Development of the pupillary light reflex from 9 to 24 months: association with common autism spectrum disorder (ASD) genetic liability and 3-year ASD diagnosis / L. A. FISH in Journal of Child Psychology and Psychiatry, 62-11 (November 2021)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 62-11 (November 2021) . - p.1308-1319 Titre : Development of the pupillary light reflex from 9 to 24 months: association with common autism spectrum disorder (ASD) genetic liability and 3-year ASD diagnosis Type de document : Texte imprimé et/ou numérique Auteurs : L. A. FISH, Auteur ; P. NYSTROM, Auteur ; T. GLIGA, Auteur ; A. GUI, Auteur ; Jannath BEGUM ALI, Auteur ; L. MASON, Auteur ; S. GARG, Auteur ; J. GREEN, Auteur ; M. H. JOHNSON, Auteur ; Tony CHARMAN, Auteur ; R. HARRISON, Auteur ; E. MEABURN, Auteur ; T. FALCK-YTTER, Auteur ; E. J. H. JONES, Auteur Article en page(s) : p.1308-1319 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder/diagnosis/genetics  Humans  Infant  Phenotype  Reflex  Autism spectrum disorder  infancy  neurodevelopment  pupillary light reflex Index. décimale : PER Périodiques Résumé : BACKGROUND: Although autism spectrum disorder (ASD) is heritable, the mechanisms through which genes contribute to symptom emergence remain unclear. Investigating candidate intermediate phenotypes such as the pupillary light reflex (PLR) prospectively from early in development could bridge genotype and behavioural phenotype. METHODS: Using eye tracking, we longitudinally measured the PLR at 9, 14 and 24 months in a sample of infants (N = 264) enriched for a family history of ASD; 27 infants received an ASD diagnosis at 3 years. We examined the 9- to 24-month developmental trajectories of PLR constriction latency (onset; ms) and amplitude (%) and explored their relation to categorical 3-year ASD outcome, polygenic liability for ASD and dimensional 3-year social affect (SA) and repetitive/restrictive behaviour (RRB) traits. Polygenic scores for ASD (PGS(ASD) ) were calculated for 190 infants. RESULTS: While infants showed a decrease in latency between 9 and 14 months, higher PGS(ASD) was associated with a smaller decrease in latency in the first year (? = -.16, 95% CI = -0.31, -0.002); infants with later ASD showed a significantly steeper decrease in latency (a putative 'catch-up') between 14 and 24 months relative to those with other outcomes (typical: ? = .54, 95% CI = 0.08, 0.99; other: ? = .53, 95% CI = 0.02, 1.04). Latency development did not associate with later dimensional variation in ASD-related traits. In contrast, change in amplitude was not related to categorical ASD or genetics, but decreasing 9- to 14-month amplitude was associated with higher SA (? = .08, 95% CI = 0.01, 0.14) and RRB (? = .05, 95% CI = 0.004, 0.11) traits. CONCLUSIONS: These findings corroborate PLR development as possible intermediate phenotypes being linked to both genetic liability and phenotypic outcomes. Future work should incorporate alternative measures (e.g. functionally informed structural and genetic measures) to test whether distinct neural mechanisms underpin PLR alterations. En ligne : http://dx.doi.org/10.1111/jcpp.13518 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456 [article] Development of the pupillary light reflex from 9 to 24 months: association with common autism spectrum disorder (ASD) genetic liability and 3-year ASD diagnosis [Texte imprimé et/ou numérique] / L. A. FISH, Auteur ; P. NYSTROM, Auteur ; T. GLIGA, Auteur ; A. GUI, Auteur ; Jannath BEGUM ALI, Auteur ; L. MASON, Auteur ; S. GARG, Auteur ; J. GREEN, Auteur ; M. H. JOHNSON, Auteur ; Tony CHARMAN, Auteur ; R. HARRISON, Auteur ; E. MEABURN, Auteur ; T. FALCK-YTTER, Auteur ; E. J. H. JONES, Auteur . - p.1308-1319. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 62-11 (November 2021) . - p.1308-1319 Mots-clés : Autism Spectrum Disorder/diagnosis/genetics  Humans  Infant  Phenotype  Reflex  Autism spectrum disorder  infancy  neurodevelopment  pupillary light reflex Index. décimale : PER Périodiques Résumé : BACKGROUND: Although autism spectrum disorder (ASD) is heritable, the mechanisms through which genes contribute to symptom emergence remain unclear. Investigating candidate intermediate phenotypes such as the pupillary light reflex (PLR) prospectively from early in development could bridge genotype and behavioural phenotype. METHODS: Using eye tracking, we longitudinally measured the PLR at 9, 14 and 24 months in a sample of infants (N = 264) enriched for a family history of ASD; 27 infants received an ASD diagnosis at 3 years. We examined the 9- to 24-month developmental trajectories of PLR constriction latency (onset; ms) and amplitude (%) and explored their relation to categorical 3-year ASD outcome, polygenic liability for ASD and dimensional 3-year social affect (SA) and repetitive/restrictive behaviour (RRB) traits. Polygenic scores for ASD (PGS(ASD) ) were calculated for 190 infants. RESULTS: While infants showed a decrease in latency between 9 and 14 months, higher PGS(ASD) was associated with a smaller decrease in latency in the first year (? = -.16, 95% CI = -0.31, -0.002); infants with later ASD showed a significantly steeper decrease in latency (a putative 'catch-up') between 14 and 24 months relative to those with other outcomes (typical: ? = .54, 95% CI = 0.08, 0.99; other: ? = .53, 95% CI = 0.02, 1.04). Latency development did not associate with later dimensional variation in ASD-related traits. In contrast, change in amplitude was not related to categorical ASD or genetics, but decreasing 9- to 14-month amplitude was associated with higher SA (? = .08, 95% CI = 0.01, 0.14) and RRB (? = .05, 95% CI = 0.004, 0.11) traits. CONCLUSIONS: These findings corroborate PLR development as possible intermediate phenotypes being linked to both genetic liability and phenotypic outcomes. Future work should incorporate alternative measures (e.g. functionally informed structural and genetic measures) to test whether distinct neural mechanisms underpin PLR alterations. En ligne : http://dx.doi.org/10.1111/jcpp.13518 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456

