HapticV1, PascalFrancis, Corpus, bibRecord, 000590

Attenuating the haptic horizontal-vertical curvature illusion

Identifieur interne : 000590 ( PascalFrancis/Corpus ); précédent : 000589; suivant : 000591

Attenuating the haptic horizontal-vertical curvature illusion

Auteurs : Mortona. Heller ; Anne D. Mcclure Walk ; Rita Schnarr ; Stephanie Kibble ; Brett Litwiller ; Cassie Ambuehl

Source :

Attention, perception & psychophysics [ 1943-3921 ] ; 2010.

RBID : Pascal:10-0408155

Descripteurs français

Pascal (Inist)
- Sensibilité tactile, Courbure, Illusion perceptive, Horizontalité verticalité, Etude expérimentale, Homme.

English descriptors

KwdEn :
- Curvature, Experimental study, Horizontality verticality, Human, Perceptual illusion, Tactile sensitivity.

Abstract

In a number of experiments, blindfolded subjects traced convex curves whose verticals were equal to their horizontal extent at the base. Overestimation of verticals, as compared with horizontals, was found, indicating the presence of a horizontal-vertical illusion with haptic curves, as well as with visible curves. Experiment 1 showed that the illusion occurred with stimuli in the frontal plane and with stimuli that were flat on the table surface in vision and touch. In the second experiment, the stimuli were rotated, and differences between vision and touch were revealed, with a stronger illusion in touch. The haptic horizontal-vertical illusion was virtually eliminated when the stimuli were bimanually touched using free exploration at the body midline, but a strong illusion was obtained when curves were felt with two index fingers or with a single hand at the midline. Bimanual exploration eliminated the illusion for smaller 2.5- through 10.2-cm stimuli, but a weakened illusion remained for the largest 12.7-cm patterns. The illusion was present when the stimuli were bimanually explored in the left and right hemispace. Thus, the benefits of bimanual exploration derived from the use of the two hands at the body midline combined with free exploration, rather than from bimanual free exploration per se. The results indicate the importance of haptic exploration at the body midline, where the body can serve as a familiar reference metric for size judgments. Alternative interpretations of the results are discussed, including the impact of movement-based heuristics as a causal factor for the illusion. It was suggested that tracing the curve's peak served to bisect the curve in haptics, because of the change in direction.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 1943-3921`
A03		`1`		`@0 Atten. percept. psychophys.`
A05				`@2 72`
A06				`@2 6`
A08	`01`	`1`	`ENG`	`@1 Attenuating the haptic horizontal-vertical curvature illusion`
A11	`01`	`1`		`@1 HELLER (MortonA.)`
A11	`02`	`1`		`@1 MCCLURE WALK (Anne D.)`
A11	`03`	`1`		`@1 SCHNARR (Rita)`
A11	`04`	`1`		`@1 KIBBLE (Stephanie)`
A11	`05`	`1`		`@1 LITWILLER (Brett)`
A11	`06`	`1`		`@1 AMBUEHL (Cassie)`
A14	`01`			`@1 Eastern Illinois University @2 Charleston, Illinois @3 USA @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut. @Z 5 aut. @Z 6 aut.`
A20				`@1 1626-1641`
