Atypical development of white matter microstructure of the corpus callosum in males with autism: a longitudinal investigation / Brittany G. TRAVERS in Molecular Autism, (March 2015)  

Public ISBD [article]  inMolecular Autism > (March 2015) . - p.1-15 Titre : Atypical development of white matter microstructure of the corpus callosum in males with autism: a longitudinal investigation Type de document : Texte imprimé et/ou numérique Auteurs : Brittany G. TRAVERS, Auteur ; Do P. M. TROMP, Auteur ; Nagesh ADLURU, Auteur ; Nicholas LANGE, Auteur ; Dan DESTICHE, Auteur ; Chad ENNIS, Auteur ; Jared A. NIELSEN, Auteur ; Alyson L. FROEHLICH, Auteur ; Molly B. D. PRIGGE, Auteur ; P. Thomas FLETCHER, Auteur ; Jeffrey S. ANDERSON, Auteur ; Brandon A. ZIELINSKI, Auteur ; Erin D. BIGLER, Auteur ; Janet E. LAINHART, Auteur ; Andrew L. ALEXANDER, Auteur Article en page(s) : p.1-15 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : The corpus callosum is the largest white matter structure in the brain, and it is the most consistently reported to be atypical in diffusion tensor imaging studies of autism spectrum disorder. In individuals with typical development, the corpus callosum is known to undergo a protracted development from childhood through young adulthood. However, no study has longitudinally examined the developmental trajectory of corpus callosum in autism past early childhood. En ligne : http://dx.doi.org/10.1186/s13229-015-0001-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=277 [article] Atypical development of white matter microstructure of the corpus callosum in males with autism: a longitudinal investigation [Texte imprimé et/ou numérique] / Brittany G. TRAVERS, Auteur ; Do P. M. TROMP, Auteur ; Nagesh ADLURU, Auteur ; Nicholas LANGE, Auteur ; Dan DESTICHE, Auteur ; Chad ENNIS, Auteur ; Jared A. NIELSEN, Auteur ; Alyson L. FROEHLICH, Auteur ; Molly B. D. PRIGGE, Auteur ; P. Thomas FLETCHER, Auteur ; Jeffrey S. ANDERSON, Auteur ; Brandon A. ZIELINSKI, Auteur ; Erin D. BIGLER, Auteur ; Janet E. LAINHART, Auteur ; Andrew L. ALEXANDER, Auteur . - p.1-15. Langues : Anglais (eng) in Molecular Autism > (March 2015) . - p.1-15 Index. décimale : PER Périodiques Résumé : The corpus callosum is the largest white matter structure in the brain, and it is the most consistently reported to be atypical in diffusion tensor imaging studies of autism spectrum disorder. In individuals with typical development, the corpus callosum is known to undergo a protracted development from childhood through young adulthood. However, no study has longitudinally examined the developmental trajectory of corpus callosum in autism past early childhood. En ligne : http://dx.doi.org/10.1186/s13229-015-0001-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=277

Brainstem White Matter Predicts Individual Differences in Manual Motor Difficulties and Symptom Severity in Autism / Brittany G. TRAVERS in Journal of Autism and Developmental Disorders, 45-9 (September 2015)  

Public ISBD [article]  inJournal of Autism and Developmental Disorders > 45-9 (September 2015) . - p.3030-3040 Titre : Brainstem White Matter Predicts Individual Differences in Manual Motor Difficulties and Symptom Severity in Autism Type de document : Texte imprimé et/ou numérique Auteurs : Brittany G. TRAVERS, Auteur ; Erin D. BIGLER, Auteur ; Do P. M. TROMP, Auteur ; Nagesh ADLURU, Auteur ; Dan DESTICHE, Auteur ; Danica SAMSIN, Auteur ; Alyson FROEHLICH, Auteur ; Molly D. B. PRIGGE, Auteur ; Tyler C. DUFFIELD, Auteur ; Nicholas LANGE, Auteur ; Andrew L. ALEXANDER, Auteur ; Janet E. LAINHART, Auteur Article en page(s) : p.3030-3040 Langues : Anglais (eng) Mots-clés : Autism  Motor  Diffusion tensor imaging  Brainstem  Grip strength  Finger tapping Index. décimale : PER Périodiques Résumé : Mounting evidence suggests that poorer motor skills may be related to more severe autism symptoms. This study investigated if atypical white matter microstructure in the brain mediated the relationship between motor skills and ASD symptom severity. Sixty-seven males with ASD and 42 males with typical development (5–33 years old) completed a diffusion tensor imaging scan and measures of grip strength, finger tapping, and autism symptom severity. Within the ASD group, weaker grip strength predicted more severe autism symptoms. Fractional anisotropy of the brainstem’s corticospinal tract predicted both grip strength and autism symptom severity and mediated the relationship between the two. These findings suggest that brainstem white matter may contribute to autism symptoms and grip strength in ASD. En ligne : http://dx.doi.org/10.1007/s10803-015-2467-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=267 [article] Brainstem White Matter Predicts Individual Differences in Manual Motor Difficulties and Symptom Severity in Autism [Texte imprimé et/ou numérique] / Brittany G. TRAVERS, Auteur ; Erin D. BIGLER, Auteur ; Do P. M. TROMP, Auteur ; Nagesh ADLURU, Auteur ; Dan DESTICHE, Auteur ; Danica SAMSIN, Auteur ; Alyson FROEHLICH, Auteur ; Molly D. B. PRIGGE, Auteur ; Tyler C. DUFFIELD, Auteur ; Nicholas LANGE, Auteur ; Andrew L. ALEXANDER, Auteur ; Janet E. LAINHART, Auteur . - p.3030-3040. Langues : Anglais (eng) in Journal of Autism and Developmental Disorders > 45-9 (September 2015) . - p.3030-3040 Mots-clés : Autism  Motor  Diffusion tensor imaging  Brainstem  Grip strength  Finger tapping Index. décimale : PER Périodiques Résumé : Mounting evidence suggests that poorer motor skills may be related to more severe autism symptoms. This study investigated if atypical white matter microstructure in the brain mediated the relationship between motor skills and ASD symptom severity. Sixty-seven males with ASD and 42 males with typical development (5–33 years old) completed a diffusion tensor imaging scan and measures of grip strength, finger tapping, and autism symptom severity. Within the ASD group, weaker grip strength predicted more severe autism symptoms. Fractional anisotropy of the brainstem’s corticospinal tract predicted both grip strength and autism symptom severity and mediated the relationship between the two. These findings suggest that brainstem white matter may contribute to autism symptoms and grip strength in ASD. En ligne : http://dx.doi.org/10.1007/s10803-015-2467-9 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=267