Developmental change in look durations predicts later effortful control in toddlers at familial risk for ASD / A. HENDRY in Journal of Neurodevelopmental Disorders, 10-1 (December 2018)  

Public ISBD [article]  inJournal of Neurodevelopmental Disorders > 10-1 (December 2018) . - p.3 Titre : Developmental change in look durations predicts later effortful control in toddlers at familial risk for ASD Type de document : Texte imprimé et/ou numérique Auteurs : A. HENDRY, Auteur ; E. J. H. JONES, Auteur ; Rachael BEDFORD, Auteur ; T. GLIGA, Auteur ; Tony CHARMAN, Auteur ; M. H. JOHNSON, Auteur Article en page(s) : p.3 Langues : Anglais (eng) Mots-clés : Asd  Autism  Development  Effortful control  Endogenous attention  Endophenotype  Executive attention  Executive function  Infant  Sibling Index. décimale : PER Périodiques Résumé : BACKGROUND: Difficulties with executive functioning (EF) are common in individuals with a range of developmental disorders, including autism spectrum disorder (ASD). Interventions that target underlying mechanisms of EF early in development could be broadly beneficial, but require infant markers of such mechanisms in order to be feasible. Prospective studies of infants at high familial risk (HR) for ASD have revealed a surprising tendency for HR toddlers to show longer epochs of attention to faces than low-risk (LR) controls. In typical development, decreases in look durations towards the end of the first year of life are driven by the development of executive attention-a foundational component of EF. Here, we test the hypothesis that prolonged attention to visual stimuli (including faces) in HR toddlers reflects early differences in the development of executive attention. METHODS: In a longitudinal prospective study, we used eye-tracking to record HR and LR infants' looking behaviour to social and non-social visual stimuli at ages 9 and 15 months. At age 3 years, we assessed children with a battery of clinical research measures and collected parental report of effortful control (EC)-a temperament trait closely associated with EF and similarly contingent on executive attention. RESULTS: Consistent with previous studies, we found an attenuated reduction in peak look durations to faces between 9 and 15 months for the HR group compared with the LR group, and lower EC amongst the HR-ASD group. In line with our hypothesis, change in peak look duration to faces between 9 and 15 months was negatively associated with EC at age 3. CONCLUSIONS: We suggest that for HR toddlers, disruption to the early development of executive attention results in an attenuated reduction in looking time to faces. Effects may be more apparent for faces due to early biases to orient towards them; further, attention difficulties may interact with earlier emerging differences in social information processing. Our finding that prolonged attention to faces may be an early indicator of disruption to the executive attention system is of potential value in screening for infants at risk for later EF difficulties and for evaluation of intervention outcomes. En ligne : http://dx.doi.org/10.1186/s11689-017-9219-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=351 [article] Developmental change in look durations predicts later effortful control in toddlers at familial risk for ASD [Texte imprimé et/ou numérique] / A. HENDRY, Auteur ; E. J. H. JONES, Auteur ; Rachael BEDFORD, Auteur ; T. GLIGA, Auteur ; Tony CHARMAN, Auteur ; M. H. JOHNSON, Auteur . - p.3. Langues : Anglais (eng) in Journal of Neurodevelopmental Disorders > 10-1 (December 2018) . - p.3 Mots-clés : Asd  Autism  Development  Effortful control  Endogenous attention  Endophenotype  Executive attention  Executive function  Infant  Sibling Index. décimale : PER Périodiques Résumé : BACKGROUND: Difficulties with executive functioning (EF) are common in individuals with a range of developmental disorders, including autism spectrum disorder (ASD). Interventions that target underlying mechanisms of EF early in development could be broadly beneficial, but require infant markers of such mechanisms in order to be feasible. Prospective studies of infants at high familial risk (HR) for ASD have revealed a surprising tendency for HR toddlers to show longer epochs of attention to faces than low-risk (LR) controls. In typical development, decreases in look durations towards the end of the first year of life are driven by the development of executive attention-a foundational component of EF. Here, we test the hypothesis that prolonged attention to visual stimuli (including faces) in HR toddlers reflects early differences in the development of executive attention. METHODS: In a longitudinal prospective study, we used eye-tracking to record HR and LR infants' looking behaviour to social and non-social visual stimuli at ages 9 and 15 months. At age 3 years, we assessed children with a battery of clinical research measures and collected parental report of effortful control (EC)-a temperament trait closely associated with EF and similarly contingent on executive attention. RESULTS: Consistent with previous studies, we found an attenuated reduction in peak look durations to faces between 9 and 15 months for the HR group compared with the LR group, and lower EC amongst the HR-ASD group. In line with our hypothesis, change in peak look duration to faces between 9 and 15 months was negatively associated with EC at age 3. CONCLUSIONS: We suggest that for HR toddlers, disruption to the early development of executive attention results in an attenuated reduction in looking time to faces. Effects may be more apparent for faces due to early biases to orient towards them; further, attention difficulties may interact with earlier emerging differences in social information processing. Our finding that prolonged attention to faces may be an early indicator of disruption to the executive attention system is of potential value in screening for infants at risk for later EF difficulties and for evaluation of intervention outcomes. En ligne : http://dx.doi.org/10.1186/s11689-017-9219-4 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=351

