Effects of late visual impairment on mental representations activated by visual and tactile stimuli.
Identifieur interne : 005604 ( Main/Merge ); précédent : 005603; suivant : 005605Effects of late visual impairment on mental representations activated by visual and tactile stimuli.
Auteurs : Zaira Cattaneo [Italie] ; Tomaso Vecchi ; Maura Monegato ; Alfredo Pece ; Cesare CornoldiSource :
- Brain research [ 0006-8993 ] ; 2007.
English descriptors
- KwdEn :
- Adaptation, Physiological (physiology), Adult, Age of Onset, Aging (physiology), Cognition (physiology), Cognition Disorders (etiology), Cognition Disorders (physiopathology), Female, Humans, Imagination (physiology), Male, Middle Aged, Neuronal Plasticity (physiology), Neuropsychological Tests, Photic Stimulation, Physical Stimulation, Recovery of Function (physiology), Time Factors, Touch (physiology), Vision Disorders (complications), Vision Disorders (physiopathology), Visual Perception (physiology).
- MESH :
- complications : Vision Disorders.
- etiology : Cognition Disorders.
- physiology : Adaptation, Physiological, Aging, Cognition, Imagination, Neuronal Plasticity, Recovery of Function, Touch, Visual Perception.
- physiopathology : Cognition Disorders, Vision Disorders.
- Adult, Age of Onset, Female, Humans, Male, Middle Aged, Neuropsychological Tests, Photic Stimulation, Physical Stimulation, Time Factors.
Abstract
Similarly to sighted people, individuals congenitally affected by a severe visual impairment can maintain and mentally manipulate spatial information about tactile stimuli [Vecchi, T., Cattaneo, Z., Monegato, M., Pece, A., Cornoldi, C., Pietrini, P., 2006. Why Cyclops could not compete with Ulysses: monocular vision and mental images. NeuroReport 17, 723-726]. The aim of the present study was to assess whether the onset timing of a severe (but not total) sight loss may influence spatial imagery abilities based on haptic input. To this purpose, a group of late severe visually impaired people and a matched group of normally sighted participants (all blindfolded) were presented with an imagery task requiring to memorize and retrieve a number of locations presented on tactile matrices. Results indicate that a severe visual deficit occurring later in life significantly impairs spatial imagery abilities to a greater extent than in the case of congenital blindness, probably as a consequence of a modest development of specific compensatory mechanisms associated with congenital deficits.
DOI: 10.1016/j.brainres.2007.02.033
PubMed: 17368576
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pubmed:17368576Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effects of late visual impairment on mental representations activated by visual and tactile stimuli.</title><author><name sortKey="Cattaneo, Zaira" sort="Cattaneo, Zaira" uniqKey="Cattaneo Z" first="Zaira" last="Cattaneo">Zaira Cattaneo</name><affiliation wicri:level="1"><nlm:affiliation>Department of Psychology, University of Pavia, P.za Botta 6, 27100 Pavia, Italy. zaira.cattaneo@unipv.it </nlm:affiliation> <country xml:lang="fr">Italie</country><wicri:regionArea>Department of Psychology, University of Pavia, P.za Botta 6, 27100 Pavia</wicri:regionArea><wicri:noRegion>27100 Pavia</wicri:noRegion></affiliation></author><author><name sortKey="Vecchi, Tomaso" sort="Vecchi, Tomaso" uniqKey="Vecchi T" first="Tomaso" last="Vecchi">Tomaso Vecchi</name></author><author><name sortKey="Monegato, Maura" sort="Monegato, Maura" uniqKey="Monegato M" first="Maura" last="Monegato">Maura Monegato</name></author><author><name sortKey="Pece, Alfredo" sort="Pece, Alfredo" uniqKey="Pece A" first="Alfredo" last="Pece">Alfredo Pece</name></author><author><name sortKey="Cornoldi, Cesare" sort="Cornoldi, Cesare" uniqKey="Cornoldi C" first="Cesare" last="Cornoldi">Cesare Cornoldi</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2007">2007</date><idno type="doi">10.1016/j.brainres.2007.02.033</idno><idno type="RBID">pubmed:17368576</idno><idno type="pmid">17368576</idno><idno type="wicri:Area/PubMed/Corpus">001676</idno><idno type="wicri:Area/PubMed/Curation">001676</idno><idno type="wicri:Area/PubMed/Checkpoint">001455</idno><idno type="wicri:Area/Ncbi/Merge">000B02</idno><idno type="wicri:Area/Ncbi/Curation">000B02</idno><idno type="wicri:Area/Ncbi/Checkpoint">000B02</idno><idno type="wicri:doubleKey">0006-8993:2007:Cattaneo Z:effects:of:late</idno><idno type="wicri:Area/Main/Merge">005604</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Effects of late visual impairment on mental representations activated by visual and tactile stimuli.