[Haptic mental rotation in patients with congenital blindness, acquired blindness and normal vision persons].
Identifieur interne : 004554 ( Ncbi/Checkpoint ); précédent : 004553; suivant : 004555[Haptic mental rotation in patients with congenital blindness, acquired blindness and normal vision persons].
Auteurs : B. Röder ; F. Rösler ; M. Heil ; E. HennighausenSource :
- Zeitschrift für experimentelle und angewandte Psychologie [ 0044-2712 ] ; 1993.
English descriptors
- KwdEn :
- MESH :
- congenital : Blindness.
- psychology : Blindness.
- Adult, Discrimination Learning, Female, Humans, Imagination, Male, Orientation, Stereognosis.
Abstract
Nineteen congenitally blind subjects (Ss), eleven Ss who went blind later in their life, and 42 control Ss with normal vision were tested in a tactile version of a "mental rotation" task. A specially constructed tactile display was used which enabled a rotation of the alphanumeric symbols in multiples of 60 degrees without any form distortion. Ss had to compare two successively presented symbols regarding whether the second was just a rotated version or also a mirror image of the first. Decision latencies and errors were recorded. Neither of dependent variables reveal any differences between the three groups of subjects. Moreover, the well known linear increase of decision latency as a function of angular disparity could also be observed with the tactile stimuli in all three groups. Both results are consistent with the assumption that mental rotation effects are neither linked to the visual modality nor to a manipulation of visual-analog representations. If the task is solved by so called analog processes then these seem to operate with non-visual spatial representations.
PubMed: 8328164
Affiliations:
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pubmed:8328164Le document en format XML
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<author><name sortKey="Roder, B" sort="Roder, B" uniqKey="Roder B" first="B" last="Röder">B. Röder</name>
<affiliation><nlm:affiliation>Fachbereich Psychologie, Philipps-Universität Marburg.</nlm:affiliation>
<wicri:noCountry code="subField">Philipps-Universität Marburg</wicri:noCountry>
</affiliation>
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<author><name sortKey="Rosler, F" sort="Rosler, F" uniqKey="Rosler F" first="F" last="Rösler">F. Rösler</name>
</author>
<author><name sortKey="Heil, M" sort="Heil, M" uniqKey="Heil M" first="M" last="Heil">M. Heil</name>
</author>
<author><name sortKey="Hennighausen, E" sort="Hennighausen, E" uniqKey="Hennighausen E" first="E" last="Hennighausen">E. Hennighausen</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">[Haptic mental rotation in patients with congenital blindness, acquired blindness and normal vision persons].</title>
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<series><title level="j">Zeitschrift für experimentelle und angewandte Psychologie</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term>
<term>Blindness (congenital)</term>
<term>Blindness (psychology)</term>
<term>Discrimination Learning</term>
<term>Female</term>
<term>Humans</term>
<term>Imagination</term>
<term>Male</term>
<term>Orientation</term>
<term>Stereognosis</term>
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<keywords scheme="MESH" qualifier="congenital" xml:lang="en"><term>Blindness</term>
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<keywords scheme="MESH" qualifier="psychology" xml:lang="en"><term>Blindness</term>
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<term>Discrimination Learning</term>
<term>Female</term>
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<front><div type="abstract" xml:lang="en">Nineteen congenitally blind subjects (Ss), eleven Ss who went blind later in their life, and 42 control Ss with normal vision were tested in a tactile version of a "mental rotation" task. A specially constructed tactile display was used which enabled a rotation of the alphanumeric symbols in multiples of 60 degrees without any form distortion. Ss had to compare two successively presented symbols regarding whether the second was just a rotated version or also a mirror image of the first. Decision latencies and errors were recorded. Neither of dependent variables reveal any differences between the three groups of subjects. Moreover, the well known linear increase of decision latency as a function of angular disparity could also be observed with the tactile stimuli in all three groups. Both results are consistent with the assumption that mental rotation effects are neither linked to the visual modality nor to a manipulation of visual-analog representations. If the task is solved by so called analog processes then these seem to operate with non-visual spatial representations.</div>
</front>
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<name sortKey="Roder, B" sort="Roder, B" uniqKey="Roder B" first="B" last="Röder">B. Röder</name>
<name sortKey="Rosler, F" sort="Rosler, F" uniqKey="Rosler F" first="F" last="Rösler">F. Rösler</name>
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