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Auteur Luke D. SMILLIE |
Documents disponibles écrits par cet auteur (2)



Characterizing restricted and unusual interests in autistic youth / Luke D. SMILLIE ; Thomas W. FRAZIER ; Antonio Y. HARDAN ; Gail A. ALVARES ; Andrew J. O. WHITEHOUSE ; Mirko ULJAREVIĆ in Autism Research, 16-2 (February 2023)
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[article]
Titre : Characterizing restricted and unusual interests in autistic youth Type de document : Texte imprimé et/ou numérique Auteurs : Luke D. SMILLIE, Auteur ; Thomas W. FRAZIER, Auteur ; Antonio Y. HARDAN, Auteur ; Gail A. ALVARES, Auteur ; Andrew J. O. WHITEHOUSE, Auteur ; Mirko ULJAREVIĆ, Auteur Article en page(s) : p.394-405 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Abstract A broad range of interests characterized by unusual content and/or intensity, labeled as circumscribed interests (CI), are a core diagnostic feature of autism. Recent evidence suggests that a distinction can be drawn between interests that, although characterized by unusually high intensity and/or inflexibility, are otherwise common in terms of their content (e.g., an interest in movies or animals), labeled as restricted interests (RI), and interests that are generally not salient outside of autism (e.g., an interest in traffic lights or categorization), labeled as unusual interests (UI). The current study aimed to further characterize RI and UI by exploring their association with age, sex, IQ, and social motivation, as well as to examine differences in the adaptive benefits and negative impacts of these two subdomains. Parents of 1892 autistic children and adolescents (Mage = 10.82, SDage = 4.14; 420 females) completed an online survey including the Dimensional Assessment of Restricted and Repetitive Behaviors and the Social Communication Questionnaire. Both RI and UI were found to be highly frequent. Sex-based differences were observed in the content, but not intensity, of CI such that females were more likely to show interests with a social component. Finally, RI and UI showed distinct patterns of association with age, sex, IQ, and social motivation, as well as metrics of adaptive benefits and negative impacts. Findings afford a more nuanced understanding of sex-based differences in CI and, crucially, provide preliminary evidence that RI and UI represent distinct constructs that should be studied independently in future research. En ligne : https://doi.org/10.1002/aur.2863 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=496
in Autism Research > 16-2 (February 2023) . - p.394-405[article] Characterizing restricted and unusual interests in autistic youth [Texte imprimé et/ou numérique] / Luke D. SMILLIE, Auteur ; Thomas W. FRAZIER, Auteur ; Antonio Y. HARDAN, Auteur ; Gail A. ALVARES, Auteur ; Andrew J. O. WHITEHOUSE, Auteur ; Mirko ULJAREVIĆ, Auteur . - p.394-405.
Langues : Anglais (eng)
in Autism Research > 16-2 (February 2023) . - p.394-405
Index. décimale : PER Périodiques Résumé : Abstract A broad range of interests characterized by unusual content and/or intensity, labeled as circumscribed interests (CI), are a core diagnostic feature of autism. Recent evidence suggests that a distinction can be drawn between interests that, although characterized by unusually high intensity and/or inflexibility, are otherwise common in terms of their content (e.g., an interest in movies or animals), labeled as restricted interests (RI), and interests that are generally not salient outside of autism (e.g., an interest in traffic lights or categorization), labeled as unusual interests (UI). The current study aimed to further characterize RI and UI by exploring their association with age, sex, IQ, and social motivation, as well as to examine differences in the adaptive benefits and negative impacts of these two subdomains. Parents of 1892 autistic children and adolescents (Mage = 10.82, SDage = 4.14; 420 females) completed an online survey including the Dimensional Assessment of Restricted and Repetitive Behaviors and the Social Communication Questionnaire. Both RI and UI were found to be highly frequent. Sex-based differences were observed in the content, but not intensity, of CI such that females were more likely to show interests with a social component. Finally, RI and UI showed distinct patterns of association with age, sex, IQ, and social motivation, as well as metrics of adaptive benefits and negative impacts. Findings afford a more nuanced understanding of sex-based differences in CI and, crucially, provide preliminary evidence that RI and UI represent distinct constructs that should be studied independently in future research. En ligne : https://doi.org/10.1002/aur.2863 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=496 Characterizing subdomains of insistence on sameness in autistic youth / Luke D. SMILLIE ; Thomas W. FRAZIER ; Antonio Y. HARDAN ; Mirko ULJAREVI? in Autism Research, 16-12 (December 2023)