Early developmental pathways to childhood symptoms of attention-deficit hyperactivity disorder, anxiety and autism spectrum disorder / E. SHEPHARD in Journal of Child Psychology and Psychiatry, 60-9 (September 2019)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 60-9 (September 2019) . - p.963-974 Titre : Early developmental pathways to childhood symptoms of attention-deficit hyperactivity disorder, anxiety and autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : E. SHEPHARD, Auteur ; Rachael BEDFORD, Auteur ; B. MILOSAVLJEVIC, Auteur ; T. GLIGA, Auteur ; E. J. H. JONES, Auteur ; A. PICKLES, Auteur ; M. H. JOHNSON, Auteur ; Tony CHARMAN, Auteur Article en page(s) : p.963-974 Langues : Anglais (eng) Mots-clés : Autism spectrum disorder  anxiety  attention-deficit/hyperactivity disorder  comorbidity  early developmental pathways Index. décimale : PER Périodiques Résumé : BACKGROUND: Children with autism spectrum disorder (ASD) often have co-occurring symptoms of attention-deficit/hyperactivity disorder (ADHD) and/or anxiety. It is unclear whether these disorders arise from shared or distinct developmental pathways. We explored this question by testing the specificity of early-life (infant and toddler) predictors of mid-childhood ADHD and anxiety symptoms compared to ASD symptoms. METHODS: Infants (n = 104) at high and low familial risk for ASD took part in research assessments at 7, 14, 24 and 38 months, and 7 years of age. Symptoms of ASD, ADHD and anxiety were measured by parent report at age 7. Activity levels and inhibitory control, also measured by parent report, in infancy and toddlerhood were used as early-life predictors of ADHD symptoms. Fearfulness and shyness measured in infancy and toddlerhood were used as early-life predictors of anxiety symptoms. Correlations and path analysis models tested associations between early-life predictors and mid-childhood ADHD and anxiety symptoms compared to mid-childhood ASD symptoms, and the influence of controlling for ASD symptoms on those associations. RESULTS: Increased activity levels and poor inhibitory control were correlated with ADHD symptoms and not ASD or anxiety; these associations were unchanged in path models controlling for risk-group and ASD symptoms. Increased fearfulness and shyness were correlated with anxiety symptoms, but also ASD symptoms. When controlling for risk-group in path analysis, the association between shyness and anxiety became nonsignificant, and when further controlling for ASD symptoms the association between fearfulness and anxiety became marginal. CONCLUSIONS: The specificity of early-life predictors to ADHD symptoms suggests early developmental pathways to ADHD might be distinct from ASD. The overlap in early-life predictors of anxiety and ASD suggests that these disorders are difficult to differentiate early in life, which could reflect the presence of common developmental pathways or convergence in early behavioural manifestations of these disorders. En ligne : http://dx.doi.org/10.1111/jcpp.12947 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=405 [article] Early developmental pathways to childhood symptoms of attention-deficit hyperactivity disorder, anxiety and autism spectrum disorder [Texte imprimé et/ou numérique] / E. SHEPHARD, Auteur ; Rachael BEDFORD, Auteur ; B. MILOSAVLJEVIC, Auteur ; T. GLIGA, Auteur ; E. J. H. JONES, Auteur ; A. PICKLES, Auteur ; M. H. JOHNSON, Auteur ; Tony CHARMAN, Auteur . - p.963-974. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 60-9 (September 2019) . - p.963-974 Mots-clés : Autism spectrum disorder  anxiety  attention-deficit/hyperactivity disorder  comorbidity  early developmental pathways Index. décimale : PER Périodiques Résumé : BACKGROUND: Children with autism spectrum disorder (ASD) often have co-occurring symptoms of attention-deficit/hyperactivity disorder (ADHD) and/or anxiety. It is unclear whether these disorders arise from shared or distinct developmental pathways. We explored this question by testing the specificity of early-life (infant and toddler) predictors of mid-childhood ADHD and anxiety symptoms compared to ASD symptoms. METHODS: Infants (n = 104) at high and low familial risk for ASD took part in research assessments at 7, 14, 24 and 38 months, and 7 years of age. Symptoms of ASD, ADHD and anxiety were measured by parent report at age 7. Activity levels and inhibitory control, also measured by parent report, in infancy and toddlerhood were used as early-life predictors of ADHD symptoms. Fearfulness and shyness measured in infancy and toddlerhood were used as early-life predictors of anxiety symptoms. Correlations and path analysis models tested associations between early-life predictors and mid-childhood ADHD and anxiety symptoms compared to mid-childhood ASD symptoms, and the influence of controlling for ASD symptoms on those associations. RESULTS: Increased activity levels and poor inhibitory control were correlated with ADHD symptoms and not ASD or anxiety; these associations were unchanged in path models controlling for risk-group and ASD symptoms. Increased fearfulness and shyness were correlated with anxiety symptoms, but also ASD symptoms. When controlling for risk-group in path analysis, the association between shyness and anxiety became nonsignificant, and when further controlling for ASD symptoms the association between fearfulness and anxiety became marginal. CONCLUSIONS: The specificity of early-life predictors to ADHD symptoms suggests early developmental pathways to ADHD might be distinct from ASD. The overlap in early-life predictors of anxiety and ASD suggests that these disorders are difficult to differentiate early in life, which could reflect the presence of common developmental pathways or convergence in early behavioural manifestations of these disorders. En ligne : http://dx.doi.org/10.1111/jcpp.12947 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=405

