Sign in

Forgot password?

Confirm
Collection
For $0.02 per day, unlimited downloads CREATE YOUR MEMBERSHIP free download
home > search > journal

Effects of using multiple hands and fingers on haptic performance in individuals who are blind

Author:
Morash, Valerie S   Connell Pensky, Allison E   Tseng, Steven T W   Miele, Joshua A  
Keywords:
haptic   blind   tactile   perception   tactile maps   tactile exploration  
Journal:
Perception
Issue Date:
2014
Abstract(summary):
In a previous paper we documented that sighted participants complete haptic tasks faster with two hands and multiple fingers, but that these benefits are task specific. The present study investigates whether these effects are the same for participants who are blind. We compared the performance of fourteen blind participants on seven tactile-map tasks using seven finger conditions. As with sighted participants, blind participants performed all tasks faster with multiple fingers. Line-tracing tasks were faster with fingers added to an already in-use hand, and sometimes when added to the second hand. Local and global search tasks were faster with multiple fingers and two hands. Distance comparison tasks were performed faster with multiple fingers, but not two hands. Lastly, moving in a straight line was faster with multiple fingers. These results reinforce our previous finding that the haptic system performs best when it can exploit the independence of multiple fingers. Furthermore, in every instance that an effect was different between sighted and blind participants, the blind participants benefitted more from two hands or multiple fingers than the sighted participants. This indicates that the blind participants have learned, through experience or training, how to best take advantage of multiple fingers during haptic tasks.
   download CONVERT WORD
弹框-单篇付费

This function is a member function, members do not limit the number of downloads

Submit Feedback