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Familial risk of autism alters subcortical and cerebellar brain anatomy in infants and predicts the emergence of repetitive behaviors in early childhood / I. POTE in Autism Research, 12-4 (April 2019)
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Titre : Familial risk of autism alters subcortical and cerebellar brain anatomy in infants and predicts the emergence of repetitive behaviors in early childhood Type de document : Texte imprimé et/ou numérique Auteurs : I. POTE, Auteur ; S. WANG, Auteur ; V. SETHNA, Auteur ; A. BLASI, Auteur ; Eileen DALY, Auteur ; M. KUKLISOVA-MURGASOVA, Auteur ; S. LLOYD-FOX, Auteur ; E. MERCURE, Auteur ; P. BUSUULWA, Auteur ; V. STOENCHEVA, Auteur ; Tony CHARMAN, Auteur ; S. C. R. WILLIAMS, Auteur ; M. H. JOHNSON, Auteur ; D. G. M. MURPHY, Auteur ; G. M. MCALONAN, Auteur Article en page(s) : p.614-627 Langues : Anglais (eng) Mots-clés : autism spectrum disorder cerebellum familial risk infants magnetic resonance imaging-structural mother-infant interaction subcortex Index. décimale : PER Périodiques Résumé : Autism spectrum disorder (ASD) is a common neurodevelopmental condition, and infant siblings of children with ASD are at a higher risk of developing autistic traits or an ASD diagnosis, when compared to those with typically developing siblings. Reports of differences in brain anatomy and function in high-risk infants which predict later autistic behaviors are emerging, but although cerebellar and subcortical brain regions have been frequently implicated in ASD, no high-risk study has examined these regions. Therefore, in this study, we compared regional MRI volumes across the whole brain in 4-6-month-old infants with (high-risk, n = 24) and without (low-risk, n = 26) a sibling with ASD. Within the high-risk group, we also examined whether any regional differences observed were associated with autistic behaviors at 36 months. We found that high-risk infants had significantly larger cerebellar and subcortical volumes at 4-6-months of age, relative to low-risk infants; and that larger volumes in high-risk infants were linked to more repetitive behaviors at 36 months. Our preliminary observations require replication in longitudinal studies of larger samples. If correct, they suggest that the early subcortex and cerebellum volumes may be predictive biomarkers for childhood repetitive behaviors. Autism Res 2019, 12: 614-627. (c) 2019 The Authors. Autism Research published by International Society for Autism Research published byWiley Periodicals, Inc. LAY SUMMARY: Individuals with a family history of autism spectrum disorder (ASD) are at risk of ASD and related developmental difficulties. This study revealed that 4-6-month-old infants at high-risk of ASD have larger cerebellum and subcortical volumes than low-risk infants, and that larger volumes in high-risk infants are associated with more repetitive behaviors in childhood. En ligne : https://dx.doi.org/10.1002/aur.2083 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=388
in Autism Research > 12-4 (April 2019) . - p.614-627[article] Familial risk of autism alters subcortical and cerebellar brain anatomy in infants and predicts the emergence of repetitive behaviors in early childhood [Texte imprimé et/ou numérique] / I. POTE, Auteur ; S. WANG, Auteur ; V. SETHNA, Auteur ; A. BLASI, Auteur ; Eileen DALY, Auteur ; M. KUKLISOVA-MURGASOVA, Auteur ; S. LLOYD-FOX, Auteur ; E. MERCURE, Auteur ; P. BUSUULWA, Auteur ; V. STOENCHEVA, Auteur ; Tony CHARMAN, Auteur ; S. C. R. WILLIAMS, Auteur ; M. H. JOHNSON, Auteur ; D. G. M. MURPHY, Auteur ; G. M. MCALONAN, Auteur . - p.614-627.
Langues : Anglais (eng)
in Autism Research > 12-4 (April 2019) . - p.614-627
Mots-clés : autism spectrum disorder cerebellum familial risk infants magnetic resonance imaging-structural mother-infant interaction subcortex Index. décimale : PER Périodiques Résumé : Autism spectrum disorder (ASD) is a common neurodevelopmental condition, and infant siblings of children with ASD are at a higher risk of developing autistic traits or an ASD diagnosis, when compared to those with typically developing siblings. Reports of differences in brain anatomy and function in high-risk infants which predict later autistic behaviors are emerging, but although cerebellar and subcortical brain regions have been frequently implicated in ASD, no high-risk study has examined these regions. Therefore, in this study, we compared regional MRI volumes across the whole brain in 4-6-month-old infants with (high-risk, n = 24) and without (low-risk, n = 26) a sibling with ASD. Within the high-risk group, we also examined whether any regional differences observed were associated with autistic behaviors at 36 months. We found that high-risk infants had significantly larger cerebellar and subcortical volumes at 4-6-months of age, relative to low-risk infants; and that larger volumes in high-risk infants were linked to more repetitive behaviors at 36 months. Our preliminary observations require replication in longitudinal studies of larger samples. If correct, they suggest that the early subcortex and cerebellum volumes may be predictive biomarkers for childhood repetitive behaviors. Autism Res 2019, 12: 614-627. (c) 2019 The Authors. Autism Research published by International Society for Autism Research published byWiley Periodicals, Inc. LAY SUMMARY: Individuals with a family history of autism spectrum disorder (ASD) are at risk of ASD and related developmental difficulties. This study revealed that 4-6-month-old infants at high-risk of ASD have larger cerebellum and subcortical volumes than low-risk infants, and that larger volumes in high-risk infants are associated with more repetitive behaviors in childhood. En ligne : https://dx.doi.org/10.1002/aur.2083 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=388