Child's Nervous System

, Volume 28, Issue 7, pp 1083–1090 | Cite as

Brain volume and shape in infants with deformational plagiocephaly

  • Brent R. Collett
  • Elizabeth H. Aylward
  • Jessica Berg
  • Candice Davidoff
  • Justin Norden
  • Michael L. Cunningham
  • Matthew L. Speltz
Original Paper

Abstract

Purpose

Infants with deformational plagiocephaly (DP) have been shown to exhibit developmental delays relative to unaffected infants. Although the mechanisms accounting for these delays are unknown, one hypothesis focuses on underlying differences in brain development. In this study, we used MRI to examine brain volume and shape in infants with and without DP.

Methods

Participants included 20 infants with DP (mean age = 7.9 months, SD = 1.2; n = 12 male) and 21 controls (mean age = 7.9 months, SD = 1.3; n = 11 male). Measures included volumes of the total brain and cerebellum; midsagittal areas of the corpus callosum and cerebellar vermis; and linear distance measures used to quantify the shape of selected brain structures. We also evaluated the association between shape measures and developmental scores on the Bayley Scales of Infant and Toddler Development-III (BSID-III).

Results

Brain volume did not distinguish cases and controls (p = .214–.976). However, cases exhibited greater asymmetry and flattening of the posterior brain (p < .001–.002) and cerebellar vermis (p = .035), shortening of the corpus callosum (p = .012), and differences in the orientation of the corpus callosum (p = .005). Asymmetry and flattening of brain structures were associated with worse developmental outcomes on the BSID-III.

Conclusions

Infants with DP show differences in brain shape, consistent with the skull deformity characteristic of this condition, and shape measures were associated with infant development. Longitudinal studies, beginning in the neonatal period, are needed to clarify whether developmental effects precede or follow brain deformation.

Keywords

Plagiocephaly Infant MRI Development 

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • Brent R. Collett
    • 1
    • 3
  • Elizabeth H. Aylward
    • 2
  • Jessica Berg
    • 3
  • Candice Davidoff
    • 2
  • Justin Norden
    • 2
  • Michael L. Cunningham
    • 4
    • 5
  • Matthew L. Speltz
    • 1
    • 3
  1. 1.Department of Psychiatry and Behavioral SciencesUniversity of WashingtonSeattleUSA
  2. 2.Center for Integrative Brain ResearchSeattle Children’s Research InstituteSeattleUSA
  3. 3.Center for Child Health, Behavior, and DevelopmentSeattle Children’s Research InstituteSeattleUSA
  4. 4.Department of PediatricsUniversity of WashingtonSeattleUSA
  5. 5.Seattle Children’s Craniofacial CenterSeattleUSA

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