Optimal integration of shape information from vision and touch
Identifieur interne : 005982 ( Main/Exploration ); précédent : 005981; suivant : 005983Optimal integration of shape information from vision and touch
Auteurs : Hannah B. Helbig [Allemagne] ; Marc O. Ernst [Allemagne]Source :
- Experimental brain research [ 0014-4819 ] ; 2007.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Adolescent, Adult, Cues, Female, Form Perception (physiology), Hand, Hand (physiology), Haptic perception, Human, Humans, Male, Mechanoreceptors (physiology), Multisensory integration, Neuropsychological Tests, Photic Stimulation, Physical Stimulation, Recognition (Psychology) (physiology), Space Perception (physiology), Touch (physiology), Visual Fields (physiology), Visual cue.
- MESH :
Abstract
Many tasks can be carried out by using several sources of information. For example, an object's size and shape can be judged based on visual as well as haptic cues. It has been shown recently that human observers integrate visual and haptic size information in a statistically optimal fashion, in the sense that the integrated estimate is most reliable (Ernst and Banks in Nature 415:429-433, 2002). In the present study, we tested whether this holds also for visual and haptic shape information. In previous studies virtual stimuli were used to test for optimality in integration. Virtual displays may, however, contain additional inappropriate cues that provide conflicting information and thus affect cue integration. Therefore, we studied optimal integration using real objects. Furthermore, we presented visual information via mirrors to create a spatial separation between visual and haptic cues while observers saw their hand touching the object and thus, knew that they were seeing and feeling the same object. Does this knowledge promote integration even though signals are spatially discrepant which has been shown to lead to a breakdown of integration (Gepshtein et al. in J Vis 5:1013-1023, 2005)? Consistent with the model predictions, observers weighted visual and haptic cues to shape according to their reliability: progressively more weight was given to haptics when visual information became less reliable. Moreover, the integrated visual-haptic estimate was more reliable than either unimodal estimate. These findings suggest that observers integrate visual and haptic shape information of real 3D objects. Thereby, knowledge that multisensory signals arise from the same object seems to promote integration.
Affiliations:
Links toward previous steps (curation, corpus...)
- to stream PascalFrancis, to step Corpus: 000B43
- to stream PascalFrancis, to step Curation: 000952
- to stream PascalFrancis, to step Checkpoint: 000802
- to stream Main, to step Merge: 005B74
- to stream PubMed, to step Corpus: 001715
- to stream PubMed, to step Curation: 001715
- to stream PubMed, to step Checkpoint: 001394
- to stream Ncbi, to step Merge: 000A51
- to stream Ncbi, to step Curation: 000A51
- to stream Ncbi, to step Checkpoint: 000A51
- to stream Main, to step Merge: 005529
- to stream Main, to step Curation: 005982
Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Optimal integration of shape information from vision and touch</title><author><name sortKey="Helbig, Hannah B" sort="Helbig, Hannah B" uniqKey="Helbig H" first="Hannah B." last="Helbig">Hannah B. Helbig</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Max Planck Institute for Biological Cybernetics, Spemannstr. 38</s1><s2>72076 Tübingen</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Tübingen</settlement></placeName></affiliation></author><author><name sortKey="Ernst, Marc O" sort="Ernst, Marc O" uniqKey="Ernst M" first="Marc O." last="Ernst">Marc O. Ernst</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Max Planck Institute for Biological Cybernetics, Spemannstr. 38</s1><s2>72076 Tübingen</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Tübingen</settlement></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">07-0276670</idno><date when="2007">2007</date><idno type="stanalyst">PASCAL 07-0276670 INIST</idno><idno type="RBID">Pascal:07-0276670</idno><idno type="wicri:Area/PascalFrancis/Corpus">000B43</idno><idno type="wicri:Area/PascalFrancis/Curation">000952</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000802</idno><idno type="wicri:doubleKey">0014-4819:2007:Helbig H:optimal:integration:of</idno><idno type="wicri:Area/Main/Merge">005B74</idno><idno type="wicri:source">PubMed</idno><idno type="RBID">pubmed:17225091</idno><idno type="wicri:Area/PubMed/Corpus">001715</idno><idno type="wicri:Area/PubMed/Curation">001715</idno><idno type="wicri:Area/PubMed/Checkpoint">001394</idno><idno type="wicri:Area/Ncbi/Merge">000A51</idno><idno type="wicri:Area/Ncbi/Curation">000A51</idno><idno type="wicri:Area/Ncbi/Checkpoint">000A51</idno><idno type="wicri:doubleKey">0014-4819:2007:Helbig H:optimal:integration:of</idno><idno type="wicri:Area/Main/Merge">005529</idno><idno type="wicri:Area/Main/Curation">005982</idno><idno type="wicri:Area/Main/Exploration">005982</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Optimal integration of shape information from vision and touch</title><author><name sortKey="Helbig, Hannah B" sort="Helbig, Hannah B" uniqKey="Helbig H" first="Hannah B." last="Helbig">Hannah B. Helbig</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Max Planck Institute for Biological Cybernetics, Spemannstr. 