Autism Heterogeneity in a Densely Sampled U.S. Population: Results From the First 1,000 Participants in the RI-CART Study / Carolyn MCCORMICK in Autism Research, 13-3 (March 2020)  

Public ISBD [article]  inAutism Research > 13-3 (March 2020) . - p.474-488 Titre : Autism Heterogeneity in a Densely Sampled U.S. Population: Results From the First 1,000 Participants in the RI-CART Study Type de document : texte imprimé Auteurs : Carolyn MCCORMICK, Auteur ; Brian C. KAVANAUGH, Auteur ; Danielle SIPSOCK, Auteur ; Giulia RIGHI, Auteur ; Lindsay M. OBERMAN, Auteur ; Daniel MORENO DE LUCA, Auteur ; Ece D. GAMSIZ UZUN, Auteur ; Carrie R. BEST, Auteur ; Beth A. JERSKEY, Auteur ; Joanne G. QUINN, Auteur ; Susan B. JEWEL, Auteur ; Pei-Chi WU, Auteur ; Rebecca L. MCLEAN, Auteur ; Todd P. LEVINE, Auteur ; Hasmik TOKADJIAN, Auteur ; Kayla A. PERKINS, Auteur ; Elaine B. CLARKE, Auteur ; Brittany DUNN, Auteur ; Alan H. GERBER, Auteur ; Elena J. TENENBAUM, Auteur ; Thomas F. ANDERS, Auteur Article en page(s) : p.474-488 Langues : Anglais (eng) Mots-clés : autism spectrum disorder  comorbidity  female autism  population study  registry Index. décimale : PER Périodiques Résumé : The objective of this study was to establish a large, densely sampled, U.S. population-based cohort of people with autism spectrum disorder (ASD). The Rhode Island Consortium for Autism Research and Treatment (RI-CART) represents a unique public-private-academic collaboration involving all major points of service for families in Rhode Island affected by ASD. Diagnosis was based on direct behavioral observation via the Autism Diagnostic Observation Schedule, Second Edition. For the first 1,000 participants, ages ranged from 21 months to 64 years. Using Geographic Information System and published prevalence rates, the overall cohort is estimated to represent between 20% and 49% of pediatric age persons in Rhode Island with ASD, with demographics representative of U.S. Census. We observed a high rate of co-occurring medical and psychiatric conditions in affected individuals. Among the most prominent findings of immediate clinical importance, we found that females received a first diagnosis of ASD at a later age than males, potentially due to more advanced language abilities in females with ASD. In summary, this is the first analysis of a large, population-based U.S. cohort with ASD. Given the depth of sampling, the RI-CART study reflects an important new resource for studying ASD in a representative U.S. population. Psychiatric and medical comorbidities in ASD constitute a substantial burden and warrant adequate attention as part of overall treatment. Our study also suggests that new strategies for earlier diagnosis of ASD in females may be warranted. Autism Res 2020, 13: 474-488. (c) 2020 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: The Rhode Island Consortium for Autism Research and Treatment (RI-CART) represents a unique public-private-academic collaboration involving all major points of service for families in Rhode Island affected by autism spectrum disorder (ASD). In this article, we provide results from the first 1,000 participants, estimated to represent >20% of affected families in the state. Importantly, we find a later age at first diagnosis of ASD in females, which potentially calls attention to the need for improved early diagnosis in girls. Also, we report a high rate of co-occurring medical and psychiatric conditions in