Euclidean metric representations of haptically explored triangles
Identifieur interne : 001357 ( PascalFrancis/Corpus ); précédent : 001356; suivant : 001358Euclidean metric representations of haptically explored triangles
Auteurs : Margaret Lanca ; David J. BryantSource :
- The American journal of psychology [ 0002-9556 ] ; 2001.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
This study explored whether people create Euclidean representations of 2-dimensional right triangles from touch and use them to make spatial inferences in accord with Euclidean distance axioms. Blindfolded participants who were instructed to form visual images of triangles felt the vertical and horizontal sides of right triangles, then estimated the lengths (but not the angles) of the 3 triangle sides. In these 3 experiments, length estimates conformed closely to the Euclidean metric when evaluated on application of the Pythagorean theorem. Participants who used a visual imaging strategy were accurate more often than those who used visual imagery less often. In Experiments 2 and 3, a hypotenuse inference was as accurate as a direct haptic judgement of the hypotenuse. These results demonstrated similar accuracy of the hypotenuse judgments when participants made verbal rather than haptic estimates. The findings indicate that participants can form Euclidean representations under certain conditions from felt 2-dimensional right triangles based on visual images.
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Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 01-0444305 INIST |
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ET : | Euclidean metric representations of haptically explored triangles |
AU : | LANCA (Margaret); BRYANT (David J.) |
AF : | Northeastern University/Etats-Unis (1 aut., 2 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | The American journal of psychology; ISSN 0002-9556; Coden AJPCAA; Etats-Unis; Da. 2001; Vol. 114; No. 3; Pp. 377-409; Bibl. 1 p.1/2 |
LA : | Anglais |
EA : | This study explored whether people create Euclidean representations of 2-dimensional right triangles from touch and use them to make spatial inferences in accord with Euclidean distance axioms. Blindfolded participants who were instructed to form visual images of triangles felt the vertical and horizontal sides of right triangles, then estimated the lengths (but not the angles) of the 3 triangle sides. In these 3 experiments, length estimates conformed closely to the Euclidean metric when evaluated on application of the Pythagorean theorem. Participants who used a visual imaging strategy were accurate more often than those who used visual imagery less often. In Experiments 2 and 3, a hypotenuse inference was as accurate as a direct haptic judgement of the hypotenuse. These results demonstrated similar accuracy of the hypotenuse judgments when participants made verbal rather than haptic estimates. The findings indicate that participants can form Euclidean representations under certain conditions from felt 2-dimensional right triangles based on visual images. |
CC : | 002A26E05 |
FD : | Etude expérimentale; Représentation spatiale; Sensibilité tactile; Espace euclidien; Imagerie visuelle; Perception espace; Cognition; Homme |
ED : | Experimental study; Spatial representation; Tactile sensitivity; Euclidean space; Visual imagery; Space perception; Cognition; Human |
SD : | Estudio experimental; Representación espacial; Sensibilidad tactil; Espacio euclidiano; Imaginería visual; Percepción espacio; Cognición; Hombre |
LO : | INIST-2011.354000099737600030 |
ID : | 01-0444305 |
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Pascal:01-0444305Le document en format XML
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<front><div type="abstract" xml:lang="en">This study explored whether people create Euclidean representations of 2-dimensional right triangles from touch and use them to make spatial inferences in accord with Euclidean distance axioms. Blindfolded participants who were instructed to form visual images of triangles felt the vertical and horizontal sides of right triangles, then estimated the lengths (but not the angles) of the 3 triangle sides. In these 3 experiments, length estimates conformed closely to the Euclidean metric when evaluated on application of the Pythagorean theorem. Participants who used a visual imaging strategy were accurate more often than those who used visual imagery less often. In Experiments 2 and 3, a hypotenuse inference was as accurate as a direct haptic judgement of the hypotenuse. These results demonstrated similar accuracy of the hypotenuse judgments when participants made verbal rather than haptic estimates. The findings indicate that participants can form Euclidean representations under certain conditions from felt 2-dimensional right triangles based on visual images.</div>
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<ET>Euclidean metric representations of haptically explored triangles</ET>
<AU>LANCA (Margaret); BRYANT (David J.)</AU>
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<EA>This study explored whether people create Euclidean representations of 2-dimensional right triangles from touch and use them to make spatial inferences in accord with Euclidean distance axioms. Blindfolded participants who were instructed to form visual images of triangles felt the vertical and horizontal sides of right triangles, then estimated the lengths (but not the angles) of the 3 triangle sides. In these 3 experiments, length estimates conformed closely to the Euclidean metric when evaluated on application of the Pythagorean theorem. Participants who used a visual imaging strategy were accurate more often than those who used visual imagery less often. In Experiments 2 and 3, a hypotenuse inference was as accurate as a direct haptic judgement of the hypotenuse. These results demonstrated similar accuracy of the hypotenuse judgments when participants made verbal rather than haptic estimates. The findings indicate that participants can form Euclidean representations under certain conditions from felt 2-dimensional right triangles based on visual images.</EA>
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