HapticV1, PascalFrancis, Corpus, bibRecord, 000817

Neural and behavioral correlates of drawing in an early blind painter : A case study

Identifieur interne : 000817 ( PascalFrancis/Corpus ); précédent : 000816; suivant : 000818

Neural and behavioral correlates of drawing in an early blind painter : A case study

Auteurs : Amir Amedi ; Lotfi B. Merabet ; Joan Camprodon ; Felix Bermpohl ; Sharon Fox ; Itamar Ronen ; Dae-Shik Kim ; Alvaro Pascual-Leone

Source :

Brain research [ 0006-8993 ] ; 2008.

RBID : Pascal:09-0115567

Descripteurs français

Pascal (Inist)
- Comportement, Précoce, Aveugle, Etude cas, Sensibilité tactile, Perception, Mémoire, Reconnaissance, Cécité, Intégration multisensorielle, Homme, Plasticité cérébrale.

English descriptors

KwdEn :
- Behavior, Blind, Blindness, Brain plasticity, Case study, Early, Human, Memory, Multisensory integration, Perception, Recognition, Tactile sensitivity.

Abstract

Humans rely heavily on vision to identify objects in the world and can create mental representations of the objects they encounter. Objects can also be identified and mentally represented through haptic exploration. However, it is unclear whether prior visual experience is necessary to generate these internal representations. Subject EA, an early blind artist, provides insight into this question. Like other blind individuals, EA captures the external world by touch. However, he is also able to reveal his internal representations through highly detailed drawings that are unequivocally understandable by a sighted person. We employed fMRI to investigate the neural correlates associated with EA's ability to transform tactilely explored three-dimensional objects into drawings and contrasted these findings with a series of control conditions (e.g. nonsensical scribbling as a sensory-motor control). Activation during drawing (compared to scribbling) occurred in brain areas normally associated with vision, including the striate cortex along with frontal and parietal cortical regions. Some of these areas showed overlap when EA was asked to mentally imagine the pictures he had to draw (albeit to a lesser anatomical extent and signal magnitude). These results have important implications as regards our understanding of the ways in which tactile information can generate mental representations of shapes and scenes in the absence of normal visual development. Furthermore, these findings suggest the occipital cortex plays a key role in supporting mental representations even without prior visual experience.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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Format Inist (serveur)

NO :	PASCAL 09-0115567 INIST
ET :	Neural and behavioral correlates of drawing in an early blind painter : A case study
AU :	AMEDI (Amir); MERABET (Lotfi B.); CAMPRODON (Joan); BERMPOHL (Felix); FOX (Sharon); RONEN (Itamar); KIM (Dae-Shik); PASCUAL-LEONE (Alvaro); FOXE (John J.); ALAIS (David)
AF :	Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School/Boston, MA 02115/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 8 aut.); Department of Physiology, Faculty of Medicine and Program of Cognitive Science, The Hebrew University of Jerusalem/Jerusalem 91220/Israël (1 aut.); Department of Psychiatry and Psychotherapy, Charité -University Medicine Berlin, Campus Mitte/Berlin/Allemagne (4 aut.); Center for Biomedical Imaging and Department of Anatomy and Neurobiology, Boston University School of Medicine/Boston, MA/Etats-Unis (6 aut., 7 aut.); Program in Cognitive Neuroscience, Departments of Psychology & Biology, City College of the City University of New York, 138th Street & Convent Avenue/New York, NY 10031/Etats-Unis (1 aut.); The Cognitive Neurophysiology Laboratory, Nathan S. Kline Institute for Psychiatric Research, Program in Cognitive Neuroscience and Schizophrenia, 140 Old Orangeburg Road/Orangeburg, NY 10962/Etats-Unis (1 aut.)
DT :	Publication en série; Niveau analytique
SO :	Brain research; ISSN 0006-8993; Coden BRREAP; Pays-Bas; Da. 2008; Vol. 1242; Pp. 252-262; Bibl. 1/2 p.
LA :	Anglais
EA :	Humans rely heavily on vision to identify objects in the world and can create mental representations of the objects they encounter. Objects can also be identified and mentally represented through haptic exploration. However, it is unclear whether prior visual experience is necessary to generate these internal representations. Subject EA, an early blind artist, provides insight into this question. Like other blind individuals, EA captures the external world by touch. However, he is also able to reveal his internal representations through highly detailed drawings that are unequivocally understandable by a sighted person. We employed fMRI to investigate the neural correlates associated with EA's ability to transform tactilely explored three-dimensional objects into drawings and contrasted these findings with a series of control conditions (e.g. nonsensical scribbling as a sensory-motor control). Activation during drawing (compared to scribbling) occurred in brain areas normally associated with vision, including the striate cortex along with frontal and parietal cortical regions. Some of these areas showed overlap when EA was asked to mentally imagine the pictures he had to draw (albeit to a lesser anatomical extent and signal magnitude). These results have important implications as regards our understanding of the ways in which tactile information can generate mental representations of shapes and scenes in the absence of normal visual development. Furthermore, these findings suggest the occipital cortex plays a key role in supporting mental representations even without prior visual experience.
CC :	002B09K
FD :	Comportement; Précoce; Aveugle; Etude cas; Sensibilité tactile; Perception; Mémoire; Reconnaissance; Cécité; Intégration multisensorielle; Homme; Plasticité cérébrale
FG :	Pathologie de l'oeil; Trouble de la vision
ED :	Behavior; Early; Blind; Case study; Tactile sensitivity; Perception; Memory; Recognition; Blindness; Multisensory integration; Human; Brain plasticity
EG :	Eye disease; Vision disorder
SD :	Conducta; Precoz; Ciego; Estudio caso; Sensibilidad tactil; Percepción; Memoria; Reconocimiento; Ceguera; Integración multisensorial; Hombre; Plasticidad cerebral
LO :	INIST-12895.354000184648430250
ID :	09-0115567