affected individuals. En ligne : http://dx.doi.org/10.1002/aur.2261 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=421 [article] Autism Heterogeneity in a Densely Sampled U.S. Population: Results From the First 1,000 Participants in the RI-CART Study [texte imprimé] / Carolyn MCCORMICK, Auteur ; Brian C. KAVANAUGH, Auteur ; Danielle SIPSOCK, Auteur ; Giulia RIGHI, Auteur ; Lindsay M. OBERMAN, Auteur ; Daniel MORENO DE LUCA, Auteur ; Ece D. GAMSIZ UZUN, Auteur ; Carrie R. BEST, Auteur ; Beth A. JERSKEY, Auteur ; Joanne G. QUINN, Auteur ; Susan B. JEWEL, Auteur ; Pei-Chi WU, Auteur ; Rebecca L. MCLEAN, Auteur ; Todd P. LEVINE, Auteur ; Hasmik TOKADJIAN, Auteur ; Kayla A. PERKINS, Auteur ; Elaine B. CLARKE, Auteur ; Brittany DUNN, Auteur ; Alan H. GERBER, Auteur ; Elena J. TENENBAUM, Auteur ; Thomas F. ANDERS, Auteur . - p.474-488. Langues : Anglais (eng) in Autism Research > 13-3 (March 2020) . - p.474-488 Mots-clés : autism spectrum disorder  comorbidity  female autism  population study  registry Index. décimale : PER Périodiques Résumé : The objective of this study was to establish a large, densely sampled, U.S. population-based cohort of people with autism spectrum disorder (ASD). The Rhode Island Consortium for Autism Research and Treatment (RI-CART) represents a unique public-private-academic collaboration involving all major points of service for families in Rhode Island affected by ASD. Diagnosis was based on direct behavioral observation via the Autism Diagnostic Observation Schedule, Second Edition. For the first 1,000 participants, ages ranged from 21 months to 64 years. Using Geographic Information System and published prevalence rates, the overall cohort is estimated to represent between 20% and 49% of pediatric age persons in Rhode Island with ASD, with demographics representative of U.S. Census. We observed a high rate of co-occurring medical and psychiatric conditions in affected individuals. Among the most prominent findings of immediate clinical importance, we found that females received a first diagnosis of ASD at a later age than males, potentially due to more advanced language abilities in females with ASD. In summary, this is the first analysis of a large, population-based U.S. cohort with ASD. Given the depth of sampling, the RI-CART study reflects an important new resource for studying ASD in a representative U.S. population. Psychiatric and medical comorbidities in ASD constitute a substantial burden and warrant adequate attention as part of overall treatment. Our study also suggests that new strategies for earlier diagnosis of ASD in females may be warranted. Autism Res 2020, 13: 474-488. (c) 2020 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: The Rhode Island Consortium for Autism Research and Treatment (RI-CART) represents a unique public-private-academic collaboration involving all major points of service for families in Rhode Island affected by autism spectrum disorder (ASD). In this article, we provide results from the first 1,000 participants, estimated to represent >20% of affected families in the state. Importantly, we find a later age at first diagnosis of ASD in females, which potentially calls attention to the need for improved early diagnosis in girls. Also, we report a high rate of co-occurring medical and psychiatric conditions in affected individuals. En ligne : http://dx.doi.org/10.1002/aur.2261 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=421

