TITLE:
Assistive Navigation Device for Visually Impaired—A Study on Reaction Time to Tactile Modality Stimuli
AUTHORS:
Jing Yu, Knut Moeller
KEYWORDS:
Tactile Display; Reaction Time; Skin Receptor; Assistive Technology; Vibration Belt
JOURNAL NAME:
Engineering,
Vol.5 No.10B,
October
31,
2013
ABSTRACT: A tactile system to support severe visually-impaired or
blind people in the world for their orientation and navigation had been
developed. To optimize the design, some parameters of tactile display device were evaluated. In the present paper,we focused on the reaction
time to tactile stimuli. In the test, the stimuli were produced through a
vibration belt that was worn around the participants’ waist. In the choice
reaction time task, the participants had to click corresponding arrow keys
according to the location of a tactile signal. The findings of this study
provided a reference of the reaction time range, so as to design a more
effective and safe tactile navigation system.