</title><author><name sortKey="Cattaneo, Zaira" sort="Cattaneo, Zaira" uniqKey="Cattaneo Z" first="Zaira" last="Cattaneo">Zaira Cattaneo</name><affiliation wicri:level="1"><nlm:affiliation>Department of Psychology, University of Pavia, P.za Botta 6, 27100 Pavia, Italy. zaira.cattaneo@unipv.it </nlm:affiliation> <country xml:lang="fr">Italie</country><wicri:regionArea>Department of Psychology, University of Pavia, P.za Botta 6, 27100 Pavia</wicri:regionArea><wicri:noRegion>27100 Pavia</wicri:noRegion></affiliation></author><author><name sortKey="Vecchi, Tomaso" sort="Vecchi, Tomaso" uniqKey="Vecchi T" first="Tomaso" last="Vecchi">Tomaso Vecchi</name></author><author><name sortKey="Monegato, Maura" sort="Monegato, Maura" uniqKey="Monegato M" first="Maura" last="Monegato">Maura Monegato</name></author><author><name sortKey="Pece, Alfredo" sort="Pece, Alfredo" uniqKey="Pece A" first="Alfredo" last="Pece">Alfredo Pece</name></author><author><name sortKey="Cornoldi, Cesare" sort="Cornoldi, Cesare" uniqKey="Cornoldi C" first="Cesare" last="Cornoldi">Cesare Cornoldi</name></author></analytic><series><title level="j">Brain research</title><idno type="ISSN">0006-8993</idno><imprint><date when="2007" type="published">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Physiological (physiology)</term><term>Adult</term><term>Age of Onset</term><term>Aging (physiology)</term><term>Cognition (physiology)</term><term>Cognition Disorders (etiology)</term><term>Cognition Disorders (physiopathology)</term><term>Female</term><term>Humans</term><term>Imagination (physiology)</term><term>Male</term><term>Middle Aged</term><term>Neuronal Plasticity (physiology)</term><term>Neuropsychological Tests</term><term>Photic Stimulation</term><term>Physical Stimulation</term><term>Recovery of Function (physiology)</term><term>Time Factors</term><term>Touch (physiology)</term><term>Vision Disorders (complications)</term><term>Vision Disorders (physiopathology)</term><term>Visual Perception (physiology)</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Vision Disorders</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Cognition Disorders</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Adaptation, Physiological</term><term>Aging</term><term>Cognition</term><term>Imagination</term><term>Neuronal Plasticity</term><term>Recovery of Function</term><term>Touch</term><term>Visual Perception</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Cognition Disorders</term><term>Vision Disorders</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Age of Onset</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Neuropsychological Tests</term><term>Photic Stimulation</term><term>Physical Stimulation</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Similarly to sighted people, individuals congenitally affected by a severe visual impairment can maintain and mentally manipulate spatial information about tactile stimuli [Vecchi, T., Cattaneo, Z., Monegato, M., Pece, A., Cornoldi, C., Pietrini, P., 2006. Why Cyclops could not compete with Ulysses: monocular vision and mental images. NeuroReport 17, 723-726]. The aim of the present study was to assess whether the onset timing of a severe (but not total) sight loss may influence spatial imagery abilities based on haptic input. To this purpose, a group of late severe visually impaired people and a matched group of normally sighted participants (all blindfolded) were presented with an imagery task requiring to memorize and retrieve a number of locations presented on tactile matrices. Results indicate that a severe visual deficit occurring later in life significantly impairs spatial imagery abilities to a greater extent than in the case of congenital blindness, probably as a consequence of a modest development of specific compensatory mechanisms associated with congenital deficits.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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