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Initial constructs for patient-centered outcome measures to evaluate brain-computer interfaces.

Elena M Andresen1,2, Melanie Fried-Oken1,3, Betts Peters1

  • 1a Institute on Development & Disability, Oregon Health & Science University , Portland , OR , USA .

Disability and Rehabilitation. Assistive Technology
|March 26, 2015
PubMed
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This summary is machine-generated.

Researchers are developing patient-centered outcome measures for brain-computer interfaces (BCI) to aid individuals with severe speech and physical impairments (SSPI). This work ensures BCI assistive technology aligns with user needs and values.

Area of Science:

  • Rehabilitation research
  • Assistive technology development
  • Patient-centered outcomes

Background:

  • Brain-computer interfaces (BCI) offer potential as assistive technologies (AT) for individuals with severe speech and physical impairments (SSPI).
  • Existing outcome measures may not fully capture the experiences and values of individuals with SSPI using AT.
  • Developing patient-centered outcome (PCO) measures is crucial for evaluating BCI effectiveness in this population.

Purpose of the Study:

  • To conduct preliminary work on creating patient-centered outcome (PCO) measures for evaluating brain-computer interface (BCI) as an assistive technology (AT).
  • To assess the suitability of existing measures and identify key constructs for PCOs relevant to individuals with SSPI.

Main Methods:

  • Phase 1 involved mapping 591 items from 15 existing measures to the International Classification of Functioning, Disability and Health (ICF).
Keywords:
Augmentative and alternative communicationcommunication disordersquality of lifesevere speech and physical impairments

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  • Phase 2 included qualitative interviews with eight individuals with SSPI and seven caregivers, followed by iterative coding and analysis of text data.

    • Main Results:

    • Most existing items mapped to the ICF environmental domain (79%), with over half (53%) mapping to multiple domains.
    • The ICF framework effectively mapped body function/structure items but was less suitable for personal factors.
    • Qualitative data yielded two primary constructs: quality of life (QOL) and AT, with identified component domains and themes.

    Conclusions:

    • Preliminary constructs, domains, and themes were generated for future BCI-relevant PCO measures.
    • Existing instruments require adaptation to align with the values of individuals with SSPI and their caregivers.
    • Adapted interview methods facilitate the inclusion of individuals with SSPI in PCO research, highlighting the need for tailored outcome measures.