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The potential for developing a tactile communication system based on Blissymbolics.

Mick D Isaacson1, Lyle L Lloyd

  • 1Department of Educational Studies, Purdue University , West Lafayette, IN , USA.

Developmental Neurorehabilitation
|October 18, 2014
PubMed
Summary
This summary is machine-generated.

Raised-line Blissymbols are highly discriminable tactile stimuli. This suggests their potential for developing effective tactile communication systems for users needing non-visual information exchange.

Keywords:
Augmentative and alternative communicationhapticstactile language systemtactile symbolsthermal expansion paper

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Area of Science:

  • Assistive Technology
  • Human-Computer Interaction
  • Sensory Substitution

Background:

  • Effective tactile communication requires distinct stimuli.
  • Blissymbols are a pictographic system used in augmentative and alternative communication.
  • Raised-line renderings offer a potential pathway for tactile symbol representation.

Purpose of the Study:

  • To evaluate the tactile discriminability of raised-line Blissymbols.
  • To assess the feasibility of developing a tactile communication system using these symbols.

Main Methods:

  • Participants performed a tactile identification task.
  • Subjects distinguished target raised-line Blissymbols from foil symbols.
  • Performance was measured by accuracy rates.

Main Results:

  • The majority of raised-line Blissymbols achieved tactile discrimination accuracy above 90%.
  • High discriminability indicates clear tactile differentiation between symbols.

Conclusions:

  • Most raised-line Blissymbols are sufficiently distinct for tactile perception.
  • These findings support the potential development of Blissymbols into a tactile communication system.