HapticV1, PubMed, Corpus, bibRecord, 000567

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

Identifieur interne : 000567 ( PubMed/Corpus ); précédent : 000566; suivant : 000568

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

Auteurs : Valerie S. Morash ; Allison E Connell Pensky ; Steven T W. Tseng ; Joshua A. Miele

Source :

Perception [ 0301-0066 ] ; 2014.

RBID : pubmed:25154288

English descriptors

KwdEn :
- Adult, Aged, Blindness (psychology), Exploratory Behavior, Female, Functional Laterality, Humans, Male, Middle Aged, Practice (Psychology), Reaction Time, Sensory Deprivation, Stereognosis, Touch, Young Adult.
MESH :
- psychology : Blindness.
- Adult, Aged, Exploratory Behavior, Female, Functional Laterality, Humans, Male, Middle Aged, Practice (Psychology), Reaction Time, Sensory Deprivation, Stereognosis, Touch, Young Adult.

Abstract

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.

PubMed: 25154288

Links to Exploration step

pubmed:25154288

Le document en format XML

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<author><name sortKey="Pensky, Allison E Connell" sort="Pensky, Allison E Connell" uniqKey="Pensky A" first="Allison E Connell" last="Pensky">Allison E Connell Pensky</name>
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<author><name sortKey="Tseng, Steven T W" sort="Tseng, Steven T W" uniqKey="Tseng S" first="Steven T W" last="Tseng">Steven T W. Tseng</name>
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<author><name sortKey="Miele, Joshua A" sort="Miele, Joshua A" uniqKey="Miele J" first="Joshua A" last="Miele">Joshua A. Miele</name>
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<term>Middle Aged</term>
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<front><div type="abstract" xml:lang="en">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.</div>
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<Abstract><AbstractText>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.</AbstractText>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D011930">Reaction Time</DescriptorName>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D012683">Sensory Deprivation</DescriptorName>
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Effects of using multiple hands and fingers on haptic performance in individuals who are blind.

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

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki