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Auteur David COHEN |
Documents disponibles écrits par cet auteur (38)



Assessment of the communicative and coordination skills of children with Autism Spectrum Disorders and typically developing children using social signal processing / Emilie DELAHERCHE in Research in Autism Spectrum Disorders, 7-6 (June 2013)
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[article]
Titre : Assessment of the communicative and coordination skills of children with Autism Spectrum Disorders and typically developing children using social signal processing Type de document : Texte imprimé et/ou numérique Auteurs : Emilie DELAHERCHE, Auteur ; Mohamed CHETOUANI, Auteur ; Fabienne BIGOURET, Auteur ; Jean XAVIER, Auteur ; Monique PLAZA, Auteur ; David COHEN, Auteur Article en page(s) : p.741-756 Langues : Anglais (eng) Mots-clés : Social signal processing Coordination Imitation Autism spectrum disorder Index. décimale : PER Périodiques Résumé : To cooperate with a partner, it is essential to communicate by sharing information through all available avenues, including hand gestures, gazes, head gestures and naturally, speech. In this paper, we compare the communicative and coordination skills of children with typical development to those of children with Autism Spectrum Disorders (ASDs) in cooperative joint action tasks. Communicative skills were assessed using a pragmatic annotation grid. Coordination skills were assessed based on automatically extracted features that characterize interactive behavior (turn-taking, synchronized gestures). First, we tested the performance of the interactive features when discriminating between the two groups of children (typical vs. ASD). Features characterizing the gestural rhythms of the therapist and the duration of his gestural pauses were particularly accurate at discriminating between the two groups. Second, we tested the ability of these features for the continuous classification problem of predicting the developmental age of the child. The duration of the verbal interventions of the therapist were predictive of the age of the child in all tasks. Furthermore, more features were predictive of the age of the child when the child had to lead the task. We conclude that social signal processing is a promising tool for the study of communication and interaction in children with ASD because we showed that therapists adapt differentially in three different tasks according to age and clinical status. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.02.003 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=199
in Research in Autism Spectrum Disorders > 7-6 (June 2013) . - p.741-756[article] Assessment of the communicative and coordination skills of children with Autism Spectrum Disorders and typically developing children using social signal processing [Texte imprimé et/ou numérique] / Emilie DELAHERCHE, Auteur ; Mohamed CHETOUANI, Auteur ; Fabienne BIGOURET, Auteur ; Jean XAVIER, Auteur ; Monique PLAZA, Auteur ; David COHEN, Auteur . - p.741-756.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 7-6 (June 2013) . - p.741-756
Mots-clés : Social signal processing Coordination Imitation Autism spectrum disorder Index. décimale : PER Périodiques Résumé : To cooperate with a partner, it is essential to communicate by sharing information through all available avenues, including hand gestures, gazes, head gestures and naturally, speech. In this paper, we compare the communicative and coordination skills of children with typical development to those of children with Autism Spectrum Disorders (ASDs) in cooperative joint action tasks. Communicative skills were assessed using a pragmatic annotation grid. Coordination skills were assessed based on automatically extracted features that characterize interactive behavior (turn-taking, synchronized gestures). First, we tested the performance of the interactive features when discriminating between the two groups of children (typical vs. ASD). Features characterizing the gestural rhythms of the therapist and the duration of his gestural pauses were particularly accurate at discriminating between the two groups. Second, we tested the ability of these features for the continuous classification problem of predicting the developmental age of the child. The duration of the verbal interventions of the therapist were predictive of the age of the child in all tasks. Furthermore, more features were predictive of the age of the child when the child had to lead the task. We conclude that social signal processing is a promising tool for the study of communication and interaction in children with ASD because we showed that therapists adapt differentially in three different tasks according to age and clinical status. En ligne : http://dx.doi.org/10.1016/j.rasd.2013.02.003 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=199 Autism spectrum disorders: An historical synthesis and a multidimensional assessment toward a tailored therapeutic program / Jean XAVIER in Research in Autism Spectrum Disorders, 18 (October 2015)
