Altered theta-beta ratio in infancy associates with family history of ADHD and later ADHD-relevant temperamental traits / Jannath BEGUM-ALI in Journal of Child Psychology and Psychiatry, 63-9 (September 2022)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 63-9 (September 2022) . - p.1057-1067 Titre : Altered theta-beta ratio in infancy associates with family history of ADHD and later ADHD-relevant temperamental traits Type de document : Texte imprimé et/ou numérique Auteurs : Jannath BEGUM-ALI, Auteur ; Amy GOODWIN, Auteur ; Luke MASON, Auteur ; Greg PASCO, Auteur ; Tony CHARMAN, Auteur ; Mark H. JOHNSON, Auteur ; Emily J. H. JONES, Auteur Article en page(s) : p.1057-1067 Langues : Anglais (eng) Mots-clés : Adult  Attention Deficit Disorder with Hyperactivity/diagnosis  Autism Spectrum Disorder  Child  Electroencephalography  Female  Humans  Infant  Male  Prospective Studies  Theta Rhythm  Attention deficit hyperactivity disorder  autism spectrum disorder  infancy  theta-beta ratio Index. décimale : PER Périodiques Résumé : BACKGROUND: Uncovering the neural mechanisms that underlie symptoms of attention deficit hyperactivity disorder (ADHD) requires studying brain development prior to the emergence of behavioural difficulties. One new approach to this is prospective studies of infants with an elevated likelihood of developing ADHD. METHODS: We used a prospective design to examine an oscillatory electroencephalography profile that has been widely studied in both children and adults with ADHD - the balance between lower and higher frequencies operationalised as the theta-beta ratio (TBR). In the present study, we examined TBR in 136 10-month-old infants (72 male and 64 female) with/without an elevated likelihood of developing ADHD and/or a comparison disorder (Autism Spectrum Disorder; ASD). RESULTS: Infants with a first-degree relative with ADHD demonstrated lower TBR than infants without a first-degree relative with ADHD. Further, lower TBR at 10months was positively associated with temperament dimensions conceptually related to ADHD at 2years. TBR was not altered in infants with a family history of ASD. CONCLUSIONS: This is the first demonstration that alterations in TBR are present prior to behavioural symptoms of ADHD. However, these alterations manifest differently than those sometimes observed in older children with an ADHD diagnosis. Importantly, altered TBR was not seen in infants at elevated likelihood of developing ASD, suggesting a degree of specificity to ADHD. Taken together, these findings demonstrate that there are brain changes associated with a family history of ADHD observable in the first year of life. En ligne : http://dx.doi.org/10.1111/jcpp.13563 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=486 [article] Altered theta-beta ratio in infancy associates with family history of ADHD and later ADHD-relevant temperamental traits [Texte imprimé et/ou numérique] / Jannath BEGUM-ALI, Auteur ; Amy GOODWIN, Auteur ; Luke MASON, Auteur ; Greg PASCO, Auteur ; Tony CHARMAN, Auteur ; Mark H. JOHNSON, Auteur ; Emily J. H. JONES, Auteur . - p.1057-1067. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 63-9 (September 2022) . - p.1057-1067 Mots-clés : Adult  Attention Deficit Disorder with Hyperactivity/diagnosis  Autism Spectrum Disorder  Child  Electroencephalography  Female  Humans  Infant  Male  Prospective Studies  Theta Rhythm  Attention deficit hyperactivity disorder  autism spectrum disorder  infancy  theta-beta ratio Index. décimale : PER Périodiques Résumé : BACKGROUND: Uncovering the neural mechanisms that underlie symptoms of attention deficit hyperactivity disorder (ADHD) requires studying brain development prior to the emergence of behavioural difficulties. One new approach to this is prospective studies of infants with an elevated likelihood of developing ADHD. METHODS: We used a prospective design to examine an oscillatory electroencephalography profile that has been widely studied in both children and adults with ADHD - the balance between lower and higher frequencies operationalised as the theta-beta ratio (TBR). In the present study, we examined TBR in 136 10-month-old infants (72 male and 64 female) with/without an elevated likelihood of developing ADHD and/or a comparison disorder (Autism Spectrum Disorder; ASD). RESULTS: Infants with a first-degree relative with ADHD demonstrated lower TBR than infants without a first-degree relative with ADHD. Further, lower TBR at 10months was positively associated with temperament dimensions conceptually related to ADHD at 2years. TBR was not altered in infants with a family history of ASD. CONCLUSIONS: This is the first demonstration that alterations in TBR are present prior to behavioural symptoms of ADHD. However, these alterations manifest differently than those sometimes observed in older children with an ADHD diagnosis. Importantly, altered TBR was not seen in infants at elevated likelihood of developing ASD, suggesting a degree of specificity to ADHD. Taken together, these findings demonstrate that there are brain changes associated with a family history of ADHD observable in the first year of life. En ligne : http://dx.doi.org/10.1111/jcpp.13563 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=486