Embodied Perspective on Emotion-Cognition Interactions / Piotr WINKIELMAN

Public ISBD contenu dans Mirror Neuron Systems / Jaime A. PINEDA Titre : Embodied Perspective on Emotion-Cognition Interactions Type de document : texte imprimé Auteurs : Piotr WINKIELMAN, Auteur ; Lindsay M. OBERMAN, Auteur ; Paula M. NIEDENTHAL, Auteur Année de publication : 2009 Importance : p.235-257 Langues : Anglais (eng) Index. décimale : PAR-G PAR-G - Imitation Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=996 contenu dans Mirror Neuron Systems / Jaime A. PINEDA Embodied Perspective on Emotion-Cognition Interactions [texte imprimé] / Piotr WINKIELMAN, Auteur ; Lindsay M. OBERMAN, Auteur ; Paula M. NIEDENTHAL, Auteur . - 2009 . - p.235-257. Langues : Anglais (eng) Index. décimale : PAR-G PAR-G - Imitation Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=996

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Isolating Visual and Proprioceptive Components of Motor Sequence Learning in ASD / Elizabeth A. SHARER in Autism Research, 9-5 (May 2016)  

Public ISBD [article]  inAutism Research > 9-5 (May 2016) . - p.563-569 Titre : Isolating Visual and Proprioceptive Components of Motor Sequence Learning in ASD Type de document : texte imprimé Auteurs : Elizabeth A. SHARER, Auteur ; Stewart H. MOSTOFSKY, Auteur ; Alvaro PASCUAL-LEONE, Auteur ; Lindsay M. OBERMAN, Auteur Article en page(s) : p.563-569 Langues : Anglais (eng) Mots-clés : serial reaction time task  ASD  motor learning  proprioception Index. décimale : PER Périodiques Résumé : In addition to defining impairments in social communication skills, individuals with autism spectrum disorder (ASD) also show impairments in more basic sensory and motor skills. Development of new skills involves integrating information from multiple sensory modalities. This input is then used to form internal models of action that can be accessed when both performing skilled movements, as well as understanding those actions performed by others. Learning skilled gestures is particularly reliant on integration of visual and proprioceptive input. We used a modified serial reaction time task (SRTT) to decompose proprioceptive and visual components and examine whether patterns of implicit motor skill learning differ in ASD participants as compared with healthy controls. While both groups learned the implicit motor sequence during training, healthy controls showed robust generalization whereas ASD participants demonstrated little generalization when visual input was constant. In contrast, no group differences in generalization were observed when proprioceptive input was constant, with both groups showing limited degrees of generalization. The findings suggest, when learning a motor sequence, individuals with ASD tend to rely less on visual feedback than do healthy controls. Visuomotor representations are considered to underlie imitative learning and action understanding and are thereby crucial to social skill and cognitive development. Thus, anomalous patterns of implicit motor learning, with a tendency to discount visual feedback, may be an important contributor in core social communication deficits that characterize ASD. En ligne : http://dx.doi.org/10.1002/aur.1537 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=289 [article] Isolating Visual and Proprioceptive Components of Motor Sequence Learning in ASD [texte imprimé] / Elizabeth A. SHARER, Auteur ; Stewart H. MOSTOFSKY, Auteur ; Alvaro PASCUAL-LEONE, Auteur ; Lindsay M. OBERMAN, Auteur . - p.563-569. Langues : Anglais (eng) in Autism Research > 9-5 (May 2016) . - p.563-569 Mots-clés : serial reaction time task  ASD  motor learning  proprioception Index. décimale : PER Périodiques Résumé : In addition to defining impairments in social communication skills, individuals with autism spectrum disorder (ASD) also show impairments in more basic sensory and motor skills. Development of new skills involves integrating information from multiple sensory modalities. This input is then used to form internal models of action that can be accessed when both performing skilled movements, as well as understanding those actions performed by others. Learning skilled gestures is particularly reliant on integration of visual and proprioceptive input. We used a modified serial reaction time task (SRTT) to decompose proprioceptive and visual components and examine whether patterns of implicit motor skill learning differ in ASD participants as compared with healthy controls. While both groups learned the implicit motor sequence during training, healthy controls showed robust generalization whereas ASD participants demonstrated little generalization when visual input was constant. In contrast, no group differences in generalization were observed when proprioceptive input was constant, with both groups showing limited degrees of generalization. The findings suggest, when learning a motor sequence, individuals with ASD tend to rely less on visual feedback than do healthy controls. Visuomotor representations are considered to underlie imitative learning and action understanding and are thereby crucial to social skill and cognitive development. Thus, anomalous patterns of implicit motor learning, with a tendency to discount visual feedback, may be an important contributor in core social communication deficits that characterize ASD. En ligne : http://dx.doi.org/10.1002/aur.1537 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=289

Reflections on the Mirror Neuron System: Their Evolutionary Functions Beyond Motor Representation / Lindsay M. OBERMAN

Public ISBD contenu dans Mirror Neuron Systems / Jaime A. PINEDA Titre : Reflections on the Mirror Neuron System: Their Evolutionary Functions Beyond Motor Representation Type de document : texte imprimé Auteurs : Lindsay M. OBERMAN, Auteur ; Vilayanur S. RAMACHANDRAN, Auteur Année de publication : 2009 Importance : p.39-59 Langues : Anglais (eng) Index. décimale : PAR-G PAR-G - Imitation Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=995 contenu dans Mirror Neuron Systems / Jaime A. PINEDA Reflections on the Mirror Neuron System: Their Evolutionary Functions Beyond Motor Representation [texte imprimé] / Lindsay M. OBERMAN, Auteur ; Vilayanur S. RAMACHANDRAN, Auteur . - 2009 . - p.39-59. Langues : Anglais (eng) Index. décimale : PAR-G PAR-G - Imitation Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=995

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Transcranial magnetic stimulation in autism spectrum disorder: Challenges, promise, and roadmap for future research / Lindsay M. OBERMAN in Autism Research, 9-2 (February 2016)  

