" Laissez-moi passer s'il vous plaît, je suis autiste" / Laurent MOTTRON

Public ISBD contenu dans Le diagnostic en psychiatrie / Anne DANION-GRILLIAT Titre : " Laissez-moi passer s'il vous plaît, je suis autiste" : Plaidoyer pour une annonce diagnostique aux autistes Type de document : Texte imprimé et/ou numérique Auteurs : Laurent MOTTRON, Auteur ; Edith MENARD, Auteur Année de publication : 2006 Importance : p.87-94 Langues : Français (fre) Index. décimale : SCI-E SCI-E - Psychiatrie Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=740 contenu dans Le diagnostic en psychiatrie / Anne DANION-GRILLIAT " Laissez-moi passer s'il vous plaît, je suis autiste" : Plaidoyer pour une annonce diagnostique aux autistes [Texte imprimé et/ou numérique] / Laurent MOTTRON, Auteur ; Edith MENARD, Auteur . - 2006 . - p.87-94. Langues : Français (fre) Index. décimale : SCI-E SCI-E - Psychiatrie Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=740

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Local and Global Processing of Music in High-functioning Persons with Autism: Beyond Central Coherence? / Laurent MOTTRON in Journal of Child Psychology and Psychiatry, 41-8 (November 2000)

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 41-8 (November 2000) . - p.1057-1065 Titre : Local and Global Processing of Music in High-functioning Persons with Autism: Beyond Central Coherence? Type de document : Texte imprimé et/ou numérique Auteurs : Laurent MOTTRON, Auteur ; I. PERETZ, Auteur ; Edith MENARD, Auteur Année de publication : 2000 Article en page(s) : p.1057-1065 Langues : Anglais (eng) Mots-clés : Autistic disorder  cognition  development  idiot savants  memory  music  neuropsychology  perception Index. décimale : PER Périodiques Résumé : A multi-modal abnormality in the integration of parts and whole has been proposed to account for a bias toward local stimuli in individuals with autism (Frith, 1989; Mottron & Belleville, 1993). In the current experiment, we examined the utility of hierarchical models in characterising musical information processing in autistic individuals. Participants were 13 high-functioning individuals with autism and 13 individuals of normal intelligence matched on chronological age, nonverbal IQ, and laterality, and without musical experience. The task consisted of same-different judgements of pairs of melodies. Differential local and global processing was assessed by manipulating the level, local or global, at which modifications occurred. No deficit was found in the two measures of global processing. In contrast, the clinical group performed better than the comparison group in the detection of change in nontransposed, contour-preserved melodies that tap local processing. These findings confirm the existence of a “local bias” in music perception in individuals with autism, but challenge the notion that it is accounted for by a deficit in global music processing. The present study suggests that enhanced processing of elementary physical properties of incoming stimuli, as found previously in the visual modality, may also exist in the auditory modality. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125 [article] Local and Global Processing of Music in High-functioning Persons with Autism: Beyond Central Coherence? [Texte imprimé et/ou numérique] / Laurent MOTTRON, Auteur ; I. PERETZ, Auteur ; Edith MENARD, Auteur . - 2000 . - p.1057-1065. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 41-8 (November 2000) . - p.1057-1065 Mots-clés : Autistic disorder  cognition  development  idiot savants  memory  music  neuropsychology  perception Index. décimale : PER Périodiques Résumé : A multi-modal abnormality in the integration of parts and whole has been proposed to account for a bias toward local stimuli in individuals with autism (Frith, 1989; Mottron & Belleville, 1993). In the current experiment, we examined the utility of hierarchical models in characterising musical information processing in autistic individuals. Participants were 13 high-functioning individuals with autism and 13 individuals of normal intelligence matched on chronological age, nonverbal IQ, and laterality, and without musical experience. The task consisted of same-different judgements of pairs of melodies. Differential local and global processing was assessed by manipulating the level, local or global, at which modifications occurred. No deficit was found in the two measures of global processing. In contrast, the clinical group performed better than the comparison group in the detection of change in nontransposed, contour-preserved melodies that tap local processing. These findings confirm the existence of a “local bias” in music perception in individuals with autism, but challenge the notion that it is accounted for by a deficit in global music processing. The present study suggests that enhanced processing of elementary physical properties of incoming stimuli, as found previously in the visual modality, may also exist in the auditory modality. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=125

Local Bias in Autistic Subjects as Evidenced by Graphic Tasks: Perceptual Hierarchization or Working Memory Deficit? / Laurent MOTTRON in Journal of Child Psychology and Psychiatry, 40-5 (July 1999)

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 40-5 (July 1999) . - p.743-755 Titre : Local Bias in Autistic Subjects as Evidenced by Graphic Tasks: Perceptual Hierarchization or Working Memory Deficit? Type de document : Texte imprimé et/ou numérique Auteurs : Laurent MOTTRON, Auteur ; Sylvie BELLEVILLE, Auteur ; Edith MENARD, Auteur Année de publication : 1999 Article en page(s) : p.743-755 Langues : Anglais (eng) Mots-clés : Autistic disorder  drawing  executive function  hierarchical processing  neuro-psychology  visual perception  working memory Index. décimale : PER Périodiques Résumé : In the present study, copying tasks were used to assess hierarchical aspects of visual perception in a group of 10 nonsavant autistic individuals with normal intelligence. In Experiment 1, the hierarchical order of graphic construction and the constancy of this order were measured for the copying of objects and nonobjects. In comparison to control participants, autistic individuals produced more local features at the start of the copying. However, they did not differ from controls with respect to graphic constancy. Experiment 2 measured the effect of geometrical impossibility on the copying of figures. Results revealed that autistic individuals were less affected by figure impossibility than were controls. Therefore, these experiments seem to support the notion of a local bias for visual information processing in individuals with autism. Two interpretations are proposed to account for this effect. According to the hierarchical deficit hypothesis, individuals with autism do not manifest the normal global bias in perceiving scenes and objects. Alternatively, the executive function hypothesis suggests that autism brings about limitations in the complexity of information that can be manipulated in short-term visual memory during graphic planning. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124 [article] Local Bias in Autistic Subjects as Evidenced by Graphic Tasks: Perceptual Hierarchization or Working Memory Deficit? [Texte imprimé et/ou numérique] / Laurent MOTTRON, Auteur ; Sylvie BELLEVILLE, Auteur ; Edith MENARD, Auteur . - 1999 . - p.743-755. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 40-5 (July 1999) . - p.743-755 Mots-clés : Autistic disorder  drawing  executive function  hierarchical processing  neuro-psychology  visual perception  working memory Index. décimale : PER Périodiques Résumé : In the present study, copying tasks were used to assess hierarchical aspects of visual perception in a group of 10 nonsavant autistic individuals with normal intelligence. In Experiment 1, the hierarchical order of graphic construction and the constancy of this order were measured for the copying of objects and nonobjects. In comparison to control participants, autistic individuals produced more local features at the start of the copying. However, they did not differ from controls with respect to graphic constancy. Experiment 2 measured the effect of geometrical impossibility on the copying of figures. Results revealed that autistic individuals were less affected by figure impossibility than were controls. Therefore, these experiments seem to support the notion of a local bias for visual information processing in individuals with autism. Two interpretations are proposed to account for this effect. According to the hierarchical deficit hypothesis, individuals with autism do not manifest the normal global bias in perceiving scenes and objects. Alternatively, the executive function hypothesis suggests that autism brings about limitations in the complexity of information that can be manipulated in short-term visual memory during graphic planning. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=124

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