Erratum to: Sex differences in the association between infant markers and later autistic traits / Rachael BEDFORD in Molecular Autism, 7 (2016)  

Public ISBD [article]  inMolecular Autism > 7 (2016) . - 33p. Titre : Erratum to: Sex differences in the association between infant markers and later autistic traits Type de document : Texte imprimé et/ou numérique Auteurs : Rachael BEDFORD, Auteur ; E. J. JONES, Auteur ; M. H. JOHNSON, Auteur ; A. PICKLES, Auteur ; Tony CHARMAN, Auteur ; T. GLIGA, Auteur Article en page(s) : 33p. Langues : Anglais (eng) Index. décimale : PER Périodiques En ligne : http://dx.doi.org/10.1186/s13229-016-0094-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=328 [article] Erratum to: Sex differences in the association between infant markers and later autistic traits [Texte imprimé et/ou numérique] / Rachael BEDFORD, Auteur ; E. J. JONES, Auteur ; M. H. JOHNSON, Auteur ; A. PICKLES, Auteur ; Tony CHARMAN, Auteur ; T. GLIGA, Auteur . - 33p. Langues : Anglais (eng) in Molecular Autism > 7 (2016) . - 33p. Index. décimale : PER Périodiques En ligne : http://dx.doi.org/10.1186/s13229-016-0094-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=328

Infant regulatory function acts as a protective factor for later traits of autism spectrum disorder and attention deficit/hyperactivity disorder but not callous unemotional traits / Rachael BEDFORD in Journal of Neurodevelopmental Disorders, 11-1 (December 2019)  