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Titre : Autism spectrum disorders: An historical synthesis and a multidimensional assessment toward a tailored therapeutic program Type de document : Texte imprimé et/ou numérique Auteurs : Jean XAVIER, Auteur ; Claude BURSZTEJN, Auteur ; Maitri STISKIN, Auteur ; Roberto CANITANO, Auteur ; David COHEN, Auteur Article en page(s) : p.21-33 Langues : Anglais (eng) Mots-clés : Categorical Developmental Multidimensional assessment Integrative perspective Tailored therapeutic proposal Index. décimale : PER Périodiques Résumé : Abstract Autism is a large group of disorders. From the first description in 1943 until know, attempts to propose nosological boundaries, through successive redefinitions of diagnostic criteria, have not succeeded in constraining the extensiveness nor in explaining the heterogeneity of autism. The failure of the categorical approach is revealed by several indices, including excessive comorbidity, the frequent use of Not Otherwise Specified categories and diagnostic uncertainty in borderline cases. Several proposals have been formulated to categorize subgroups of children with complex severe developmental disorders but less severe trajectories than typical autism. The diversity and overlap in their clinical expression emphasize the importance of using a multidimensional assessment inscribed in a developmental perspective. In this way, clinicians could encompass the issues of the categorical approach, address the child holistically and then achieve a functional diagnosis enabling the elaboration of a tailored therapeutic proposal. En ligne : http://dx.doi.org/10.1016/j.rasd.2015.06.011 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=268
in Research in Autism Spectrum Disorders > 18 (October 2015) . - p.21-33[article] Autism spectrum disorders: An historical synthesis and a multidimensional assessment toward a tailored therapeutic program [Texte imprimé et/ou numérique] / Jean XAVIER, Auteur ; Claude BURSZTEJN, Auteur ; Maitri STISKIN, Auteur ; Roberto CANITANO, Auteur ; David COHEN, Auteur . - p.21-33.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 18 (October 2015) . - p.21-33
Mots-clés : Categorical Developmental Multidimensional assessment Integrative perspective Tailored therapeutic proposal Index. décimale : PER Périodiques Résumé : Abstract Autism is a large group of disorders. From the first description in 1943 until know, attempts to propose nosological boundaries, through successive redefinitions of diagnostic criteria, have not succeeded in constraining the extensiveness nor in explaining the heterogeneity of autism. The failure of the categorical approach is revealed by several indices, including excessive comorbidity, the frequent use of Not Otherwise Specified categories and diagnostic uncertainty in borderline cases. Several proposals have been formulated to categorize subgroups of children with complex severe developmental disorders but less severe trajectories than typical autism. The diversity and overlap in their clinical expression emphasize the importance of using a multidimensional assessment inscribed in a developmental perspective. In this way, clinicians could encompass the issues of the categorical approach, address the child holistically and then achieve a functional diagnosis enabling the elaboration of a tailored therapeutic proposal. En ligne : http://dx.doi.org/10.1016/j.rasd.2015.06.011 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=268 Brief Report: Visual-Spatial Deficit in a 16-year-old Girl with Maternally Derived Duplication of Proximal 15q / David COHEN in Journal of Autism and Developmental Disorders, 37-8 (September 2007)
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Titre : Brief Report: Visual-Spatial Deficit in a 16-year-old Girl with Maternally Derived Duplication of Proximal 15q Type de document : Texte imprimé et/ou numérique Auteurs : David COHEN, Auteur ; Delphine HERON, Auteur ; Laurent COHEN, Auteur ; Hélène CAVE, Auteur ; Brigitte BENZACKEN, Auteur ; Eva PIPIRAS, Auteur ; Jean-Marc GUILE, Auteur ; Ludovic DUVERGER, Auteur ; Céline AMY, Auteur ; Nicole DECHAMBRE, Auteur ; Anna WILSON, Auteur ; Claire MARTEL, Auteur ; Monique PLAZA, Auteur Année de publication : 2007 Article en page(s) : p.1585-1591 Note générale : An erratum to this article can be found at http://dx.doi.org/10.1007/s10803-006-0304-x Langues : Anglais (eng) Mots-clés : Chromosome-15 Prader-Willi/Angelman-Syndrome-critical-region Maternally-derived-interstitial-duplication Pervasive-developmental-disorder Visual-spatial-deficit Index. décimale : PER Périodiques Résumé : Duplications of chromosome 15 may be one of the most common single genetic causes of autism spectrum disorders (ASD), aside from fragile X. Most of the cases are associated with maternally derived interstitial duplication involving 15q11-13. This case report describes a female proband with a maternally derived interstitial duplication of proximal 15q. She did not exhibit any symptoms of ASD apart from some developmental delay. By adolescence, she showed mild dysmorphism, a discrepant profile on the Wechsler Intelligence Scale for Children (Verbal IQ = 87; Performance IQ = 65) and a major deficit in visual-spatial abilities affecting fine motor skills, mathematical reasoning, visual memory and some global reading tasks. This is one of the first reports of a child with a maternal duplication who exhibits a visual-spatial deficit without ASD.
