OperaV1, Main, Exploration, bibRecord, 000769

Robot-assisted intermanual transfer of handwriting skills.

Identifieur interne : 000769 ( Main/Exploration ); précédent : 000768; suivant : 000770

Robot-assisted intermanual transfer of handwriting skills.

Auteurs : Angelo Basteris [Italie] ; Lino Bracco ; Vittorio Sanguineti

Source :

Human movement science ; 2012.

RBID : pubmed:22663772

English descriptors

KwdEn :
- Equipment Design, Female, Functional Laterality, Handwriting, Humans, Kinesthesis, Male, Motor Skills, Orientation, Practice (Psychology), Reaction Time, Retention (Psychology), Robotics, Touch, Transfer (Psychology), User-Computer Interface, Young Adult.
MESH :
- Equipment Design, Female, Functional Laterality, Handwriting, Humans, Kinesthesis, Male, Motor Skills, Orientation, Practice (Psychology), Reaction Time, Retention (Psychology), Robotics, Touch, Transfer (Psychology), User-Computer Interface, Young Adult.

Abstract

We examined whether intermanual transfer of fine motor skills can be facilitated by training in a virtual environment. We focused on three types of assistance: visual - subjects could see a reference template on a computer screen - and two variants of haptic assistance. Subjects held a planar robot manipulandum and were required to write isolated cursive letters of an approximate size of 5 cm. Therefore, the task was similar to writing on a horizontal blackboard. The robot generated forces that were directed either towards the reference template (path guidance) or towards the reference trajectory (trajectory guidance). The training protocol consisted of three assisted exercise sessions on three consecutive days. Performance on the following day was tested to assess retention. After training, the improvement in trajectory shape was only significant in trajectory guidance and, to a lesser extent, visual guidance. Path guidance exhibited no significant improvement. These effects were substantially retained one day after the end of training. Similar effects were observed in shape variability. Furthermore, all training modalities caused a reduction in movement duration, but no significant differences were observed among groups. These results suggest that robot assistance may be beneficial for improving intermanual transfer, but inclusion of temporal information in the guidance strategy is essential for learning to take place.

DOI: 10.1016/j.humov.2011.12.006
PubMed: 22663772

Affiliations:

Italie

Le document en format XML

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<author><name sortKey="Basteris, Angelo" sort="Basteris, Angelo" uniqKey="Basteris A" first="Angelo" last="Basteris">Angelo Basteris</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Informatics, Systems and Telematics, University of Genoa, Via Opera Pia 13, 16145 Genoa, Italy. angelo.basteris@unige.it.</nlm:affiliation>
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<wicri:regionArea>Department of Informatics, Systems and Telematics, University of Genoa, Via Opera Pia 13, 16145 Genoa</wicri:regionArea>
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<author><name sortKey="Bracco, Lino" sort="Bracco, Lino" uniqKey="Bracco L" first="Lino" last="Bracco">Lino Bracco</name>
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<author><name sortKey="Sanguineti, Vittorio" sort="Sanguineti, Vittorio" uniqKey="Sanguineti V" first="Vittorio" last="Sanguineti">Vittorio Sanguineti</name>
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<author><name sortKey="Basteris, Angelo" sort="Basteris, Angelo" uniqKey="Basteris A" first="Angelo" last="Basteris">Angelo Basteris</name>
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<author><name sortKey="Bracco, Lino" sort="Bracco, Lino" uniqKey="Bracco L" first="Lino" last="Bracco">Lino Bracco</name>
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<author><name sortKey="Sanguineti, Vittorio" sort="Sanguineti, Vittorio" uniqKey="Sanguineti V" first="Vittorio" last="Sanguineti">Vittorio Sanguineti</name>
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<series><title level="j">Human movement science</title>
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<term>Kinesthesis</term>
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<term>Practice (Psychology)</term>
<term>Reaction Time</term>
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<term>Functional Laterality</term>
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<term>Kinesthesis</term>
<term>Male</term>
<term>Motor Skills</term>
<term>Orientation</term>
<term>Practice (Psychology)</term>
<term>Reaction Time</term>
<term>Retention (Psychology)</term>
<term>Robotics</term>
<term>Touch</term>
<term>Transfer (Psychology)</term>
<term>User-Computer Interface</term>
<term>Young Adult</term>
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<front><div type="abstract" xml:lang="en">We examined whether intermanual transfer of fine motor skills can be facilitated by training in a virtual environment. We focused on three types of assistance: visual - subjects could see a reference template on a computer screen - and two variants of haptic assistance. Subjects held a planar robot manipulandum and were required to write isolated cursive letters of an approximate size of 5 cm. Therefore, the task was similar to writing on a horizontal blackboard. The robot generated forces that were directed either towards the reference template (path guidance) or towards the reference trajectory (trajectory guidance). The training protocol consisted of three assisted exercise sessions on three consecutive days. Performance on the following day was tested to assess retention. After training, the improvement in trajectory shape was only significant in trajectory guidance and, to a lesser extent, visual guidance. Path guidance exhibited no significant improvement. These effects were substantially retained one day after the end of training. Similar effects were observed in shape variability. Furthermore, all training modalities caused a reduction in movement duration, but no significant differences were observed among groups. These results suggest that robot assistance may be beneficial for improving intermanual transfer, but inclusion of temporal information in the guidance strategy is essential for learning to take place.</div>
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<country name="Italie"><noRegion><name sortKey="Basteris, Angelo" sort="Basteris, Angelo" uniqKey="Basteris A" first="Angelo" last="Basteris">Angelo Basteris</name>
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Robot-assisted intermanual transfer of handwriting skills.

Robot-assisted intermanual transfer of handwriting skills.

Source :

English descriptors

Abstract

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Le document en format XML

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