A proton spectroscopy study of white matter in children with autism.

Abstract:

:White matter abnormalities have been described in autism spectrum disorder (ASD) with mounting evidence implicating these alterations in the pathophysiology of the aberrant connectivity reported in this disorder. The goal of this investigation is to further examine white matter structure in ASD using proton magnetic resonance spectroscopy ((1)H MRS). Multi-voxel, short echo-time in vivo(1)H MRS data were collected from 17 male children with ASD and 17 healthy age- and gender-matched controls. Key (1)H MRS metabolite ratios relative to phosphocreatine plus creatine were obtained from four different right and left white matter regions. Significantly lower N-acetylaspartate/creatine ratios were found in the anterior white matter regions of the ASD group when compared to controls. These findings reflect impairment in neuroaxonal white matter tissue and shed light on the neurobiologic underpinnings of white matter abnormalities in ASD by implicating an alteration in myelin and/or axonal development in this disorder.

authors

Hardan AY,Fung LK,Frazier T,Berquist SW,Minshew NJ,Keshavan MS,Stanley JA

doi

10.1016/j.pnpbp.2015.11.005

subject

Has Abstract

pub_date

2016-04-03 00:00:00

pages

48-53

eissn

0278-5846

issn

1878-4216

pii

S0278-5846(15)30059-2

journal_volume

66

pub_type

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