En ligne : http://dx.doi.org/10.1007/s10803-006-0228-5 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=165
in Journal of Autism and Developmental Disorders > 37-8 (September 2007) . - p.1585-1591[article] Brief Report: Visual-Spatial Deficit in a 16-year-old Girl with Maternally Derived Duplication of Proximal 15q [Texte imprimé et/ou numérique] / David COHEN, Auteur ; Delphine HERON, Auteur ; Laurent COHEN, Auteur ; Hélène CAVE, Auteur ; Brigitte BENZACKEN, Auteur ; Eva PIPIRAS, Auteur ; Jean-Marc GUILE, Auteur ; Ludovic DUVERGER, Auteur ; Céline AMY, Auteur ; Nicole DECHAMBRE, Auteur ; Anna WILSON, Auteur ; Claire MARTEL, Auteur ; Monique PLAZA, Auteur . - 2007 . - p.1585-1591.
An erratum to this article can be found at http://dx.doi.org/10.1007/s10803-006-0304-x
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 37-8 (September 2007) . - p.1585-1591
Mots-clés : Chromosome-15 Prader-Willi/Angelman-Syndrome-critical-region Maternally-derived-interstitial-duplication Pervasive-developmental-disorder Visual-spatial-deficit Index. décimale : PER Périodiques Résumé : Duplications of chromosome 15 may be one of the most common single genetic causes of autism spectrum disorders (ASD), aside from fragile X. Most of the cases are associated with maternally derived interstitial duplication involving 15q11-13. This case report describes a female proband with a maternally derived interstitial duplication of proximal 15q. She did not exhibit any symptoms of ASD apart from some developmental delay. By adolescence, she showed mild dysmorphism, a discrepant profile on the Wechsler Intelligence Scale for Children (Verbal IQ = 87; Performance IQ = 65) and a major deficit in visual-spatial abilities affecting fine motor skills, mathematical reasoning, visual memory and some global reading tasks. This is one of the first reports of a child with a maternal duplication who exhibits a visual-spatial deficit without ASD.
En ligne : http://dx.doi.org/10.1007/s10803-006-0228-5 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=165 Children with autism spectrum disorder produce more ambiguous and less socially meaningful facial expressions: an experimental study using random forest classifiers / Charline GROSSARD in Molecular Autism, 11 (2020)
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Titre : Children with autism spectrum disorder produce more ambiguous and less socially meaningful facial expressions: an experimental study using random forest classifiers Type de document : Texte imprimé et/ou numérique Auteurs : Charline GROSSARD, Auteur ; Arnaud DAPOGNY, Auteur ; David COHEN, Auteur ; Sacha BERNHEIM, Auteur ; Estelle JUILLET, Auteur ; Fanny HAMEL, Auteur ; Stéphanie HUN, Auteur ; Jérémy BOURGEOIS, Auteur ; Hugues PELLERIN, Auteur ; Sylvie SERRET, Auteur ; Kevin BAILLY, Auteur ; Laurence CHABY, Auteur Article en page(s) : 5 p. Langues : Anglais (eng) Mots-clés : Algorithm Autism spectrum disorder Emotion Facial expressions Index. décimale : PER Périodiques Résumé : BACKGROUND: Computer vision combined with human annotation could offer a novel method for exploring facial expression (FE) dynamics in children with autism spectrum disorder (ASD). METHODS: We recruited 157 children with typical development (TD) and 36 children with ASD in Paris and Nice to perform two experimental tasks to produce FEs with emotional valence. FEs were explored by judging ratings and by random forest (RF) classifiers. To do so, we located a set of 49 facial landmarks in the task videos, we generated a set of geometric and appearance features and we used RF classifiers to explore how children with ASD differed from TD children when producing FEs. RESULTS: Using multivariate models including other factors known to predict FEs (age, gender, intellectual quotient, emotion subtype, cultural background), ratings from expert raters showed that children with ASD had more difficulty producing FEs than TD children. In addition, when we explored how RF classifiers performed, we found that classification