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Infant brain development and vulnerability to later internalizing difficulties: the Generation R study.

Abstract：

OBJECTIVE:Although clinical studies have demonstrated smaller subcortical volumes in structures such as the amygdala, hippocampus, caudate nucleus, and thalamus in adults and adolescents with depressive disorders and anxiety, no study has assessed such structures in babies, long before the development of the disorders. This study examined whether the size of the "gangliothalamic ovoid" (encompassing the basal ganglia and thalamus) assessed during infancy is associated with increased internalizing problems in early childhood. METHOD:Cranial ultrasounds were used to assess gangliothalamic ovoid diameter and ventricular volume at 6 weeks of postnatal age; moreover, head circumference was measured. Outcome data included ratings of internalizing and externalizing problems using the Child Behavior Checklist (reported by mothers and fathers) at 18 and/or 36 months. Analyses were based on a total of 651 children. RESULTS:Smaller gangliothalamic diameter was associated with higher Child Behavior Checklist Internalizing scores at ages 18 and 36 months. Results remained significant after correcting for head circumference and were evident for the DSM-oriented subscales of anxiety problems and affective problems. Total ventricular volume was not consistently associated with Internalizing scores. CONCLUSIONS:Findings associating infant brain measurements with Child Behavior Checklist mother and father reports at two time points are consistent with previous cross-sectional reports of smaller subcortical volumes in depression. Results were not simply reflective of overall brain development, because the pattern held after adjustment for head circumference. This is the first study to point toward a biological vulnerability evident in infancy, involved in the development of internalizing problems in childhood.

journal_name

J Am Acad Child Adolesc Psychiatry

journal_title

Journal of the American Academy of Child and Adolescent Psychiatry

authors

Herba CM,Roza SJ,Govaert P,van Rossum J,Hofman A,Jaddoe V,Verhulst FC,Tiemeier H

doi

10.1016/j.jaac.2010.07.003

subject

Has Abstract

pub_date

2010-10-01 00:00:00

pages

1053-63

issue

eissn

0890-8567

issn

1527-5418

pii

S0890-8567(10)00557-5

journal_volume

pub_type

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Infant brain development and vulnerability to later internalizing difficulties: the Generation R study.