Haptic space processing--allocentric and egocentric reference frames.
Identifieur interne : 000C72 ( Ncbi/Checkpoint ); précédent : 000C71; suivant : 000C73Haptic space processing--allocentric and egocentric reference frames.
Auteurs : Astrid M. Kappers [Pays-Bas]Source :
- Canadian journal of experimental psychology = Revue canadienne de psychologie expérimentale [ 1196-1961 ] ; 2007.
English descriptors
- KwdEn :
- MESH :
Abstract
In this paper a haptic matching, task is used to analyze haptic spatial processing. In various conditions, blindfolded participants were asked to make a test bar parallel to a reference bar. This always resulted in large but systematic deviations. It will be shown that the results can be described with a model in which an egocentric reference frame biases the participants' settings: What a participant haptically perceives as parallel is a weighted average of parallel in allocentric space and parallel in egocentric space. The basis of the egocentric reference frame is uncertain. There is strong evidence that at least a hand-centred reference frame is involved, but possibly a body-centred reference frame also plays a role.
PubMed: 17974315
Affiliations:
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pubmed:17974315Le document en format XML
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