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Pascal:09-0115567

Le document en format XML

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<front><div type="abstract" xml:lang="en">Humans rely heavily on vision to identify objects in the world and can create mental representations of the objects they encounter. Objects can also be identified and mentally represented through haptic exploration. However, it is unclear whether prior visual experience is necessary to generate these internal representations. Subject EA, an early blind artist, provides insight into this question. Like other blind individuals, EA captures the external world by touch. However, he is also able to reveal his internal representations through highly detailed drawings that are unequivocally understandable by a sighted person. We employed fMRI to investigate the neural correlates associated with EA's ability to transform tactilely explored three-dimensional objects into drawings and contrasted these findings with a series of control conditions (e.g. nonsensical scribbling as a sensory-motor control). Activation during drawing (compared to scribbling) occurred in brain areas normally associated with vision, including the striate cortex along with frontal and parietal cortical regions. Some of these areas showed overlap when EA was asked to mentally imagine the pictures he had to draw (albeit to a lesser anatomical extent and signal magnitude). These results have important implications as regards our understanding of the ways in which tactile information can generate mental representations of shapes and scenes in the absence of normal visual development. Furthermore, these findings suggest the occipital cortex plays a key role in supporting mental representations even without prior visual experience.</div>
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<ET>Neural and behavioral correlates of drawing in an early blind painter : A case study</ET>
<AU>AMEDI (Amir); MERABET (Lotfi B.); CAMPRODON (Joan); BERMPOHL (Felix); FOX (Sharon); RONEN (Itamar); KIM (Dae-Shik); PASCUAL-LEONE (Alvaro); FOXE (John J.); ALAIS (David)</AU>
<AF>Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School/Boston, MA 02115/Etats-Unis (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 8 aut.); Department of Physiology, Faculty of Medicine and Program of Cognitive Science, The Hebrew University of Jerusalem/Jerusalem 91220/Israël (1 aut.); Department of Psychiatry and Psychotherapy, Charité -University Medicine Berlin, Campus Mitte/Berlin/Allemagne (4 aut.); Center for Biomedical Imaging and Department of Anatomy and Neurobiology, Boston University School of Medicine/Boston, MA/Etats-Unis (6 aut., 7 aut.); Program in Cognitive Neuroscience, Departments of Psychology & Biology, City College of the City University of New York, 138th Street & Convent Avenue/New York, NY 10031/Etats-Unis (1 aut.); The Cognitive Neurophysiology Laboratory, Nathan S. Kline Institute for Psychiatric Research, Program in Cognitive Neuroscience and Schizophrenia, 140 Old Orangeburg Road/Orangeburg, NY 10962/Etats-Unis (1 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Brain research; ISSN 0006-8993; Coden BRREAP; Pays-Bas; Da. 2008; Vol. 1242; Pp. 252-262; Bibl. 1/2 p.</SO>
<LA>Anglais</LA>
<EA>Humans rely heavily on vision to identify objects in the world and can create mental representations of the objects they encounter. Objects can also be identified and mentally represented through haptic exploration. However, it is unclear whether prior visual experience is necessary to generate these internal representations. Subject EA, an early blind artist, provides insight into this question. Like other blind individuals, EA captures the external world by touch. However, he is also able to reveal his internal representations through highly detailed drawings that are unequivocally understandable by a sighted person. We employed fMRI to investigate the neural correlates associated with EA's ability to transform tactilely explored three-dimensional objects into drawings and contrasted these findings with a series of control conditions (e.g. nonsensical scribbling as a sensory-motor control). Activation during drawing (compared to scribbling) occurred in brain areas normally associated with vision, including the striate cortex along with frontal and parietal cortical regions. Some of these areas showed overlap when EA was asked to mentally imagine the pictures he had to draw (albeit to a lesser anatomical extent and signal magnitude). These results have important implications as regards our understanding of the ways in which tactile information can generate mental representations of shapes and scenes in the absence of normal visual development. Furthermore, these findings suggest the occipital cortex plays a key role in supporting mental representations even without prior visual experience.</EA>
<CC>002B09K</CC>
<FD>Comportement; Précoce; Aveugle; Etude cas; Sensibilité tactile; Perception; Mémoire; Reconnaissance; Cécité; Intégration multisensorielle; Homme; Plasticité cérébrale</FD>
<FG>Pathologie de l'oeil; Trouble de la vision</FG>
<ED>Behavior; Early; Blind; Case study; Tactile sensitivity; Perception; Memory; Recognition; Blindness; Multisensory integration; Human; Brain plasticity</ED>
<EG>Eye disease; Vision disorder</EG>
<SD>Conducta; Precoz; Ciego; Estudio caso; Sensibilidad tactil; Percepción; Memoria; Reconocimiento; Ceguera; Integración multisensorial; Hombre; Plasticidad cerebral</SD>
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Neural and behavioral correlates of drawing in an early blind painter : A case study

Neural and behavioral correlates of drawing in an early blind painter : A case study

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