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Tactile Fixations: A Behavioral Marker on How People with Visual Impairments Explore Raised-line Graphics

Abstract : Raised-line graphics are tactile documents made for people with visual impairments (VI). Their exploration relies on a complex two-handed behavior. To better understand the cognitive processes underlying this exploration, we proposed a new method based on “tactile fixations”. A tactile fixation occurs when a finger is stationary within a specific spatial and temporal window. It is known that stationary fingers play an active role when exploring tactile graphics, but they have never been defined or studied before. In this study, we first defined the concept of tactile fixation, then we conducted a behavioral study with ten participants with VI in order to assess the role of tactile fixations under different conditions. The results show that tactile fixations vary according to different factors such as the graphic type as well as the involved hand and the aim of the exploration.
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Preprints, Working Papers, ...
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https://hal.archives-ouvertes.fr/hal-03136004
Contributor : Kaixing Zhao <>
Submitted on : Tuesday, February 9, 2021 - 1:49:11 PM
Last modification on : Wednesday, June 9, 2021 - 10:00:35 AM
Long-term archiving on: : Monday, May 10, 2021 - 6:44:42 PM

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  • HAL Id : hal-03136004, version 1

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Kaixing Zhao, Sandra Bardot, Marcos Serrano, Mathieu Simonnet, Bernard Oriola, et al.. Tactile Fixations: A Behavioral Marker on How People with Visual Impairments Explore Raised-line Graphics. 2021. ⟨hal-03136004⟩

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