Public ISBD [article]  inAutism Research > 9-2 (February 2016) . - p.184-203 Titre : Transcranial magnetic stimulation in autism spectrum disorder: Challenges, promise, and roadmap for future research Type de document : texte imprimé Auteurs : Lindsay M. OBERMAN, Auteur ; Peter G. ENTICOTT, Auteur ; Manuel F. CASANOVA, Auteur ; Alexander ROTENBERG, Auteur ; Alvaro PASCUAL-LEONE, Auteur ; James T. MCCRACKEN, Auteur ; THE TMS IN ASD CONSENSUS GROUP, Auteur Article en page(s) : p.184-203 Langues : Anglais (eng) Mots-clés : autism spectrum disorder  transcranial magnetic stimulation  consensus  review  treatment Index. décimale : PER Périodiques Résumé : Autism Spectrum Disorder (ASD) is a behaviorally defined complex neurodevelopmental syndrome characterized by impairments in social communication, by the presence of restricted and repetitive behaviors, interests and activities, and by abnormalities in sensory reactivity. Transcranial magnetic stimulation (TMS) is a promising, emerging tool for the study and potential treatment of ASD. Recent studies suggest that TMS measures provide rapid and noninvasive pathophysiological ASD biomarkers. Furthermore, repetitive TMS (rTMS) may represent a novel treatment strategy for reducing some of the core and associated ASD symptoms. However, the available literature on the TMS use in ASD is preliminary, composed of studies with methodological limitations. Thus, off-label clinical rTMS use for therapeutic interventions in ASD without an investigational device exemption and outside of an IRB approved research trial is premature pending further, adequately powered and controlled trials. Leaders in this field have gathered annually for a two-day conference (prior to the 2014 and 2015 International Meeting for Autism Research, IMFAR) to share recent progress, promote collaboration across laboratories, and establish consensus on protocols. Here we review the literature in the use of TMS in ASD in the context of the unique challenges required for the study and exploration of treatment strategies in this population. We also suggest future directions for this field of investigations. While its true potential in ASD has yet to be delineated, TMS represents an innovative research tool and a novel, possibly transformative approach to the treatment of neurodevelopmental disorders. En ligne : http://dx.doi.org/10.1002/aur.1567 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=282 [article] Transcranial magnetic stimulation in autism spectrum disorder: Challenges, promise, and roadmap for future research [texte imprimé] / Lindsay M. OBERMAN, Auteur ; Peter G. ENTICOTT, Auteur ; Manuel F. CASANOVA, Auteur ; Alexander ROTENBERG, Auteur ; Alvaro PASCUAL-LEONE, Auteur ; James T. MCCRACKEN, Auteur ; THE TMS IN ASD CONSENSUS GROUP, Auteur . - p.184-203. Langues : Anglais (eng) in Autism Research > 9-2 (February 2016) . - p.184-203 Mots-clés : autism spectrum disorder  transcranial magnetic stimulation  consensus  review  treatment Index. décimale : PER Périodiques Résumé : Autism Spectrum Disorder (ASD) is a behaviorally defined complex neurodevelopmental syndrome characterized by impairments in social communication, by the presence of restricted and repetitive behaviors, interests and activities, and by abnormalities in sensory reactivity. Transcranial magnetic stimulation (TMS) is a promising, emerging tool for the study and potential treatment of ASD. Recent studies suggest that TMS measures provide rapid and noninvasive pathophysiological ASD biomarkers. Furthermore, repetitive TMS (rTMS) may represent a novel treatment strategy for reducing some of the core and associated ASD symptoms. However, the available literature on the TMS use in ASD is preliminary, composed of studies with methodological limitations. Thus, off-label clinical rTMS use for therapeutic interventions in ASD without an investigational device exemption and outside of an IRB approved research trial is premature pending further, adequately powered and controlled trials. Leaders in this field have gathered annually for a two-day conference (prior to the 2014 and 2015 International Meeting for Autism Research, IMFAR) to share recent progress, promote collaboration across laboratories, and establish consensus on protocols. Here we review the literature in the use of TMS in ASD in the context of the unique challenges required for the study and exploration of treatment strategies in this population. We also suggest future directions for this field of investigations. While its true potential in ASD has yet to be delineated, TMS represents an innovative research tool and a novel, possibly transformative approach to the treatment of neurodevelopmental disorders. En ligne : http://dx.doi.org/10.1002/aur.1567 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=282

Use of Transcranial Magnetic Stimulation in Autism Spectrum Disorders / Lindsay M. OBERMAN in Journal of Autism and Developmental Disorders, 45-2 (February 2015)  

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