Annual Research Review: Anterior Modifiers in the Emergence of Neurodevelopmental Disorders (AMEND)-a systems neuroscience approach to common developmental disorders / Mark H. JOHNSON in Journal of Child Psychology and Psychiatry, 62-5 (May 2021)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 62-5 (May 2021) . - p.610-630 Titre : Annual Research Review: Anterior Modifiers in the Emergence of Neurodevelopmental Disorders (AMEND)-a systems neuroscience approach to common developmental disorders Type de document : Texte imprimé et/ou numérique Auteurs : Mark H. JOHNSON, Auteur ; Tony CHARMAN, Auteur ; Andrew PICKLES, Auteur ; Emily J. H. JONES, Auteur Article en page(s) : p.610-630 Langues : Anglais (eng) Mots-clés : Neurodevelopmental disorders  autism spectrum disorders  brain development Index. décimale : PER Périodiques Résumé : We present the Anterior Modifiers in the Emergence of Neurodevelopmental Disorders (AMEND) framework, designed to reframe the field of prospective studies of neurodevelopmental disorders. In AMEND we propose conceptual, statistical and methodological approaches to separating markers of early-stage perturbations from later developmental modifiers. We describe the evidence for, and features of, these interacting components before outlining analytical approaches to studying how different profiles of early perturbations and later modifiers interact to produce phenotypic outcomes. We suggest this approach could both advance our theoretical understanding and clinical approach to the emergence of developmental psychopathology in early childhood. En ligne : http://dx.doi.org/10.1111/jcpp.13372 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=445 [article] Annual Research Review: Anterior Modifiers in the Emergence of Neurodevelopmental Disorders (AMEND)-a systems neuroscience approach to common developmental disorders [Texte imprimé et/ou numérique] / Mark H. JOHNSON, Auteur ; Tony CHARMAN, Auteur ; Andrew PICKLES, Auteur ; Emily J. H. JONES, Auteur . - p.610-630. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 62-5 (May 2021) . - p.610-630 Mots-clés : Neurodevelopmental disorders  autism spectrum disorders  brain development Index. décimale : PER Périodiques Résumé : We present the Anterior Modifiers in the Emergence of Neurodevelopmental Disorders (AMEND) framework, designed to reframe the field of prospective studies of neurodevelopmental disorders. In AMEND we propose conceptual, statistical and methodological approaches to separating markers of early-stage perturbations from later developmental modifiers. We describe the evidence for, and features of, these interacting components before outlining analytical approaches to studying how different profiles of early perturbations and later modifiers interact to produce phenotypic outcomes. We suggest this approach could both advance our theoretical understanding and clinical approach to the emergence of developmental psychopathology in early childhood. En ligne : http://dx.doi.org/10.1111/jcpp.13372 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=445