Diffusion Tensor Imaging in Autism Spectrum Disorder: A Review / Brittany G. TRAVERS in Autism Research, 5-5 (October 2012)  

Public ISBD [article]  inAutism Research > 5-5 (October 2012) . - p.289-313 Titre : Diffusion Tensor Imaging in Autism Spectrum Disorder: A Review Type de document : Texte imprimé et/ou numérique Auteurs : Brittany G. TRAVERS, Auteur ; Nagesh ADLURU, Auteur ; Chad ENNIS, Auteur ; Do P. M. TROMP, Auteur ; Dan DESTICHE, Auteur ; Sam DORAN, Auteur ; Erin D. BIGLER, Auteur ; Nicholas LANGE, Auteur ; Janet E. LAINHART, Auteur ; Andrew A. ALEXANDER, Auteur Article en page(s) : p.289-313 Langues : Anglais (eng) Mots-clés : diffusion tensor imaging  neuroimaging  autism  white matter Index. décimale : PER Périodiques Résumé : White matter tracts of the brain allow neurons and neuronal networks to communicate and function with high efficiency. The aim of this review is to briefly introduce diffusion tensor imaging methods that examine white matter tracts and then to give an overview of the studies that have investigated white matter integrity in the brains of individuals with autism spectrum disorder (ASD). From the 48 studies we reviewed, persons with ASD tended to have decreased fractional anisotropy and increased mean diffusivity in white matter tracts spanning many regions of the brain but most consistently in regions such as the corpus callosum, cingulum, and aspects of the temporal lobe. This decrease in fractional anisotropy was often accompanied by increased radial diffusivity. Additionally, the review suggests possible atypical lateralization in some white matter tracts of the brain and a possible atypical developmental trajectory of white matter microstructure in persons with ASD. Clinical implications and future research directions are discussed. Autism Res 2012, 5: 289–313. © 2012 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1243 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=183 [article] Diffusion Tensor Imaging in Autism Spectrum Disorder: A Review [Texte imprimé et/ou numérique] / Brittany G. TRAVERS, Auteur ; Nagesh ADLURU, Auteur ; Chad ENNIS, Auteur ; Do P. M. TROMP, Auteur ; Dan DESTICHE, Auteur ; Sam DORAN, Auteur ; Erin D. BIGLER, Auteur ; Nicholas LANGE, Auteur ; Janet E. LAINHART, Auteur ; Andrew A. ALEXANDER, Auteur . - p.289-313. Langues : Anglais (eng) in Autism Research > 5-5 (October 2012) . - p.289-313 Mots-clés : diffusion tensor imaging  neuroimaging  autism  white matter Index. décimale : PER Périodiques Résumé : White matter tracts of the brain allow neurons and neuronal networks to communicate and function with high efficiency. The aim of this review is to briefly introduce diffusion tensor imaging methods that examine white matter tracts and then to give an overview of the studies that have investigated white matter integrity in the brains of individuals with autism spectrum disorder (ASD). From the 48 studies we reviewed, persons with ASD tended to have decreased fractional anisotropy and increased mean diffusivity in white matter tracts spanning many regions of the brain but most consistently in regions such as the corpus callosum, cingulum, and aspects of the temporal lobe. This decrease in fractional anisotropy was often accompanied by increased radial diffusivity. Additionally, the review suggests possible atypical lateralization in some white matter tracts of the brain and a possible atypical developmental trajectory of white matter microstructure in persons with ASD. Clinical implications and future research directions are discussed. Autism Res 2012, 5: 289–313. © 2012 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1243 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=183

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