Effects of hand orientation and delay on the verbal judgment of haptically perceived orientation.
Identifieur interne : 000779 ( Ncbi/Checkpoint ); précédent : 000778; suivant : 000780Effects of hand orientation and delay on the verbal judgment of haptically perceived orientation.
Auteurs : Sander Zuidhoek [Pays-Bas] ; Astrid M L. Kappers ; Albert PostmaSource :
- Perception [ 0301-0066 ] ; 2005.
English descriptors
- KwdEn :
- MESH :
- physiology : Hand, Orientation, Psychomotor Performance, Reaction Time, Spatial Behavior, Stereognosis.
- Adult, Analysis of Variance, Female, Humans, Judgment, Male, Psychophysics, Space Perception, Speech, Time Factors.
Abstract
We examined the haptic perception of orientations of a single bar throughout the horizontal plane using a verbal response: participants were to assign a number of minutes to the orientation of a bar defined with respect to the stimulus table. Performance was found to be systematically biased. Deviations were consistent with, yet much smaller than, those resulting from haptic motor matching tasks. The size and direction of the deviations were found to correlate with hand orientation, and not to depend on spatial location per se, suggesting a role for hand-centred reference frames in biasing performance. Delaying the response by 10 s led to a small improvement only of right-hand perceptions, indicating different hemispheric involvement in processes involved in retaining and/or recoding of haptic orientation information. Also the haptic oblique effect was found with the current verbal response. Importantly, it was affected neither by hand orientation nor by delay, suggesting that the oblique effect is independent of the aforementioned deviations in orientation perception.
PubMed: 16042194
Affiliations:
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Kappers</name></author><author><name sortKey="Postma, Albert" sort="Postma, Albert" uniqKey="Postma A" first="Albert" last="Postma">Albert Postma</name></author></analytic><series><title level="j">Perception</title><idno type="ISSN">0301-0066</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Analysis of Variance</term><term>Female</term><term>Hand (physiology)</term><term>Humans</term><term>Judgment</term><term>Male</term><term>Orientation (physiology)</term><term>Psychomotor Performance (physiology)</term><term>Psychophysics</term><term>Reaction Time (physiology)</term><term>Space Perception</term><term>Spatial Behavior (physiology)</term><term>Speech</term><term>Stereognosis (physiology)</term><term>Time Factors</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Hand</term><term>Orientation</term><term>Psychomotor Performance</term><term>Reaction Time</term><term>Spatial Behavior</term><term>Stereognosis</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Analysis of Variance</term><term>Female</term><term>Humans</term><term>Judgment</term><term>Male</term><term>Psychophysics</term><term>Space Perception</term><term>Speech</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We examined the haptic perception of orientations of a single bar throughout the horizontal plane using a verbal response: participants were to assign a number of minutes to the orientation of a bar defined with respect to the stimulus table. Performance was found to be systematically biased. Deviations were consistent with, yet much smaller than, those resulting from haptic motor matching tasks. The size and direction of the deviations were found to correlate with hand orientation, and not to depend on spatial location per se, suggesting a role for hand-centred reference frames in biasing performance. Delaying the response by 10 s led to a small improvement only of right-hand perceptions, indicating different hemispheric involvement in processes involved in retaining and/or recoding of haptic orientation information. Also the haptic oblique effect was found with the current verbal response. Importantly, it was affected neither by hand orientation nor by delay, suggesting that the oblique effect is independent of the aforementioned deviations in orientation perception.</div></front></TEI><affiliations><list><country><li>Pays-Bas</li></country><region><li>Utrecht (province)</li></region><settlement><li>Utrecht</li></settlement><orgName><li>Université d'Utrecht</li></orgName></list><tree><noCountry><name sortKey="Kappers, Astrid M L" sort="Kappers, Astrid M L" uniqKey="Kappers A" first="Astrid M L" last="Kappers">Astrid M L. Kappers</name><name sortKey="Postma, Albert" sort="Postma, Albert" uniqKey="Postma A" first="Albert" last="Postma">Albert Postma</name></noCountry><country name="Pays-Bas"><region name="Utrecht (province)"><name sortKey="Zuidhoek, Sander" sort="Zuidhoek, Sander" uniqKey="Zuidhoek S" first="Sander" last="Zuidhoek">Sander Zuidhoek</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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