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Heart rate-defined sustained attention in infants at risk for autism / B. L. TONNSEN in Journal of Neurodevelopmental Disorders, 10-1 (December 2018)
[article]
Titre : Heart rate-defined sustained attention in infants at risk for autism Type de document : Texte imprimé et/ou numérique Auteurs : B. L. TONNSEN, Auteur ; J. E. RICHARDS, Auteur ; J. E. ROBERTS, Auteur Article en page(s) : p.7 Langues : Anglais (eng) Mots-clés : Ados Autism Heart activity Infant siblings Sustained attention Index. décimale : PER Périodiques Résumé : BACKGROUND: Although aberrant visual attention has been identified in infants at high familial risk for autism, the developmental emergence of atypical attention remains unclear. Integrating biological measures of attention into prospective high-risk infant studies may inform more nuanced developmental trajectories, clarifying the onset and course of atypical attention and potentially advancing early screening or treatment protocols. Heart rate-defined sustained attention (HRDSA) is a well-validated biological measure of attentional engagement that, in non-clinical infant populations, provides incremental information about attentional engagement beyond looking behaviors alone. The present study aimed to examine the characteristics and clinical correlates of HRDSA in high-risk infants, informing whether HRDSA may operate as a promising biological measure of attention and clinical symptoms in this population. METHODS: We examined age-related patterns of HRDSA during a passive looking task in 5- to 14-month-old high-risk infant siblings of children with autism (n = 21) compared to low-risk controls (n = 21), with most participants contributing multiple assessments. Emergent autism features were measured using the Autism Diagnostic Observation Schedule at 24 months. Primary dependent variables included the proportion of time in behavioral attention, proportion of time in HRDSA, and average heart rate deceleration during HRDSA. For each variable, we used nested multilevel models to examine whether attention differed by group, as well as whether attention predicted emergent autism features among high-risk infant siblings. RESULTS: As expected, HRDSA served as a global biological measure of attention in high-risk infants, predicting greater variability in group risk status than behavioral looking alone. Among high-risk infants, more severe ASD features were also associated with increasingly shallow heart rate deceleration during HRDSA across development, suggesting abnormal qualities of HRDSA may inform individual differences within this population. CONCLUSIONS: These preliminary findings provide initial evidence that HRDSA may offer a sensitive, affordable, and portable biological measure of attention that may enhance understanding of atypical attention in high-risk infants. Using this method, we also provide initial evidence that atypical patterns of heart activity previously reported in children and adults with autism may emerge in the first year of life, warranting further study of how HRDSA may specifically inform attention profiles in ASD. En ligne : http://dx.doi.org/10.1186/s11689-018-9224-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=351
in Journal of Neurodevelopmental Disorders > 10-1 (December 2018) . - p.7[article] Heart rate-defined sustained attention in infants at risk for autism [Texte imprimé et/ou numérique] / B. L. TONNSEN, Auteur ; J. E. RICHARDS, Auteur ; J. E. ROBERTS, Auteur . - p.7.
Langues : Anglais (eng)
in Journal of Neurodevelopmental Disorders > 10-1 (December 2018) . - p.7
Mots-clés : Ados Autism Heart activity Infant siblings Sustained attention Index. décimale : PER Périodiques Résumé : BACKGROUND: Although aberrant visual attention has been identified in infants at high familial risk for autism, the developmental emergence of atypical attention remains unclear. Integrating biological measures of attention into prospective high-risk infant studies may inform more nuanced developmental trajectories, clarifying the onset and course of atypical attention and potentially advancing early screening or treatment protocols. Heart rate-defined sustained attention (HRDSA) is a well-validated biological measure of attentional engagement that, in non-clinical infant populations, provides incremental information about attentional engagement beyond looking behaviors alone. The present study aimed to examine the characteristics and clinical correlates of HRDSA in high-risk infants, informing whether HRDSA may operate as a promising biological measure of attention and clinical symptoms in this population. METHODS: We examined age-related patterns of HRDSA during a passive looking task in 5- to 14-month-old high-risk infant siblings of children with autism (n = 21) compared to low-risk controls (n = 21), with most participants contributing multiple assessments. Emergent autism features were measured using the Autism Diagnostic Observation Schedule at 24 months. Primary dependent variables included the proportion of time in behavioral attention, proportion of time in HRDSA, and average heart rate deceleration during HRDSA. For each variable, we used nested multilevel models to examine whether attention differed by group, as well as whether attention predicted emergent autism features among high-risk infant siblings. RESULTS: As expected, HRDSA served as a global biological measure of attention in high-risk infants, predicting greater variability in group risk status than behavioral looking alone. Among high-risk infants, more severe ASD features were also associated with increasingly shallow heart rate deceleration during HRDSA across development, suggesting abnormal qualities of HRDSA may inform individual differences within this population. CONCLUSIONS: These preliminary findings provide initial evidence that HRDSA may offer a sensitive, affordable, and portable biological measure of attention that may enhance understanding of atypical attention in high-risk infants. Using this method, we also provide initial evidence that atypical patterns of heart activity previously reported in children and adults with autism may emerge in the first year of life, warranting further study of how HRDSA may specifically inform attention profiles in ASD. En ligne : http://dx.doi.org/10.1186/s11689-018-9224-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=351 The Role of Attention in the Academic Attainment of Children with Autism Spectrum Disorder / Tamara MAY in Journal of Autism and Developmental Disorders, 43-9 (September 2013)