Annual Research Review: Infant development, autism, and ADHD – early pathways to emerging disorders / Mark H. JOHNSON in Journal of Child Psychology and Psychiatry, 56-3 (March 2015)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 56-3 (March 2015) . - p.228-247 Titre : Annual Research Review: Infant development, autism, and ADHD – early pathways to emerging disorders Type de document : Texte imprimé et/ou numérique Auteurs : Mark H. JOHNSON, Auteur ; Teodora GLIGA, Auteur ; Emily JONES, Auteur ; Tony CHARMAN, Auteur Article en page(s) : p.228-247 Langues : Anglais (eng) Mots-clés : Neurodevelopmental disorder  prediction, risk factors  developmental pathways  ADHD  autism spectrum disorders Index. décimale : PER Périodiques Résumé : Background Autism spectrum disorders (ASD) and attention deficit hyperactivity disorder (ADHD) are two of the most common neurodevelopmental disorders, with a high degree of co-occurrence. Methods Prospective longitudinal studies of infants who later meet criteria for ASD or ADHD offer the opportunity to determine whether the two disorders share developmental pathways. Results Prospective studies of younger siblings of children with autism have revealed a range of infant behavioral and neural markers associated with later diagnosis of ASD. Research on infants with later ADHD is less developed, but emerging evidence reveals a number of relations between infant measures and later symptoms of inattention and hyperactivity. Conclusions We review this literature, highlighting points of convergence and divergence in the early pathways to ASD and ADHD. En ligne : http://dx.doi.org/10.1111/jcpp.12328 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=259 [article] Annual Research Review: Infant development, autism, and ADHD – early pathways to emerging disorders [Texte imprimé et/ou numérique] / Mark H. JOHNSON, Auteur ; Teodora GLIGA, Auteur ; Emily JONES, Auteur ; Tony CHARMAN, Auteur . - p.228-247. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 56-3 (March 2015) . - p.228-247 Mots-clés : Neurodevelopmental disorder  prediction, risk factors  developmental pathways  ADHD  autism spectrum disorders Index. décimale : PER Périodiques Résumé : Background Autism spectrum disorders (ASD) and attention deficit hyperactivity disorder (ADHD) are two of the most common neurodevelopmental disorders, with a high degree of co-occurrence. Methods Prospective longitudinal studies of infants who later meet criteria for ASD or ADHD offer the opportunity to determine whether the two disorders share developmental pathways. Results Prospective studies of younger siblings of children with autism have revealed a range of infant behavioral and neural markers associated with later diagnosis of ASD. Research on infants with later ADHD is less developed, but emerging evidence reveals a number of relations between infant measures and later symptoms of inattention and hyperactivity. Conclusions We review this literature, highlighting points of convergence and divergence in the early pathways to ASD and ADHD. En ligne : http://dx.doi.org/10.1111/jcpp.12328 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=259

Associations between early language, motor abilities, and later autism traits in infants with typical and elevated likelihood of autism / Greg PASCO ; Jannath Begum ALI ; Mark H. JOHNSON ; Emily J. H. JONES ; Tony CHARMAN in Autism Research, 16-11 (November 2023)  

Public ISBD [article]  inAutism Research > 16-11 (November 2023) . - p.2184-2197 Titre : Associations between early language, motor abilities, and later autism traits in infants with typical and elevated likelihood of autism Type de document : Texte imprimé et/ou numérique Auteurs : Greg PASCO, Auteur ; Jannath Begum ALI, Auteur ; Mark H. JOHNSON, Auteur ; Emily J. H. JONES, Auteur ; Tony CHARMAN, Auteur Article en page(s) : p.2184-2197 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : Abstract Slower acquisition of language and motor milestones are common in infants with later autism and studies have indicated that motor skills predict the rate of language development, suggesting these domains of development may be interlinked. However, the inter-relationships between the two domains over development and emerging autistic traits are not fully established. We studied language and motor development using standardized observational and parent-report measures in infants with (n=271) and without (n=137) a family history of autism across four waves of data collection from 10 to 36?months. We used Random Intercept Cross-Lagged Panel Models to examine contemporaneous and longitudinal associations between language and motor developments in both elevated and typical likelihood groups. We estimated paths between language and motor abilities at 10, 14, 24, and 36?months and autism trait scores at 36?months, to test whether the domains were interrelated and how they related to emerging autism traits. Results revealed consistent bidirectional Expressive Language (EL) and Fine Motor (FM) cross-lagged effects from 10 to 24 and a unidirectional EL to FM effect from 24 to 36?months as well as significantly correlated random intercepts between Gross motor (GM) and Receptive language (RL), indicating stable concurrent associations over time. However, only the associations between GM and RL were associated with later autism traits. Early motor and language are linked, but only gross motor and receptive language are jointly associated with autistic traits in infants with an autism family history. En ligne : https://doi.org/10.1002/aur.3023 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=517 [article] Associations between early language, motor abilities, and later autism traits in infants with typical and elevated likelihood of autism [Texte imprimé et/ou numérique] / Greg PASCO, Auteur ; Jannath Begum ALI, Auteur ; Mark H. JOHNSON, Auteur ; Emily J. H. JONES, Auteur ; Tony CHARMAN, Auteur . - p.2184-2197. Langues : Anglais (eng) in Autism Research > 16-11 (November 2023) . - p.2184-2197 Index. décimale : PER Périodiques Résumé : Abstract Slower acquisition of language and motor milestones are common in infants with later autism and studies have indicated that motor skills predict the rate of language development, suggesting these domains of development may be interlinked. However, the inter-relationships between the two domains over development and emerging autistic traits are not fully established. We studied language and motor development using standardized observational and parent-report measures in infants with (n=271) and without (n=137) a family history of autism across four waves of data collection from 10 to 36?months. We used Random Intercept Cross-Lagged Panel Models to examine contemporaneous and longitudinal associations between language and motor developments in both elevated and typical likelihood groups. We estimated paths between language and motor abilities at 10, 14, 24, and 36?months and autism trait scores at 36?months, to test whether the domains were interrelated and how they related to emerging autism traits. Results revealed consistent bidirectional Expressive Language (EL) and Fine Motor (FM) cross-lagged effects from 10 to 24 and a unidirectional EL to FM effect from 24 to 36?months as well as significantly correlated random intercepts between Gross motor (GM) and Receptive language (RL), indicating stable concurrent associations over time. However, only the associations between GM and RL were associated with later autism traits. Early motor and language are linked, but only gross motor and receptive language are jointly associated with autistic traits in infants with an autism family history. En ligne : https://doi.org/10.1002/aur.3023 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=517