A21				`@1 2010`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 14257 @5 354000181793670170`
A44				`@0 0000 @1 © 2010 INIST-CNRS. All rights reserved.`
A45				`@0 3/4 p.`
A47	`01`	`1`		`@0 10-0408155`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Attention, perception & psychophysics`
A66	`01`			`@0 USA`
C01	`01`		`ENG`	@0 In a number of experiments, blindfolded subjects traced convex curves whose verticals were equal to their horizontal extent at the base. Overestimation of verticals, as compared with horizontals, was found, indicating the presence of a horizontal-vertical illusion with haptic curves, as well as with visible curves. Experiment 1 showed that the illusion occurred with stimuli in the frontal plane and with stimuli that were flat on the table surface in vision and touch. In the second experiment, the stimuli were rotated, and differences between vision and touch were revealed, with a stronger illusion in touch. The haptic horizontal-vertical illusion was virtually eliminated when the stimuli were bimanually touched using free exploration at the body midline, but a strong illusion was obtained when curves were felt with two index fingers or with a single hand at the midline. Bimanual exploration eliminated the illusion for smaller 2.5- through 10.2-cm stimuli, but a weakened illusion remained for the largest 12.7-cm patterns. The illusion was present when the stimuli were bimanually explored in the left and right hemispace. Thus, the benefits of bimanual exploration derived from the use of the two hands at the body midline combined with free exploration, rather than from bimanual free exploration per se. The results indicate the importance of haptic exploration at the body midline, where the body can serve as a familiar reference metric for size judgments. Alternative interpretations of the results are discussed, including the impact of movement-based heuristics as a causal factor for the illusion. It was suggested that tracing the curve's peak served to bisect the curve in haptics, because of the change in direction.
C02	`01`	`X`		`@0 002A26E05`
C03	`01`	`X`	`FRE`	`@0 Sensibilité tactile @5 01`
C03	`01`	`X`	`ENG`	`@0 Tactile sensitivity @5 01`
C03	`01`	`X`	`SPA`	`@0 Sensibilidad tactil @5 01`
C03	`02`	`X`	`FRE`	`@0 Courbure @5 03`
C03	`02`	`X`	`ENG`	`@0 Curvature @5 03`
C03	`02`	`X`	`SPA`	`@0 Curvatura @5 03`
C03	`03`	`X`	`FRE`	`@0 Illusion perceptive @5 04`
C03	`03`	`X`	`ENG`	`@0 Perceptual illusion @5 04`
C03	`03`	`X`	`SPA`	`@0 Ilusión perceptiva @5 04`
C03	`04`	`X`	`FRE`	`@0 Horizontalité verticalité @5 05`
C03	`04`	`X`	`ENG`	`@0 Horizontality verticality @5 05`
C03	`04`	`X`	`SPA`	`@0 Horizontalidad verticalidad @5 05`
C03	`05`	`X`	`FRE`	`@0 Etude expérimentale @5 06`
C03	`05`	`X`	`ENG`	`@0 Experimental study @5 06`
C03	`05`	`X`	`SPA`	`@0 Estudio experimental @5 06`
C03	`06`	`X`	`FRE`	`@0 Homme @5 18`
C03	`06`	`X`	`ENG`	`@0 Human @5 18`
C03	`06`	`X`	`SPA`	`@0 Hombre @5 18`
C07	`01`	`X`	`FRE`	`@0 Perception @5 37`
C07	`01`	`X`	`ENG`	`@0 Perception @5 37`
C07	`01`	`X`	`SPA`	`@0 Percepción @5 37`
C07	`02`	`X`	`FRE`	`@0 Cognition @5 38`
C07	`02`	`X`	`ENG`	`@0 Cognition @5 38`
C07	`02`	`X`	`SPA`	`@0 Cognición @5 38`
N21				`@1 263`

Format Inist (serveur)

