
    • Further research and development are indicated for optimizing application.