Attention control in autism: Eye-tracking findings from pre-school children in a low- and middle-income country setting / Luke MASON ; Rashi ARORA ; Supriya BHAVNANI ; Jayashree DASGUPTA ; Sheffali GULATI ; Teodora GLIGA ; Mark H. JOHNSON in Autism, 28-1 (January 2024)  

Public ISBD [article]  inAutism > 28-1 (January 2024) . - p.43?57 Titre : Attention control in autism: Eye-tracking findings from pre-school children in a low- and middle-income country setting Type de document : Texte imprimé et/ou numérique Auteurs : Luke MASON, Auteur ; Rashi ARORA, Auteur ; Supriya BHAVNANI, Auteur ; Jayashree DASGUPTA, Auteur ; Sheffali GULATI, Auteur ; Teodora GLIGA, Auteur ; Mark H. JOHNSON, Auteur Article en page(s) : p.43?57 Mots-clés : autism spectrum disorders  cognition (attention  learning  memory)  development  pre-school children Index. décimale : PER Périodiques Résumé : Alterations in the development of attention control and learning have been associated with autism and can be measured using the ?antisaccade task?, which assesses a child?s ability to make an oculomotor response away from a distracting stimulus, and learn to instead anticipate a later reward. We aimed to assess these cognitive processes using portable eye-tracking in an understudied population of pre-school children with and without a diagnosis of autism spectrum disorder in community settings in New Delhi, India. The eye-tracking antisaccade task was presented to children in three groups (n?=?104) (children with a clinical diagnosis of autism spectrum disorder or intellectual disability and children meeting developmental milestones). In accordance with findings from high-income, laboratory-based environments, children learnt to anticipate looks towards a reward, as well as inhibit eye-movements towards a distractor stimulus. We also provide novel evidence that while differences in inhibition responses might be applicable to multiple developmental conditions, a reduced learning to anticipate looks towards a target in this age group may be specific to autism. This eye-tracking task may, therefore, have the potential to identify and assess autism specific traits across development, and be used in longitudinal research studies such as investigating response to intervention in low-resource settings. Lay abstract The development of cognitive processes, such as attention control and learning, has been suggested to be altered in children with a diagnosis of autism spectrum disorder. However, nearly all of our understanding of the development of these cognitive processes comes from studies with school-aged or older children in high-income countries, and from research conducted in a controlled laboratory environment, thereby restricting the potential generalisability of results and away from the majority of the world?s population. We need to expand our research to investigate abilities beyond these limited settings. We address shortcomings in the literature by (1) studying attention control and learning in an understudied population of children in a low- and middle-income country setting in India, (2) focusing research on a critical younger age group of children and (3) using portable eye-tracking technology that can be taken into communities and healthcare settings to increase the accessibility of research in hard-to-reach populations. Our results provide novel evidence on differences in attention control and learning responses in groups of children with and without a diagnosis of autism spectrum disorder. We show that learning responses in children that we assessed through a portable eye-tracking task, called the ?antisaccade task?, may be specific to autism. This suggests that the methods we use may have the potential to identify and assess autism-specific traits across development, and be used in research in low-resource settings. En ligne : https://dx.doi.org/10.1177/13623613221149541 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=519 [article] Attention control in autism: Eye-tracking findings from pre-school children in a low- and middle-income country setting [Texte imprimé et/ou numérique] / Luke MASON, Auteur ; Rashi ARORA, Auteur ; Supriya BHAVNANI, Auteur ; Jayashree DASGUPTA, Auteur ; Sheffali GULATI, Auteur ; Teodora GLIGA, Auteur ; Mark H. JOHNSON, Auteur . - p.43?57. in Autism > 28-1 (January 2024) . - p.43?57 Mots-clés : autism spectrum disorders  cognition (attention  learning  memory)  development  pre-school children Index. décimale : PER Périodiques Résumé : Alterations in the development of attention control and learning have been associated with autism and can be measured using the ?antisaccade task?, which assesses a child?s ability to make an oculomotor response away from a distracting stimulus, and learn to instead anticipate a later reward. We aimed to assess these cognitive processes using portable eye-tracking in an understudied population of pre-school children with and without a diagnosis of autism spectrum disorder in community settings in New Delhi, India. The eye-tracking antisaccade task was presented to children in three groups (n?=?104) (children with a clinical diagnosis of autism spectrum disorder or intellectual disability and children meeting developmental milestones). In accordance with findings from high-income, laboratory-based environments, children learnt to anticipate looks towards a reward, as well as inhibit eye-movements towards a distractor stimulus. We also provide novel evidence that while differences in inhibition responses might be applicable to multiple developmental conditions, a reduced learning to anticipate looks towards a target in this age group may be specific to autism. This eye-tracking task may, therefore, have the potential to identify and assess autism specific traits across development, and be used in longitudinal research studies such as investigating response to intervention in low-resource settings. Lay abstract The development of cognitive processes, such as attention control and learning, has been suggested to be altered in children with a diagnosis of autism spectrum disorder. However, nearly all of our understanding of the development of these cognitive processes comes from studies with school-aged or older children in high-income countries, and from research conducted in a controlled laboratory environment, thereby restricting the potential generalisability of results and away from the majority of the world?s population. We need to expand our research to investigate abilities beyond these limited settings. We address shortcomings in the literature by (1) studying attention control and learning in an understudied population of children in a low- and middle-income country setting in India, (2) focusing research on a critical younger age group of children and (3) using portable eye-tracking technology that can be taken into communities and healthcare settings to increase the accessibility of research in hard-to-reach populations. Our results provide novel evidence on differences in attention control and learning responses in groups of children with and without a diagnosis of autism spectrum disorder. We show that learning responses in children that we assessed through a portable eye-tracking task, called the ?antisaccade task?, may be specific to autism. This suggests that the methods we use may have the potential to identify and assess autism-specific traits across development, and be used in research in low-resource settings. En ligne : https://dx.doi.org/10.1177/13623613221149541 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=519