NO :	PASCAL 10-0408155 INIST
ET :	Attenuating the haptic horizontal-vertical curvature illusion
AU :	HELLER (MortonA.); MCCLURE WALK (Anne D.); SCHNARR (Rita); KIBBLE (Stephanie); LITWILLER (Brett); AMBUEHL (Cassie)
AF :	Eastern Illinois University/Charleston, Illinois/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut.)
DT :	Publication en série; Niveau analytique
SO :	Attention, perception & psychophysics; ISSN 1943-3921; Etats-Unis; Da. 2010; Vol. 72; No. 6; Pp. 1626-1641; Bibl. 3/4 p.
LA :	Anglais
EA :	In a number of experiments, blindfolded subjects traced convex curves whose verticals were equal to their horizontal extent at the base. Overestimation of verticals, as compared with horizontals, was found, indicating the presence of a horizontal-vertical illusion with haptic curves, as well as with visible curves. Experiment 1 showed that the illusion occurred with stimuli in the frontal plane and with stimuli that were flat on the table surface in vision and touch. In the second experiment, the stimuli were rotated, and differences between vision and touch were revealed, with a stronger illusion in touch. The haptic horizontal-vertical illusion was virtually eliminated when the stimuli were bimanually touched using free exploration at the body midline, but a strong illusion was obtained when curves were felt with two index fingers or with a single hand at the midline. Bimanual exploration eliminated the illusion for smaller 2.5- through 10.2-cm stimuli, but a weakened illusion remained for the largest 12.7-cm patterns. The illusion was present when the stimuli were bimanually explored in the left and right hemispace. Thus, the benefits of bimanual exploration derived from the use of the two hands at the body midline combined with free exploration, rather than from bimanual free exploration per se. The results indicate the importance of haptic exploration at the body midline, where the body can serve as a familiar reference metric for size judgments. Alternative interpretations of the results are discussed, including the impact of movement-based heuristics as a causal factor for the illusion. It was suggested that tracing the curve's peak served to bisect the curve in haptics, because of the change in direction.
CC :	002A26E05
FD :	Sensibilité tactile; Courbure; Illusion perceptive; Horizontalité verticalité; Etude expérimentale; Homme
FG :	Perception; Cognition
ED :	Tactile sensitivity; Curvature; Perceptual illusion; Horizontality verticality; Experimental study; Human
EG :	Perception; Cognition
SD :	Sensibilidad tactil; Curvatura; Ilusión perceptiva; Horizontalidad verticalidad; Estudio experimental; Hombre
LO :	INIST-14257.354000181793670170
ID :	10-0408155