38</s1><s2>72076 Tübingen</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Tübingen</settlement></placeName></affiliation></author><author><name sortKey="Ernst, Marc O" sort="Ernst, Marc O" uniqKey="Ernst M" first="Marc O." last="Ernst">Marc O. Ernst</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Max Planck Institute for Biological Cybernetics, Spemannstr. 38</s1><s2>72076 Tübingen</s2><s3>DEU</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Tübingen</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Experimental brain research</title><title level="j" type="abbreviated">Exp. brain res.</title><idno type="ISSN">0014-4819</idno><imprint><date when="2007">2007</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Experimental brain research</title><title level="j" type="abbreviated">Exp. brain res.</title><idno type="ISSN">0014-4819</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Cues</term><term>Female</term><term>Form Perception (physiology)</term><term>Hand</term><term>Hand (physiology)</term><term>Haptic perception</term><term>Human</term><term>Humans</term><term>Male</term><term>Mechanoreceptors (physiology)</term><term>Multisensory integration</term><term>Neuropsychological Tests</term><term>Photic Stimulation</term><term>Physical Stimulation</term><term>Recognition (Psychology) (physiology)</term><term>Space Perception (physiology)</term><term>Touch (physiology)</term><term>Visual Fields (physiology)</term><term>Visual cue</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Form Perception</term><term>Hand</term><term>Mechanoreceptors</term><term>Recognition (Psychology)</term><term>Space Perception</term><term>Touch</term><term>Visual Fields</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Cues</term><term>Female</term><term>Humans</term><term>Male</term><term>Neuropsychological Tests</term><term>Photic Stimulation</term><term>Physical Stimulation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Repère visuel</term><term>Main</term><term>Homme</term><term>Perception haptique</term><term>Intégration multisensorielle</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Many tasks can be carried out by using several sources of information. For example, an object's size and shape can be judged based on visual as well as haptic cues. It has been shown recently that human observers integrate visual and haptic size information in a statistically optimal fashion, in the sense that the integrated estimate is most reliable (Ernst and Banks in Nature 415:429-433, 2002). In the present study, we tested whether this holds also for visual and haptic shape information. In previous studies virtual stimuli were used to test for optimality in integration. Virtual displays may, however, contain additional inappropriate cues that provide conflicting information and thus affect cue integration. Therefore, we studied optimal integration using real objects. Furthermore, we presented visual information via mirrors to create a spatial separation between visual and haptic cues while observers saw their hand touching the object and thus, knew that they were seeing and feeling the same object. Does this knowledge promote integration even though signals are spatially discrepant which has been shown to lead to a breakdown of integration (Gepshtein et al. in J Vis 5:1013-1023, 2005)? Consistent with the model predictions, observers weighted visual and haptic cues to shape according to their reliability: progressively more weight was given to haptics when visual information became less reliable. Moreover, the integrated visual-haptic estimate was more reliable than either unimodal estimate. These findings suggest that observers integrate visual and haptic shape information of real 3D objects. Thereby, knowledge that multisensory signals arise from the same object seems to promote integration.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Bade-Wurtemberg</li><li>District de Tübingen</li></region><settlement><li>Tübingen</li></settlement></list><tree><country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Helbig, Hannah B" sort="Helbig, Hannah B" uniqKey="Helbig H" first="Hannah B." last="Helbig">Hannah B. Helbig</name></region><name sortKey="Ernst, Marc O" sort="Ernst, Marc O" uniqKey="Ernst M" first="Marc O." last="Ernst">Marc O. Ernst</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Ticri/CIDE/explor/HapticV1/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 005982 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd -nk 005982 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien
|wiki= Ticri/CIDE
|area= HapticV1
|flux= Main
|étape= Exploration
|type= RBID
|clé= Pascal:07-0276670
|texte= Optimal integration of shape information from vision and touch
}}
| This area was generated with Dilib version V0.6.23. |  |