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Auteur S. A. GREEN |
Documents disponibles écrits par cet auteur (2)
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Associations between physiological and neural measures of sensory reactivity in youth with autism / J. JUNG in Journal of Child Psychology and Psychiatry, 62-10 (October 2021)
[article]
Titre : Associations between physiological and neural measures of sensory reactivity in youth with autism Type de document : Texte imprimé et/ou numérique Auteurs : J. JUNG, Auteur ; T. D. ZBOZINEK, Auteur ; K. K. CUMMINGS, Auteur ; F. H. WILHELM, Auteur ; Mirella DAPRETTO, Auteur ; M. G. CRASKE, Auteur ; Susan Y. BOOKHEIMER, Auteur ; S. A. GREEN, Auteur Article en page(s) : p.1183-1194 Langues : Anglais (eng) Mots-clés : Adolescent Attention Autism Spectrum Disorder Autistic Disorder Brain/diagnostic imaging Child Humans Magnetic Resonance Imaging Autism spectrum disorders fMRI physiology sensory over-responsivity Index. décimale : PER Périodiques Résumé : BACKGROUND: Individuals with Autism Spectrum Disorder (ASD) commonly show sensory over-responsivity (SOR), an impairing condition related to over-reactive brain and behavioral responses to aversive stimuli. While individuals with ASD often show atypically high physiological arousal, it is unclear how this relates to sensory reactivity. We therefore investigated how physiological arousal relates to brain and behavioral indices of SOR, to inform understanding of the biological mechanisms underlying SOR and to determine whether physiological measures are associated with SOR-related brain responses. METHODS: Youth aged 8-18 (49 ASD; 30 age- and performance-IQ-matched typically developing (TD)) experienced mildly aversive tactile and auditory stimuli first during functional magnetic resonance imaging (N = 41 ASD, 26 TD) and then during skin conductance (SCR) (N = 48 ASD, 28 TD) and heart rate (HR) measurements (N = 48 ASD, 30 TD). Parents reported on their children's SOR severity. RESULTS: Autism Spectrum Disorder youth overall displayed greater SCR to aversive sensory stimulation than TD youth and greater baseline HR. Within ASD, higher SOR was associated with higher mean HR across all stimuli after controlling for baseline HR. Furthermore, the ASD group overall, and the ASD-high-SOR group in particular, showed reduced HR deceleration/greater acceleration to sensory stimulation compared to the TD group. Both SCR and HR were associated with brain responses to sensory stimulation in regions previously associated with SOR and sensory regulation. CONCLUSIONS: Autism Spectrum Disorder youth displayed heightened physiological arousal to mildly aversive sensory stimulation, with HR responses in particular showing associations with brain and behavioral measures of SOR. These results have implications for using psychophysiological measures to assess SOR, particularly in individuals with ASD who cannot undergo MRI. En ligne : http://dx.doi.org/10.1111/jcpp.13387 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456
in Journal of Child Psychology and Psychiatry > 62-10 (October 2021) . - p.1183-1194[article] Associations between physiological and neural measures of sensory reactivity in youth with autism [Texte imprimé et/ou numérique] / J. JUNG, Auteur ; T. D. ZBOZINEK, Auteur ; K. K. CUMMINGS, Auteur ; F. H. WILHELM, Auteur ; Mirella DAPRETTO, Auteur ; M. G. CRASKE, Auteur ; Susan Y. BOOKHEIMER, Auteur ; S. A. GREEN, Auteur . - p.1183-1194.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 62-10 (October 2021) . - p.1183-1194
Mots-clés : Adolescent Attention Autism Spectrum Disorder Autistic Disorder Brain/diagnostic imaging Child Humans Magnetic Resonance Imaging Autism spectrum disorders fMRI physiology sensory over-responsivity Index. décimale : PER Périodiques Résumé : BACKGROUND: Individuals with Autism Spectrum Disorder (ASD) commonly show sensory over-responsivity (SOR), an impairing condition related to over-reactive brain and behavioral responses to aversive stimuli. While individuals with ASD often show atypically high physiological arousal, it is unclear how this relates to sensory reactivity. We therefore investigated how physiological arousal relates to brain and behavioral indices of SOR, to inform understanding of the biological mechanisms underlying SOR and to determine whether physiological