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Towards a physiological signal-based access solution for a non-verbal adolescent with severe and multiple disabilities.

Objective: To find physiologically arousing stimuli and labile physiological channels in a non-verbal adolescent with severe and multiple congenital disabilities, who did not have a reliable means of communication. Methods: The client was repeatedly presented with visual and audiovisual stimuli, rep...

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Published in:Developmental Neurorehabilitation Vol. 17; no. 4; pp. 270 - 278
Main Authors: Memarian, Negar, Blain-Moraes, Stefanie, Chau, Tom
Format: pictorial research tables/charts tracings Journal Article
Published: Taylor & Francis Ltd Aug2014
Online Access:View this record in EBSCOhost
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      dt: Aug2014
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      pub: Taylor & Francis Ltd
      place: Philadelphia, Pennsylvania
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        atl: Towards a physiological signal-based access solution for a non-verbal adolescent with severe and multiple disabilities.
      aug:
        au:
          Memarian, Negar
          Blain-Moraes, Stefanie
          Chau, Tom
        affil: David Geffen School of Medicine, University of California Los Angeles Los Angeles, CA USA
      sug:
        subj:
          Children with Disabilities
          Nonverbal Communication Methods
          Autonomic Nervous System Physiology
          Sensory Stimulation Methods
          Biophysiological Methods
          Human
          Case Studies
          Adolescence
          Algorithms
          Descriptive Statistics
          Chi Square Test
          Audiovisuals
          Male
          Funding Source
          Adolescent: 13-18 years
          Male
      ab: Objective: To find physiologically arousing stimuli and labile physiological channels in a non-verbal adolescent with severe and multiple congenital disabilities, who did not have a reliable means of communication. Methods: The client was repeatedly presented with visual and audiovisual stimuli, representing variations of six contextual factors over three sessions in a one month period. For each stimulus, reactions were detected in the client's four peripheral autonomic nervous system signals using a rule-based classification algorithm. Results: During the presentation of audiovisual stimuli, the number of physiological reactions significantly differed from that observed in baseline ( χ2 = 3.93, p = 0.0476). Aural stimuli articulated in an unfamiliar voice, and aural stimuli containing anticipatory patterns were also physiologically arousing. Fingertip temperature was the client's most labile physiological signal. Conclusions: The results of this case study suggest that physiological data may complement caregiver acumen in deciphering the reactions of non-verbal clients with severe and multiple disabilities.
      pubtype: Academic Journal
      doctype:
        pictorial
        research
        tables/charts
        tracings
        Journal Article
      ougenre: Article
    language: English
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