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Medial Frontal Lobe Neurochemistry in Autism Spectrum Disorder is Marked by Reduced N-Acetylaspartate and Unchanged Gamma-Aminobutyric Acid and Glutamate + Glutamine Levels / A. CARVALHO PEREIRA in Journal of Autism and Developmental Disorders, 48-5 (May 2018)
[article]
Titre : Medial Frontal Lobe Neurochemistry in Autism Spectrum Disorder is Marked by Reduced N-Acetylaspartate and Unchanged Gamma-Aminobutyric Acid and Glutamate + Glutamine Levels Type de document : Texte imprimé et/ou numérique Auteurs : A. CARVALHO PEREIRA, Auteur ; I. R. VIOLANTE, Auteur ; S. MOUGA, Auteur ; G. OLIVEIRA, Auteur ; Miguel CASTELO-BRANCO, Auteur Article en page(s) : p.1467-1482 Langues : Anglais (eng) Mots-clés : Autism diagnostic interview-revised Autism spectrum disorder Creatine Gamma-aminobutyric acid Glutamate + glutamine N-acetylaspartate Index. décimale : PER Périodiques Résumé : The nature of neurochemical changes in autism spectrum disorder (ASD) remains controversial. We compared medial prefrontal cortex (mPFC) neurochemistry of twenty high-functioning children and adolescents with ASD without associated comorbidities and fourteen controls. We observed reduced total N-acetylaspartate (tNAA) and total creatine, increased Glx/tNAA but unchanged glutamate + glutamine (Glx) and unchanged absolute or relative gamma-aminobutyric acid (GABA+) in the ASD group. Importantly, both smaller absolute and relative GABA+ levels were associated with worse communication skills and developmental delay scores assessed by the autism diagnostic interview-revised (ADI-R). We conclude that tNAA is reduced in the mPFC in ASD and that glutamatergic metabolism may be altered due to unbalanced Glx/tNAA. Moreover, GABA+ is related to autistic symptoms assessed by the ADI-R. En ligne : http://dx.doi.org/10.1007/s10803-017-3406-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=355
in Journal of Autism and Developmental Disorders > 48-5 (May 2018) . - p.1467-1482[article] Medial Frontal Lobe Neurochemistry in Autism Spectrum Disorder is Marked by Reduced N-Acetylaspartate and Unchanged Gamma-Aminobutyric Acid and Glutamate + Glutamine Levels [Texte imprimé et/ou numérique] / A. CARVALHO PEREIRA, Auteur ; I. R. VIOLANTE, Auteur ; S. MOUGA, Auteur ; G. OLIVEIRA, Auteur ; Miguel CASTELO-BRANCO, Auteur . - p.1467-1482.
Langues : Anglais (eng)
in Journal of Autism and Developmental Disorders > 48-5 (May 2018) . - p.1467-1482
Mots-clés : Autism diagnostic interview-revised Autism spectrum disorder Creatine Gamma-aminobutyric acid Glutamate + glutamine N-acetylaspartate Index. décimale : PER Périodiques Résumé : The nature of neurochemical changes in autism spectrum disorder (ASD) remains controversial. We compared medial prefrontal cortex (mPFC) neurochemistry of twenty high-functioning children and adolescents with ASD without associated comorbidities and fourteen controls. We observed reduced total N-acetylaspartate (tNAA) and total creatine, increased Glx/tNAA but unchanged glutamate + glutamine (Glx) and unchanged absolute or relative gamma-aminobutyric acid (GABA+) in the ASD group. Importantly, both smaller absolute and relative GABA+ levels were associated with worse communication skills and developmental delay scores assessed by the autism diagnostic interview-revised (ADI-R). We conclude that tNAA is reduced in the mPFC in ASD and that glutamatergic metabolism may be altered due to unbalanced Glx/tNAA. Moreover, GABA+ is related to autistic symptoms assessed by the ADI-R. En ligne : http://dx.doi.org/10.1007/s10803-017-3406-8 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=355