tasks, except for those for sadness, were highly accurate and that RF classifiers needed more facial landmarks to achieve the best classification for children with ASD. Confusion matrices showed that when RF classifiers were tested in children with ASD, anger was often confounded with happiness. LIMITATIONS: The sample size of the group of children with ASD was lower than that of the group of TD children. By using several control calculations, we tried to compensate for this limitation. CONCLUSION: Children with ASD have more difficulty producing socially meaningful FEs. The computer vision methods we used to explore FE dynamics also highlight that the production of FEs in children with ASD carries more ambiguity. En ligne : http://dx.doi.org/10.1186/s13229-020-0312-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=427
in Molecular Autism > 11 (2020) . - 5 p.[article] Children with autism spectrum disorder produce more ambiguous and less socially meaningful facial expressions: an experimental study using random forest classifiers [Texte imprimé et/ou numérique] / Charline GROSSARD, Auteur ; Arnaud DAPOGNY, Auteur ; David COHEN, Auteur ; Sacha BERNHEIM, Auteur ; Estelle JUILLET, Auteur ; Fanny HAMEL, Auteur ; Stéphanie HUN, Auteur ; Jérémy BOURGEOIS, Auteur ; Hugues PELLERIN, Auteur ; Sylvie SERRET, Auteur ; Kevin BAILLY, Auteur ; Laurence CHABY, Auteur . - 5 p.
Langues : Anglais (eng)
in Molecular Autism > 11 (2020) . - 5 p.
Mots-clés : Algorithm Autism spectrum disorder Emotion Facial expressions Index. décimale : PER Périodiques Résumé : BACKGROUND: Computer vision combined with human annotation could offer a novel method for exploring facial expression (FE) dynamics in children with autism spectrum disorder (ASD). METHODS: We recruited 157 children with typical development (TD) and 36 children with ASD in Paris and Nice to perform two experimental tasks to produce FEs with emotional valence. FEs were explored by judging ratings and by random forest (RF) classifiers. To do so, we located a set of 49 facial landmarks in the task videos, we generated a set of geometric and appearance features and we used RF classifiers to explore how children with ASD differed from TD children when producing FEs. RESULTS: Using multivariate models including other factors known to predict FEs (age, gender, intellectual quotient, emotion subtype, cultural background), ratings from expert raters showed that children with ASD had more difficulty producing FEs than TD children. In addition, when we explored how RF classifiers performed, we found that classification tasks, except for those for sadness, were highly accurate and that RF classifiers needed more facial landmarks to achieve the best classification for children with ASD. Confusion matrices showed that when RF classifiers were tested in children with ASD, anger was often confounded with happiness. LIMITATIONS: The sample size of the group of children with ASD was lower than that of the group of TD children. By using several control calculations, we tried to compensate for this limitation. CONCLUSION: Children with ASD have more difficulty producing socially meaningful FEs. The computer vision methods we used to explore FE dynamics also highlight that the production of FEs in children with ASD carries more ambiguity. En ligne : http://dx.doi.org/10.1186/s13229-020-0312-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=427
Titre : Les coeurs simples : Idiots, simplets, arriérés, crétins des Alpes et d'ailleurs... une anthologie Type de document : Texte imprimé et/ou numérique Auteurs : Albert ALGOUD, Auteur ; David COHEN, Préfacier, etc. ; David COHEN Editeur : Paris [France] : Casterman Année de publication : 2017 Importance : 226 p. Présentation : ill. ISBN/ISSN/EAN : 978-2-203-10189-0 Langues : Français (fre) Index. décimale : ROM Romans - Fictions Résumé : Amis lecteurs, vous trouverez ici un florilège de textes où sont évoqués, ou mis en scène, simples d'esprit, handicapés et attardés mentaux, idiots du