Atypical Development of Attentional Control Associates with Later Adaptive Functioning, Autism and ADHD Traits / Alexandra HENDRY in Journal of Autism and Developmental Disorders, 50-11 (November 2020)  

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Atypical modulation of face-elicited saccades in autism spectrum disorder in a double-step saccade paradigm / Atsushi SENJU in Research in Autism Spectrum Disorders, 5-3 (July-September 2011)  

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Brain adaptation and alternative developmental trajectories / Mark H. JOHNSON in Development and Psychopathology, 27-2 (May 2015)  

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Brief Report: Developing Spatial Frequency Biases for Face Recognition in Autism and Williams Syndrome / Hayley C. LEONARD in Journal of Autism and Developmental Disorders, 41-7 (July 2011)  

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Can autism be predicted on the basis of infant screening tests? / Mark H. JOHNSON in Developmental Medicine & Child Neurology, 34-4 (April 1992)

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Commentary: Disengaging the infant mind: Genetic dissociation of attention and cognitive skills in infants – reflections on Leppänen et al. (2011) / Mark H. JOHNSON in Journal of Child Psychology and Psychiatry, 52-11 (November 2011)  

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Comparison of Parent Questionnaires, Examiner-Led Assessment and Parents' Concerns at 14 Months of Age as Indicators of Later Diagnosis of Autism / Greg PASCO in Journal of Autism and Developmental Disorders, 51-3 (March 2021)  

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Developmental trajectories in infants and pre-school children with Neurofibromatosis 1 / Hannah SLEVIN in Molecular Autism, 15 (2024)  

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Early Language Profiles in Infants at High-Risk for Autism Spectrum Disorders / Kristelle HUDRY in Journal of Autism and Developmental Disorders, 44-1 (January 2014)  

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Early Motor Differences in Infants at Elevated Likelihood of Autism Spectrum Disorder and/or Attention Deficit Hyperactivity Disorder / Jannath BEGUM ALI in Journal of Autism and Developmental Disorders, 50-12 (December 2020)  

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