Links to Exploration step

Pascal:10-0408155

Le document en format XML

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<front><div type="abstract" xml:lang="en">In a number of experiments, blindfolded subjects traced convex curves whose verticals were equal to their horizontal extent at the base. Overestimation of verticals, as compared with horizontals, was found, indicating the presence of a horizontal-vertical illusion with haptic curves, as well as with visible curves. Experiment 1 showed that the illusion occurred with stimuli in the frontal plane and with stimuli that were flat on the table surface in vision and touch. In the second experiment, the stimuli were rotated, and differences between vision and touch were revealed, with a stronger illusion in touch. The haptic horizontal-vertical illusion was virtually eliminated when the stimuli were bimanually touched using free exploration at the body midline, but a strong illusion was obtained when curves were felt with two index fingers or with a single hand at the midline. Bimanual exploration eliminated the illusion for smaller 2.5- through 10.2-cm stimuli, but a weakened illusion remained for the largest 12.7-cm patterns. The illusion was present when the stimuli were bimanually explored in the left and right hemispace. Thus, the benefits of bimanual exploration derived from the use of the two hands at the body midline combined with free exploration, rather than from bimanual free exploration per se. The results indicate the importance of haptic exploration at the body midline, where the body can serve as a familiar reference metric for size judgments. Alternative interpretations of the results are discussed, including the impact of movement-based heuristics as a causal factor for the illusion. It was suggested that tracing the curve's peak served to bisect the curve in haptics, because of the change in direction.</div>
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<fC01 i1="01" l="ENG"><s0>In a number of experiments, blindfolded subjects traced convex curves whose verticals were equal to their horizontal extent at the base. Overestimation of verticals, as compared with horizontals, was found, indicating the presence of a horizontal-vertical illusion with haptic curves, as well as with visible curves. Experiment 1 showed that the illusion occurred with stimuli in the frontal plane and with stimuli that were flat on the table surface in vision and touch. In the second experiment, the stimuli were rotated, and differences between vision and touch were revealed, with a stronger illusion in touch. The haptic horizontal-vertical illusion was virtually eliminated when the stimuli were bimanually touched using free exploration at the body midline, but a strong illusion was obtained when curves were felt with two index fingers or with a single hand at the midline. Bimanual exploration eliminated the illusion for smaller 2.5- through 10.2-cm stimuli, but a weakened illusion remained for the largest 12.7-cm patterns. The illusion was present when the stimuli were bimanually explored in the left and right hemispace. Thus, the benefits of bimanual exploration derived from the use of the two hands at the body midline combined with free exploration, rather than from bimanual free exploration per se. The results indicate the importance of haptic exploration at the body midline, where the body can serve as a familiar reference metric for size judgments. Alternative interpretations of the results are discussed, including the impact of movement-based heuristics as a causal factor for the illusion. It was suggested that tracing the curve's peak served to bisect the curve in haptics, because of the change in direction.</s0>
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<s5>04</s5>
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<fC03 i1="04" i2="X" l="FRE"><s0>Horizontalité verticalité</s0>
<s5>05</s5>
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<fC03 i1="04" i2="X" l="ENG"><s0>Horizontality verticality</s0>
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<server><NO>PASCAL 10-0408155 INIST</NO>
<ET>Attenuating the haptic horizontal-vertical curvature illusion</ET>
<AU>HELLER (MortonA.); MCCLURE WALK (Anne D.); SCHNARR (Rita); KIBBLE (Stephanie); LITWILLER (Brett); AMBUEHL (Cassie)</AU>
<AF>Eastern Illinois University/Charleston, Illinois/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Attention, perception & psychophysics; ISSN 1943-3921; Etats-Unis; Da. 2010; Vol. 72; No. 6; Pp. 1626-1641; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>In a number of experiments, blindfolded subjects traced convex curves whose verticals were equal to their horizontal extent at the base. Overestimation of verticals, as compared with horizontals, was found, indicating the presence of a horizontal-vertical illusion with haptic curves, as well as with visible curves. Experiment 1 showed that the illusion occurred with stimuli in the frontal plane and with stimuli that were flat on the table surface in vision and touch. In the second experiment, the stimuli were rotated, and differences between vision and touch were revealed, with a stronger illusion in touch. The haptic horizontal-vertical illusion was virtually eliminated when the stimuli were bimanually touched using free exploration at the body midline, but a strong illusion was obtained when curves were felt with two index fingers or with a single hand at the midline. Bimanual exploration eliminated the illusion for smaller 2.5- through 10.2-cm stimuli, but a weakened illusion remained for the largest 12.7-cm patterns. The illusion was present when the stimuli were bimanually explored in the left and right hemispace. Thus, the benefits of bimanual exploration derived from the use of the two hands at the body midline combined with free exploration, rather than from bimanual free exploration per se. The results indicate the importance of haptic exploration at the body midline, where the body can serve as a familiar reference metric for size judgments. Alternative interpretations of the results are discussed, including the impact of movement-based heuristics as a causal factor for the illusion. It was suggested that tracing the curve's peak served to bisect the curve in haptics, because of the change in direction.</EA>
<CC>002A26E05</CC>
<FD>Sensibilité tactile; Courbure; Illusion perceptive; Horizontalité verticalité; Etude expérimentale; Homme</FD>
<FG>Perception; Cognition</FG>
<ED>Tactile sensitivity; Curvature; Perceptual illusion; Horizontality verticality; Experimental study; Human</ED>
<EG>Perception; Cognition</EG>
<SD>Sensibilidad tactil; Curvatura; Ilusión perceptiva; Horizontalidad verticalidad; Estudio experimental; Hombre</SD>
<LO>INIST-14257.354000181793670170</LO>
<ID>10-0408155</ID>
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Attenuating the haptic horizontal-vertical curvature illusion

Attenuating the haptic horizontal-vertical curvature illusion

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