Public ISBD [article]  inJournal of Neurodevelopmental Disorders > 11-1 (December 2019) . - 14 p. Titre : Infant regulatory function acts as a protective factor for later traits of autism spectrum disorder and attention deficit/hyperactivity disorder but not callous unemotional traits Type de document : Texte imprimé et/ou numérique Auteurs : Rachael BEDFORD, Auteur ; T. GLIGA, Auteur ; A. HENDRY, Auteur ; E. J. H. JONES, Auteur ; G. PASCO, Auteur ; Tony CHARMAN, Auteur ; M. H. JOHNSON, Auteur ; A. PICKLES, Auteur Article en page(s) : 14 p. Langues : Anglais (eng) Mots-clés : Attention deficit/hyperactivity disorder  Autism spectrum disorder  Callous unemotional traits  Executive function  Infants at risk  Regulatory function Index. décimale : PER Périodiques Résumé : BACKGROUND: Reduced executive functions (EF) are commonly associated with developmental conditions (e.g., autism spectrum disorder, ASD; attention deficit/hyperactivity disorder, ADHD), although EF seems to be typical in children with callous unemotional (CU) traits. Regulatory function (RF) is a proposed infant precursor that maps on onto factors driving later EF. Here, we first test whether RF is specifically and negatively associated with ASD and ADHD traits, but not CU traits. Second, we test whether RF can act as a protective factor, by moderating the association between infant markers and subsequent ASD and ADHD traits. METHODS: Participants were 79 infants at high (N = 42) and low (N = 37) familial risk for ASD. Data come from the 14-month infant visit (Autism Observational Scale for Infants; AOSI; activity level and RF from the Infant Behavior Questionnaire; IBQ) and the 7-year visit (ASD traits: Social Responsiveness Scale, SRS; ADHD traits: Conners 3, CU traits: Inventory of Callous Unemotional Traits). RESULTS: Infant RF was negatively associated with later traits of ASD (B = - 0.5, p = 0.01) and ADHD inattention (B = - 0.24, p = 0.02) but not hyperactivity (B = - 0.25, p = 0.10) or CU traits (B = 0.02, p = 0.86). RF moderated the association between infant AOSI score and ASD traits, with a significant effect in those with low RF (B = 0.10, p = 0.006), not high RF (B = 0.01, p = 0.78). Similarly, for ADHD, infant activity level was associated with later ADHD inattention in those with low (B = 0.17, p = 0.04) but not high RF (B = 0.07, p = 0.48). For ADHD hyperactivity symptoms, activity level was predictive at both high and low levels of RF. CONCLUSIONS: Strong RF may allow children to compensate for other atypicalities, thus attenuating the association between infant markers and later disorder traits. Whilst infant RF was associated with both ASD and ADHD inattention traits, there was no association with ADHD hyperactivity or CU traits. This suggests that any protective effect may not be universal and emphasises the need for a better understanding of the underlying moderating mechanisms. En ligne : https://dx.doi.org/10.1186/s11689-019-9274-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=409 [article] Infant regulatory function acts as a protective factor for later traits of autism spectrum disorder and attention deficit/hyperactivity disorder but not callous unemotional traits [Texte imprimé et/ou numérique] / Rachael BEDFORD, Auteur ; T. GLIGA, Auteur ; A. HENDRY, Auteur ; E. J. H. JONES, Auteur ; G. PASCO, Auteur ; Tony CHARMAN, Auteur ; M. H. JOHNSON, Auteur ; A. PICKLES, Auteur . - 14 