village, simplets, mongoliens, fadas, arriérés, crétins des Alpes et d'ailleurs... Une façon, à travers ces personnages littéraires, de saluer ces exclus parmi les exclus que sont encore trop souvent, en ce xxie siècle bien entamé, les personnes handicapées mentales. Ces " coeurs simples " sont regardés avec humanité. Et si moquerie il peut y avoir, elle n'est presque jamais exempte de compassion, voire de tendresse désolée. Puisse leur lecture vous intéresser tant par leur qualité littéraire que par la singularité des personnages qui y sont évoqués. Il va sans dire que sans les dessinateurs et les illustrateurs qui ont personnifié à leur façon ces coeurs simples, cet ouvrage serait bien incomplet. Leur vision, pour être artistique, n'en est pas moins profondément humaine. [Résumé auteur/éditeur] Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=360 Les coeurs simples : Idiots, simplets, arriérés, crétins des Alpes et d'ailleurs... une anthologie [Texte imprimé et/ou numérique] / Albert ALGOUD, Auteur ; David COHEN, Préfacier, etc. ; David COHEN . - Paris [France] : Casterman, 2017 . - 226 p. : ill.
ISBN : 978-2-203-10189-0
Langues : Français (fre)
Index. décimale : ROM Romans - Fictions Résumé : Amis lecteurs, vous trouverez ici un florilège de textes où sont évoqués, ou mis en scène, simples d'esprit, handicapés et attardés mentaux, idiots du village, simplets, mongoliens, fadas, arriérés, crétins des Alpes et d'ailleurs... Une façon, à travers ces personnages littéraires, de saluer ces exclus parmi les exclus que sont encore trop souvent, en ce xxie siècle bien entamé, les personnes handicapées mentales. Ces " coeurs simples " sont regardés avec humanité. Et si moquerie il peut y avoir, elle n'est presque jamais exempte de compassion, voire de tendresse désolée. Puisse leur lecture vous intéresser tant par leur qualité littéraire que par la singularité des personnages qui y sont évoqués. Il va sans dire que sans les dessinateurs et les illustrateurs qui ont personnifié à leur façon ces coeurs simples, cet ouvrage serait bien incomplet. Leur vision, pour être artistique, n'en est pas moins profondément humaine. [Résumé auteur/éditeur] Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=360 Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité DOC0004386 ROM COL Livre Centre d'Information et de Documentation du CRA Rhône-Alpes ROM - Romans - Fictions Disponible PermalinkPermalinkDifferential language markers of pathology in Autism, Pervasive Developmental Disorder Not Otherwise Specified and Specific Language Impairment / Julie DEMOUY in Research in Autism Spectrum Disorders, 5-4 (October-December 2011)
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PermalinkDoes epilepsy in multiplex autism pedigrees define a different subgroup in terms of clinical characteristics and genetic risk? / Claire AMIET in Molecular Autism, (December 2013)
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PermalinkDyadic Effect of Coping on the Perceived Impact of ASD of Children on Parental Quality of Life: Report from the ELENA Cohort / Leïla BRILLET in Journal of Autism and Developmental Disorders, 53-1 (January 2023)
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PermalinkPermalinkErratum : Brief Report: Visual–Spatial Deficit in a 16-year-old Girl with Maternally derived Duplication of Proximal 15q / David COHEN in Journal of Autism and Developmental Disorders, 37-8 (September 2007)
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PermalinkEtat des connaissances actuelles et apports des recherches biologiques dans l'autisme : de la mise en place d'un bilan diagnostique systématique à une éthique des investigations paracliniques / Sylvie TORDJMAN in Contraste Enfance et handicap, 25 (2ème semestre 2006)
PermalinkPermalinkHave information and communication technologies research for neurodevelopmental disorders improved overtime? A systematic meta-review / Carlotta BETTENCOURT in Research in Autism Spectrum Disorders, 118 (October 2024)
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