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[article]
Titre : Characterizing subdomains of insistence on sameness in autistic youth Type de document : Texte imprimé et/ou numérique Auteurs : Luke D. SMILLIE, Auteur ; Thomas W. FRAZIER, Auteur ; Antonio Y. HARDAN, Auteur ; Mirko ULJAREVI?, Auteur Article en page(s) : p.2326-2335 Index. décimale : PER Périodiques Résumé : Abstract Insistence on sameness (IS) encompasses a range of behavioral patterns, including resistance to change, routines, and ritualized behaviors, that can be present across social and non-social contexts. Given the breadth of behaviors encompassed by IS, it is important to determine whether this domain is best conceptualized and measured as uni- or a multi-dimensional construct. Therefore, the current study aimed to characterize the structure of IS and explore potentially distinct of patterns of associations between identified IS factors and relevant correlates, including age, sex, IQ, anxiety, social abilities, emotional and behavioral dysregulation, and sensory hypersensitivity. Exploratory graph analysis was conducted using the dimensional assessment of restricted and repetitive behaviors to examine the structure of IS in a sample 1892 autistic youth (Mage = 10.82, SDage = 4.14; range: 3-18?years; 420 females) recruited from the Simons Foundation Powering Autism Research for Knowledge cohort. Three distinct IS subdomains labeled as IS-Ritualistic/sameness, IS-Routines, and IS-Others (referring to IS behaviors during interactions with others) were identified. Generalized additive models demonstrated that each of the IS subdomains showed a unique pattern of association with key variables. More specifically, while sensory hypersensitivity was significantly associated with IS-Ritualistic/sameness and IS-Routines, it was not associated with IS-Others. Further, while emotional dysregulation was a unique predictor of IS-Ritualistic/sameness (but not IS-Routines or IS-Others), social interaction abilities were a unique predictor of IS-Routines (but not IS-Ritualistic/sameness or IS-Others). Current findings provide preliminary evidence that the IS may encompass several distinct subdomains. En ligne : https://doi.org/10.1002/aur.3033 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=518
in Autism Research > 16-12 (December 2023) . - p.2326-2335[article] Characterizing subdomains of insistence on sameness in autistic youth [Texte imprimé et/ou numérique] / Luke D. SMILLIE, Auteur ; Thomas W. FRAZIER, Auteur ; Antonio Y. HARDAN, Auteur ; Mirko ULJAREVI?, Auteur . - p.2326-2335.
in Autism Research > 16-12 (December 2023) . - p.2326-2335
Index. décimale : PER Périodiques Résumé : Abstract Insistence on sameness (IS) encompasses a range of behavioral patterns, including resistance to change, routines, and ritualized behaviors, that can be present across social and non-social contexts. Given the breadth of behaviors encompassed by IS, it is important to determine whether this domain is best conceptualized and measured as uni- or a multi-dimensional construct. Therefore, the current study aimed to characterize the structure of IS and explore potentially distinct of patterns of associations between identified IS factors and relevant correlates, including age, sex, IQ, anxiety, social abilities, emotional and behavioral dysregulation, and sensory hypersensitivity. Exploratory graph analysis was conducted using the dimensional assessment of restricted and repetitive behaviors to examine the structure of IS in a sample 1892 autistic youth (Mage = 10.82, SDage = 4.14; range: 3-18?years; 420 females) recruited from the Simons Foundation Powering Autism Research for Knowledge cohort. Three distinct IS subdomains labeled as IS-Ritualistic/sameness, IS-Routines, and IS-Others (referring to IS behaviors during interactions with others) were identified. Generalized additive models demonstrated that each of the IS subdomains showed a unique pattern of association with key variables. More specifically, while sensory hypersensitivity was significantly associated with IS-Ritualistic/sameness and IS-Routines, it was not associated with IS-Others. Further, while emotional dysregulation was a unique predictor of IS-Ritualistic/sameness (but not IS-Routines or IS-Others), social interaction abilities were a unique predictor of IS-Routines (but not IS-Ritualistic/sameness or IS-Others). Current findings provide preliminary evidence that the IS may encompass several distinct subdomains. En ligne : https://doi.org/10.1002/aur.3033 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=518