p. Langues : Anglais (eng) in Journal of Neurodevelopmental Disorders > 11-1 (December 2019) . - 14 p. Mots-clés : Attention deficit/hyperactivity disorder  Autism spectrum disorder  Callous unemotional traits  Executive function  Infants at risk  Regulatory function Index. décimale : PER Périodiques Résumé : BACKGROUND: Reduced executive functions (EF) are commonly associated with developmental conditions (e.g., autism spectrum disorder, ASD; attention deficit/hyperactivity disorder, ADHD), although EF seems to be typical in children with callous unemotional (CU) traits. Regulatory function (RF) is a proposed infant precursor that maps on onto factors driving later EF. Here, we first test whether RF is specifically and negatively associated with ASD and ADHD traits, but not CU traits. Second, we test whether RF can act as a protective factor, by moderating the association between infant markers and subsequent ASD and ADHD traits. METHODS: Participants were 79 infants at high (N = 42) and low (N = 37) familial risk for ASD. Data come from the 14-month infant visit (Autism Observational Scale for Infants; AOSI; activity level and RF from the Infant Behavior Questionnaire; IBQ) and the 7-year visit (ASD traits: Social Responsiveness Scale, SRS; ADHD traits: Conners 3, CU traits: Inventory of Callous Unemotional Traits). RESULTS: Infant RF was negatively associated with later traits of ASD (B = - 0.5, p = 0.01) and ADHD inattention (B = - 0.24, p = 0.02) but not hyperactivity (B = - 0.25, p = 0.10) or CU traits (B = 0.02, p = 0.86). RF moderated the association between infant AOSI score and ASD traits, with a significant effect in those with low RF (B = 0.10, p = 0.006), not high RF (B = 0.01, p = 0.78). Similarly, for ADHD, infant activity level was associated with later ADHD inattention in those with low (B = 0.17, p = 0.04) but not high RF (B = 0.07, p = 0.48). For ADHD hyperactivity symptoms, activity level was predictive at both high and low levels of RF. CONCLUSIONS: Strong RF may allow children to compensate for other atypicalities, thus attenuating the association between infant markers and later disorder traits. Whilst infant RF was associated with both ASD and ADHD inattention traits, there was no association with ADHD hyperactivity or CU traits. This suggests that any protective effect may not be universal and emphasises the need for a better understanding of the underlying moderating mechanisms. En ligne : https://dx.doi.org/10.1186/s11689-019-9274-0 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=409

Neurocognitive and observational markers: prediction of autism spectrum disorder from infancy to mid-childhood / Rachael BEDFORD in Molecular Autism, 8 (2017)  

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Reduced orienting to audiovisual synchrony in infancy predicts autism diagnosis at 3 years of age / T. FALCK-YTTER in Journal of Child Psychology and Psychiatry, 59-8 (August 2018)  

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Sex differences in the association between infant markers and later autistic traits / Rachael BEDFORD in Molecular Autism, 7 (2016)  

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What is the Effect of Stimulus Complexity on Attention to Repeating and Changing Information in Autism? / I. ARORA in Journal of Autism and Developmental Disorders, 52-2 (February 2022)  

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