[article]
Titre : The Role of Attention in the Academic Attainment of Children with Autism Spectrum Disorder Type de document : Texte imprimé et/ou numérique Auteurs : Tamara MAY, Auteur ; Nicole J. RINEHART, Auteur ; John WILDING, Auteur ; Kim CORNISH, Auteur Article en page(s) : p.2147-2158 Langues : Anglais (eng) Mots-clés : Academic Autism spectrum disorder Reading Mathematics Attention switching Sustained attention Index. décimale : PER Périodiques Résumé : Academic attainment in children with Autism Spectrum Disorder (ASD) is under-studied, with associated factors largely undetermined. Parent-reported attention symptoms, attentional-switching and sustained-attention tasks were examined to determine relationships with mathematics and reading attainment in 124 children aged 7–12 years; sixty-four with high-functioning ASD, half girls, and sixty age- and gender-matched typical children (TYP). With full-scale IQ controlled there were no differences in mathematics, reading, attentional switching or sustained attention. In regression analysis, attentional switching was related to mathematics achievement in ASD but not TYP children. Findings highlight attentional switching difficulties are linked with poorer mathematics outcomes in ASD. En ligne : http://dx.doi.org/10.1007/s10803-013-1766-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=212
in Journal of Autism and Developmental Disorders > 43-9 (September 2013) . - p.2147-2158[article] The Role of Attention in the Academic Attainment of Children with Autism Spectrum Disorder [Texte imprimé et/ou numérique] / Tamara MAY, Auteur ; Nicole J. RINEHART, Auteur ; John WILDING, Auteur ; Kim CORNISH, Auteur . - p.2147-2158.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 43-9 (September 2013) . - p.2147-2158
Mots-clés : Academic Autism spectrum disorder Reading Mathematics Attention switching Sustained attention Index. décimale : PER Périodiques Résumé : Academic attainment in children with Autism Spectrum Disorder (ASD) is under-studied, with associated factors largely undetermined. Parent-reported attention symptoms, attentional-switching and sustained-attention tasks were examined to determine relationships with mathematics and reading attainment in 124 children aged 7–12 years; sixty-four with high-functioning ASD, half girls, and sixty age- and gender-matched typical children (TYP). With full-scale IQ controlled there were no differences in mathematics, reading, attentional switching or sustained attention. In regression analysis, attentional switching was related to mathematics achievement in ASD but not TYP children. Findings highlight attentional switching difficulties are linked with poorer mathematics outcomes in ASD. En ligne : http://dx.doi.org/10.1007/s10803-013-1766-2 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=212 Executive Function in MCDD and PDD-NOS: A Study of Inhibitory Control, Attention Regulation and Behavioral Adaptivity / Sophie RIJN in Journal of Autism and Developmental Disorders, 43-6 (June 2013)
[article]
Titre : Executive Function in MCDD and PDD-NOS: A Study of Inhibitory Control, Attention Regulation and Behavioral Adaptivity Type de document : Texte imprimé et/ou numérique Auteurs : Sophie RIJN, Auteur ; Leo SONNEVILLE, Auteur ; Bertine LAHUIS, Auteur ; Jolijn PIETERSE, Auteur ; Herman VAN ENGELAND, Auteur ; Hanna SWAAB, Auteur Article en page(s) : p.1356-1366 Langues : Anglais (eng) Mots-clés : MCDD PDD Sustained attention Executive function Risk factors Psychosis ANT Index. décimale : PER Périodiques Résumé : A proportion of children within the autism spectrum is at risk for severe deregulation of thought, emotion and behaviour resulting in (symptoms of) psychotic disorders over the course of development. In an attempt to identify this subgroup, children with PDD-NOS, subtype MCDD (n = 24) were compared to children with PDD-NOS (n = 23) on executive function (EF) skills. Significant differences emerged, always to the disadvantage of the children with PDD-NOS, subtype MCDD on various EF measures. The findings suggest compromised attention regulation and impaired inhibitory control in children with MCDD, which may help explain high levels of thought problems which are frequently observed in these children. Our findings provide evidence for recognizing a PDD subcategory of MCDD that is of specific interest with regard to long-term developmental risks involved. En ligne : http://dx.doi.org/10.1007/s10803-012-1688-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=201
in Journal of Autism and Developmental Disorders > 43-6 (June 2013) . - p.1356-1366[article] Executive Function in MCDD and PDD-NOS: A Study of Inhibitory Control, Attention Regulation and Behavioral Adaptivity [Texte imprimé et/ou numérique] / Sophie RIJN, Auteur ; Leo SONNEVILLE, Auteur ; Bertine LAHUIS, Auteur ; Jolijn PIETERSE, Auteur ; Herman VAN ENGELAND, Auteur ; Hanna SWAAB, Auteur . - p.1356-1366.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 43-6 (June 2013) . - p.1356-1366
Mots-clés : MCDD PDD Sustained attention Executive function Risk factors Psychosis ANT Index. décimale : PER Périodiques Résumé : A proportion of children within the autism spectrum is at risk for severe deregulation of thought, emotion and behaviour resulting in (symptoms of) psychotic disorders over the course of development. In an attempt to identify this subgroup, children with PDD-NOS, subtype MCDD (n = 24) were compared to children with PDD-NOS (n = 23) on executive function (EF) skills. Significant differences emerged, always to the disadvantage of the children with PDD-NOS, subtype MCDD on various EF measures. The findings suggest compromised attention regulation and impaired inhibitory control in children with MCDD, which may help explain high levels of thought problems which are frequently observed in these children. Our findings provide evidence for recognizing a PDD subcategory of MCDD that is of specific interest with regard to long-term developmental risks involved. En ligne : http://dx.doi.org/10.1007/s10803-012-1688-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=201