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. 2016 Jan 1;3(1):47-58.
doi: 10.1080/2326263x.2015.1138056. Epub 2016 Feb 3.

SOLICITING BCI USER EXPERIENCE FEEDBACK FROM PEOPLE WITH SEVERE SPEECH AND PHYSICAL IMPAIRMENTS

Betts Peters  1 , Aimee Mooney  1 , Barry Oken  2 , Melanie Fried-Oken  3
Affiliations

SOLICITING BCI USER EXPERIENCE FEEDBACK FROM PEOPLE WITH SEVERE SPEECH AND PHYSICAL IMPAIRMENTS

Betts Peters et al. Brain Comput Interfaces (Abingdon). .

Abstract

Brain-computer interface (BCI) researchers have shown increasing interest in soliciting user experience (UX) feedback, but the severe speech and physical impairments (SSPI) of potential users create barriers to effective implementation with existing feedback instruments. This article describes augmentative and alternative communication (AAC)-based techniques for obtaining feedback from this population, and presents results from administration of a modified questionnaire to 12 individuals with SSPI after trials with a BCI spelling system. The proposed techniques facilitated successful questionnaire completion and provision of narrative feedback for all participants. Questionnaire administration required less than five minutes and minimal effort from participants. Results indicated that individual users may have very different reactions to the same system, and that ratings of workload and comfort provide important information not available through objective performance measures. People with SSPI are critical stakeholders in the future development of BCI, and appropriate adaptation of feedback questionnaires and administration techniques allows them to participate in shaping this assistive technology.

Keywords: Assistive Technology; Augmentative and Alternative Communication; Brain-Computer Interfaces; Communication Aids for Disabled; Patient Outcome Assessment; Quadriplegia; User Feedback.

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Figures

Figure 1
Figure 1
Sample visual analogue.
Figure 2
Figure 2
Recommendations for soliciting UX feedback from individuals with SSPI.
See this image and copyright information in PMC

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