Atypical autonomic nervous system complexity accompanies social cognition task performance in ASD / Hamidreza SAGHIR in Research in Autism Spectrum Disorders, 39 (July 2017)  

Public ISBD [article]  inResearch in Autism Spectrum Disorders > 39 (July 2017) . - p.54-62 Titre : Atypical autonomic nervous system complexity accompanies social cognition task performance in ASD Type de document : Texte imprimé et/ou numérique Auteurs : Hamidreza SAGHIR, Auteur ; Annie DUPUIS, Auteur ; Tom CHAU, Auteur ; Azadeh KUSHKI, Auteur Article en page(s) : p.54-62 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  Autonomic nervous system  Complexity analysis  Social cognition  RMET  Theory of mind  ASD in children Index. décimale : PER Périodiques Résumé : AbstractBackground Emerging evidence suggests that autonomic nervous system (ANS) function is affected in ASD. Existing literature has focused on quantifying the activity of ANS components (i.e. sympathetic/parasympathetic systems) individually. To this end, measures such as respiratory sinus arrhythmia (RSA) and high- and low-frequency spectral components of heart rate variability have been employed. Recent findings indicate that these methods employ assumptions that do not fully consider the complexity of the ANS system and the interaction of its components. To this end, we propose a new method for examining ANS function in ASD. Methods A sample of typically developing (TD) children (n = 34) and children with ASD (n = 45) performed the Reading the Mind in the Eyes Task (RMET), preceded and followed by periods of baseline movie-watching. Multiscale Entropy (MSE) was employed as a new tool to examine the complexity of the cardiac signal. Results Significant group differences in MSE emerged to suggest atypicality in the regularity of the autonomic signal at short and long time scales in the ASD group during the RMET task. Conclusions For the RMET task, our results may suggest atypical activation of parasympathetic influences on the heart, which contributes to short-term patterns in the heartbeat signal, as well as atypicalities in the slower acting processes. Results also suggest that the coupling between the fast-acting and slow-acting influences may be atypical in ASD during the examined social cognition task. En ligne : https://doi.org/10.1016/j.rasd.2017.04.004 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=308 [article] Atypical autonomic nervous system complexity accompanies social cognition task performance in ASD [Texte imprimé et/ou numérique] / Hamidreza SAGHIR, Auteur ; Annie DUPUIS, Auteur ; Tom CHAU, Auteur ; Azadeh KUSHKI, Auteur . - p.54-62. Langues : Anglais (eng) in Research in Autism Spectrum Disorders > 39 (July 2017) . - p.54-62 Mots-clés : Autism spectrum disorder  Autonomic nervous system  Complexity analysis  Social cognition  RMET  Theory of mind  ASD in children Index. décimale : PER Périodiques Résumé : AbstractBackground Emerging evidence suggests that autonomic nervous system (ANS) function is affected in ASD. Existing literature has focused on quantifying the activity of ANS components (i.e. sympathetic/parasympathetic systems) individually. To this end, measures such as respiratory sinus arrhythmia (RSA) and high- and low-frequency spectral components of heart rate variability have been employed. Recent findings indicate that these methods employ assumptions that do not fully consider the complexity of the ANS system and the interaction of its components. To this end, we propose a new method for examining ANS function in ASD. Methods A sample of typically developing (TD) children (n = 34) and children with ASD (n = 45) performed the Reading the Mind in the Eyes Task (RMET), preceded and followed by periods of baseline movie-watching. Multiscale Entropy (MSE) was employed as a new tool to examine the complexity of the cardiac signal. Results Significant group differences in MSE emerged to suggest atypicality in the regularity of the autonomic signal at short and long time scales in the ASD group during the RMET task. Conclusions For the RMET task, our results may suggest atypical activation of parasympathetic influences on the heart, which contributes to short-term patterns in the heartbeat signal, as well as atypicalities in the slower acting processes. Results also suggest that the coupling between the fast-acting and slow-acting influences may be atypical in ASD during the examined social cognition task. En ligne : https://doi.org/10.1016/j.rasd.2017.04.004 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=308

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