TGB1 600 x 900he Research  projects of the RERC on AAC are designed to advance knowledge and produce innovative engineering solutions under three themes:

  1. Access – Investigation and development of new access techniques (i.e., brain computer interface and multimodal techniques) to achieve more efficient and effective access for individuals with CCN who have severe motor impairments;
  2. Language support technologies (LanguageTech) – Investigation and invention of AAC technologies to support language use and communication for individuals with CCN who have significant language, cognitive, and /or motor limitations (i.e., technologies that support the transition to literacy for preliterate individuals with CCN, technologies that provide smart prediction to enhance the accuracy, efficiency and independence of communication, and technologies that incorporate video-based visual scene displays (VSDs) to provide dynamic visual supports for communication for those with significant language /cognitive limitations); and
  3. Human computer interfaces (HCI) – Investigation of techniques to decrease the cognitive processing demands of AAC human computer interfaces and development of tools to improve the person-technology match to enhance communication performance of individuals with CCN.

Access.R1: Investigating use of a brain-computer interface (BCI) with enhanced language modeling
Team Leaders: Fried-Oken, Peters, Mooney, Gorman, Bedrick, Erdogmus
Consumer Team: Bieker, Simpson
Our goal is to provide clinical data to improve the functionality of a brain-computer interface (BCI) for individuals with CCN who have minimal movement, and to create and test training protocols that will support implementation as this technology appears in the rehabilitation marketplace.

LangTech R2Investigating AAC technologies to support the transition from graphic symbols to literacy
Team Leaders: Light, McNaughton, Jakobs /InvoTek team, Hershberger/ Saltillo
Consumer Team: Miller, Rogers
This study will investigate the effects of dynamically displaying text within graphics-based AAC software to support the transition from AAC graphic symbols to literacy for individuals with CCN who are preliterate.

 HCI.R3: Investigating the visual cognitive processing demands of AAC interfaces
Team Leaders: Light, Wilkinson, Beukelman, Fager, Roman, Jakobs/ Invotek, Hershberger/ Saltillo
Consumer Team: Schultz, Gibson
The goal is to investigate the visual cognitive processing demands of AAC displays to optimize the human computer interface and thereby enhance communication performance.

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