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Girls' internalizing symptoms and white matter tracts in Cortico-Limbic circuitry.


ABSTRACT: Dysfunction in cortico-limbic circuitry is implicated in internalizing disorders (i.e., depressive and anxious disorders), but less is known about whether structural variations precede frank disorder and thus potentially mark risk. We therefore examined associations between white matter (WM) tract microstructure in cortico-limbic circuitry at age 7 and concurrent and longitudinal patterns of internalizing symptoms in 42 typically developing girls using Diffusion Tensor Imaging (DTI). Girls' internalizing symptoms were concurrently associated with reduced fractional anisotropy (FA) in segments of the cingulum bundle (CB) and the uncinate fasciculus (UF), bilaterally. Moreover, latent profile analysis showed that girls with increasing internalizing symptoms, based on assessments at ages 3, 6, 7, and 8, had reduced FA in these segments compared to girls with stably low symptoms. These results point to a putative neural mechanism underlying the course of childhood internalizing symptoms.

SUBMITTER: Mohamed Ali O 

PROVIDER: S-EPMC6412069 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Girls' internalizing symptoms and white matter tracts in Cortico-Limbic circuitry.

Mohamed Ali Ola O   Vandermeer Matthew R J MRJ   Sheikh Haroon I HI   Joanisse Marc F MF   Hayden Elizabeth P EP  

NeuroImage. Clinical 20181227


Dysfunction in cortico-limbic circuitry is implicated in internalizing disorders (i.e., depressive and anxious disorders), but less is known about whether structural variations precede frank disorder and thus potentially mark risk. We therefore examined associations between white matter (WM) tract microstructure in cortico-limbic circuitry at age 7 and concurrent and longitudinal patterns of internalizing symptoms in 42 typically developing girls using Diffusion Tensor Imaging (DTI). Girls' inte  ...[more]

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