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Resting and Functional Pupil Response Metrics Indicate Features of Reward Sensitivity and ASD in Children / A. S. DICRISCIO in Journal of Autism and Developmental Disorders, 51-7 (July 2021)
[article]
Titre : Resting and Functional Pupil Response Metrics Indicate Features of Reward Sensitivity and ASD in Children Type de document : Texte imprimé et/ou numérique Auteurs : A. S. DICRISCIO, Auteur ; V. TROIANI, Auteur Article en page(s) : p.2416-2435 Langues : Anglais (eng) Mots-clés : Adolescent Autism Spectrum Disorder/physiopathology/psychology Benchmarking Biological Variation, Population Child Child, Preschool Female Humans Individuality Intelligence Logistic Models Male Punishment/psychology Pupil/physiology Rest Reward Sex Factors Autism spectrum disorder Individual differences Motivation Punishment sensitivity Pupillometry Index. décimale : PER Périodiques Résumé : The current study examined the relationship between quantitative measures of reward and punishment sensitivity, features of autism spectrum disorder (ASD), and resting and functional pupil response metrics across a clinically heterogeneous sample. Scores on a parent-report measure of punishment and reward sensitivity were correlated with ASD features. We also assessed whether pupil measurements could be used as a physiologic correlate of reward sensitivity and predictor of ASD diagnosis. In a logistic regression model, pupil dilation metrics, sex, and IQ, correctly classified 86.3% of participants as having an ASD diagnosis versus not. This research highlights individual differences of reward sensitivity associated with ASD features. Results support the use of pupil metrics and other patient-level variables as predictors of ASD diagnostic status. En ligne : http://dx.doi.org/10.1007/s10803-020-04721-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=452
in Journal of Autism and Developmental Disorders > 51-7 (July 2021) . - p.2416-2435[article] Resting and Functional Pupil Response Metrics Indicate Features of Reward Sensitivity and ASD in Children [Texte imprimé et/ou numérique] / A. S. DICRISCIO, Auteur ; V. TROIANI, Auteur . - p.2416-2435.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 51-7 (July 2021) . - p.2416-2435
Mots-clés : Adolescent Autism Spectrum Disorder/physiopathology/psychology Benchmarking Biological Variation, Population Child Child, Preschool Female Humans Individuality Intelligence Logistic Models Male Punishment/psychology Pupil/physiology Rest Reward Sex Factors Autism spectrum disorder Individual differences Motivation Punishment sensitivity Pupillometry Index. décimale : PER Périodiques Résumé : The current study examined the relationship between quantitative measures of reward and punishment sensitivity, features of autism spectrum disorder (ASD), and resting and functional pupil response metrics across a clinically heterogeneous sample. Scores on a parent-report measure of punishment and reward sensitivity were correlated with ASD features. We also assessed whether pupil measurements could be used as a physiologic correlate of reward sensitivity and predictor of ASD diagnosis. In a logistic regression model, pupil dilation metrics, sex, and IQ, correctly classified 86.3% of participants as having an ASD diagnosis versus not. This research highlights individual differences of reward sensitivity associated with ASD features. Results support the use of pupil metrics and other patient-level variables as predictors of ASD diagnostic status. En ligne : http://dx.doi.org/10.1007/s10803-020-04721-y Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=452 Context-dependent amygdala-prefrontal connectivity in youths with autism spectrum disorder / Isaac Ray CHRISTIAN in Research in Autism Spectrum Disorders, 91 (March 2022)
[article]
Titre : Context-dependent amygdala-prefrontal connectivity in youths with autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : Isaac Ray CHRISTIAN, Auteur ; Michael T. LIUZZI, Auteur ; Qiongru YU, Auteur ; Maria KRYZA-LACOMBE, Auteur ; Christopher S. MONK, Auteur ; Johanna M. JARCHO, Auteur ; Jillian Lee WIGGINS, Auteur Année de publication : 2022 Article en page(s) : 101913 Langues : Anglais (eng) Mots-clés : Autism Amygdala Connectivity Faces Rest Context Index. décimale : PER Périodiques Résumé : Background The amygdala-prefrontal cortex circuit is involved in processing socio-emotional cues and may partially mediate social impairment in autism spectrum disorder (ASD). Past task-based fMRI studies in ASD indicate a mix of hypo- and hyper-connectivity in response to socio-emotional stimuli whereas resting state studies report hypoconnectivity between these regions. However, it is still unknown whether ASD-related alterations in amygdala-prefrontal circuitry are present across socio-emotional tasks and resting state contexts within the same sample or instead, depend on context. Method ASD (n?=?47) and typically developing individuals (TD; n?=?72) underwent fMRI during an implicit emotional face processing task and during rest, and whole-brain amygdala connectivity was calculated to determine patterns that differed by context and diagnosis. Results Relative to TD, the ASD group demonstrated weaker left amygdala connectivity with the medial frontal gyrus and the left superior frontal gyrus during rest, but stronger connectivity during task. Furthermore, across both contexts, ASD vs. TD had stronger right amygdala connectivity with the left insula/superior temporal gyrus. Conclusion Findings suggest some alterations in amygdala connectivity of ASD may depend on context while others are pervasive across task and rest conditions. Understanding context-dependent brain alterations in ASD may help disambiguate the mechanisms subserving social impairment and provide targets for treatment. En ligne : https://doi.org/10.1016/j.rasd.2021.101913 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=458
in Research in Autism Spectrum Disorders > 91 (March 2022) . - 101913[article] Context-dependent amygdala-prefrontal connectivity in youths with autism spectrum disorder [Texte imprimé et/ou numérique] / Isaac Ray CHRISTIAN, Auteur ; Michael T. LIUZZI, Auteur ; Qiongru YU, Auteur ; Maria KRYZA-LACOMBE, Auteur ; Christopher S. MONK, Auteur ; Johanna M. JARCHO, Auteur ; Jillian Lee WIGGINS, Auteur . - 2022 . - 101913.
Langues : Anglais (eng)
in Research in Autism Spectrum Disorders > 91 (March 2022) . - 101913
Mots-clés : Autism Amygdala Connectivity Faces Rest Context Index. décimale : PER Périodiques Résumé : Background The amygdala-prefrontal cortex circuit is involved in processing socio-emotional cues and may partially mediate social impairment in autism spectrum disorder (ASD). Past task-based fMRI studies in ASD indicate a mix of hypo- and hyper-connectivity in response to socio-emotional stimuli whereas resting state studies report hypoconnectivity between these regions. However, it is still unknown whether ASD-related alterations in amygdala-prefrontal circuitry are present across socio-emotional tasks and resting state contexts within the same sample or instead, depend on context. Method ASD (n?=?47) and typically developing individuals (TD; n?=?72) underwent fMRI during an implicit emotional face processing task and during rest, and whole-brain amygdala connectivity was calculated to determine patterns that differed by context and diagnosis. Results Relative to TD, the ASD group demonstrated weaker left amygdala connectivity with the medial frontal gyrus and the left superior frontal gyrus during rest, but stronger connectivity during task. Furthermore, across both contexts, ASD vs. TD had stronger right amygdala connectivity with the left insula/superior temporal gyrus. Conclusion Findings suggest some alterations in amygdala connectivity of ASD may depend on context while others are pervasive across task and rest conditions. Understanding context-dependent brain alterations in ASD may help disambiguate the mechanisms subserving social impairment and provide targets for treatment. En ligne : https://doi.org/10.1016/j.rasd.2021.101913 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=458