Literature Reviews

Reviewed research papers, articles, and publications relevant to digital accessibility.

• QC Speller: User Interface Design of a Hands-Free Touch-Free Speller with Brain Electroencephalogram Sensory Rhythm

  Tulika Nama, Debasis Samanta (2025) — ACM Transactions on Accessible Computing

  This paper presents QC Speller, a novel brain-computer interface (BCI) text entry system designed for people with severe motor impairments who cannot use traditional keyboards, mice, or touchscreens. The system uses electroencephalography (EEG) to de…

  • brain-computer interface
  • motor imagery
  • EEG
  • text entry
  • motor impairment
  • speller
  • assistive technology
  • cerebral palsy