A review of emerging access technologies for individuals with severe motor impairments.

Research and development in the field of access technologies for individuals with severe motor impairments has accelerated over the past 10 years. Many emergent alternatives to conventional mechanical switches, such as infrared sensing, electromyography, oculography, and computer vision, have been i...

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Published in:Assistive Technology Vol. 20; no. 4; pp. 204 - 222
Main Authors: Tai K, Blain S, Chau T
Format: CEU exam questions research systematic review tables/charts Journal Article
Published: Taylor & Francis Ltd Winter2008
Online Access:View this record in EBSCOhost
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      pub: Taylor & Francis Ltd
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        atl: A review of emerging access technologies for individuals with severe motor impairments.
      aug:
        au:
          Tai K
          Blain S
          Chau T
        affil: Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
      sug:
        subj:
          Assistive Technology Devices
          Persons with Disabilities Psychosocial Factors
          Motor Neuron Diseases Rehabilitation
          User-Computer Interface
          Assistive Technology Trends
          CINAHL Database
          Education, Continuing (Credit)
          Electroencephalography
          Electromyography
          Embase
          Funding Source
          Medline
          Motor Neuron Diseases Physiopathology
          PubMed
          Human
      ab: Research and development in the field of access technologies for individuals with severe motor impairments has accelerated over the past 10 years. Many emergent alternatives to conventional mechanical switches, such as infrared sensing, electromyography, oculography, and computer vision, have been investigated for those retaining some limited volitional motor ability. At the same time, electroencephalography, electrocorticography, intracortical recordings, and electrodermal activity have been explored for those presenting as locked in. The relevant literature is scattered across many disciplines, obfuscating the strength of the clinical evidence in support of the different access technologies currently in development. This article systematically organizes the literature on the aforementioned access technologies, summarizing their underlying operational mechanisms while reviewing the clinical evidence reported between 1996 and 2006. Research evidence within this period is generally found to be at the case study or uncontrolled study level, with very modest sample sizes. Novel mechanical switches and electroencephalography-based access systems dominate the literature, whereas many other movement-based access modalities have emerged with promising early findings. Access methods for those without extant physical movement constitute a critical direction for future and ongoing research efforts.
      pubtype: Academic Journal
      doctype:
        CEU
        exam questions
        research
        systematic review
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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