measures are associated with SOR-related brain responses. METHODS: Youth aged 8-18 (49 ASD; 30 age- and performance-IQ-matched typically developing (TD)) experienced mildly aversive tactile and auditory stimuli first during functional magnetic resonance imaging (N = 41 ASD, 26 TD) and then during skin conductance (SCR) (N = 48 ASD, 28 TD) and heart rate (HR) measurements (N = 48 ASD, 30 TD). Parents reported on their children's SOR severity. RESULTS: Autism Spectrum Disorder youth overall displayed greater SCR to aversive sensory stimulation than TD youth and greater baseline HR. Within ASD, higher SOR was associated with higher mean HR across all stimuli after controlling for baseline HR. Furthermore, the ASD group overall, and the ASD-high-SOR group in particular, showed reduced HR deceleration/greater acceleration to sensory stimulation compared to the TD group. Both SCR and HR were associated with brain responses to sensory stimulation in regions previously associated with SOR and sensory regulation. CONCLUSIONS: Autism Spectrum Disorder youth displayed heightened physiological arousal to mildly aversive sensory stimulation, with HR responses in particular showing associations with brain and behavioral measures of SOR. These results have implications for using psychophysiological measures to assess SOR, particularly in individuals with ASD who cannot undergo MRI. En ligne : http://dx.doi.org/10.1111/jcpp.13387 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456 How sex of children with autism spectrum disorders and access to treatment services relates to parental stress / Irina ZAMORA in Autism Research and Treatment, 2014 (2014)
[article]
Titre : How sex of children with autism spectrum disorders and access to treatment services relates to parental stress Type de document : Texte imprimé et/ou numérique Auteurs : Irina ZAMORA, Auteur ; E. K. HARLEY, Auteur ; S. A. GREEN, Auteur ; K. SMITH, Auteur ; M. D. KIPKE, Auteur Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Parents of children with autism spectrum disorders (ASD) experience higher levels of stress in comparison to parents of neurotypical children and consequently are more susceptible to negative health and social outcomes (Dunn et al., 2001). However, less is known about how individual child characteristics impact stress levels in parents of children with ASD. In this study, we examined the relationship between individual characteristics (i.e., sex) of children with ASD and parental stress. Access to comprehensive treatment services was also examined as a contributing factor to parental stress. Parenting stress was higher for parents of girls than for parents of boys, and for parents of girls (but not boys) fewer services predicted higher parental distress. Findings highlight the importance of providing parents of girls with ASD with more tailored support. En ligne : http://dx.doi.org/10.1155/2014/721418 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=332
in Autism Research and Treatment > 2014 (2014)[article] How sex of children with autism spectrum disorders and access to treatment services relates to parental stress [Texte imprimé et/ou numérique] / Irina ZAMORA, Auteur ; E. K. HARLEY, Auteur ; S. A. GREEN, Auteur ; K. SMITH, Auteur ; M. D. KIPKE, Auteur.
Langues : Anglais (eng)
in Autism Research and Treatment > 2014 (2014)
Index. décimale : PER Périodiques Résumé : Parents of children with autism spectrum disorders (ASD) experience higher levels of stress in comparison to parents of neurotypical children and consequently are more susceptible to negative health and social outcomes (Dunn et al., 2001). However, less is known about how individual child characteristics impact stress levels in parents of children with ASD. In this study, we examined the relationship between individual characteristics (i.e., sex) of children with ASD and parental stress. Access to comprehensive treatment services was also examined as a contributing factor to parental stress. Parenting stress was higher for parents of girls than for parents of boys, and for parents of girls (but not boys) fewer services predicted higher parental distress. Findings highlight the importance of providing parents of girls with ASD with more tailored support. En ligne : http://dx.doi.org/10.1155/2014/721418 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=332