A Two-Year Longitudinal MRI Study of the Corpus Callosum in Autism

被引:0
作者
Thomas W. Frazier
Matcheri S. Keshavan
Nancy J. Minshew
Antonio Y. Hardan
机构
[1] Cleveland Clinic,Center for Autism (CRS10) and Pediatric Behavioral Health
[2] Harvard Medical School,Department of Psychiatry, Beth Israel and Deaconess Medical Center
[3] University of Pittsburgh School of Medicine,Western Psychiatric Institute and Clinic
[4] Stanford University,Department of Psychiatry and Behavioral Sciences
来源
Journal of Autism and Developmental Disorders | 2012年 / 42卷
关键词
Magnetic resonance imaging; Autism; Corpus callosum; Rostral body;
D O I
暂无
中图分类号
学科分类号
摘要
A growing body of literature has identified size reductions of the corpus callosum (CC) in autism. However, to our knowledge, no published studies have reported on the growth of CC volumes in youth with autism. Volumes of the total CC and its sub-divisions were obtained from 23 male children with autism and 23 age- and gender-matched controls at baseline and 2-year follow-up. Persistent reductions in total CC volume were observed in participants with autism relative to controls. Only the rostral body subdivision showed a normalization of size over time. Persistent reductions are consistent with the diagnostic stability and life-long impairment observed in many individuals with autism. Multi-modal imaging studies are needed to identify specific fiber tracks contributing to CC reductions.
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页码:2312 / 2322
页数:10
相关论文
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  • [1] Alexander AL(2007)Diffusion tensor imaging of the corpus callosum in autism Neuroimage 34 61-73
  • [2] Lee JE(2008)Neuroanatomy of autism Trends in Neurosciences 31 137-145
  • [3] Lazar M(1993)Autism and megalencephaly Lancet 341 1225-1226
  • [4] Boudos R(1998)A clinicopathological study of autism Brain 121 889-905
  • [5] DuBray MB(2004)White matter structure in autism: Preliminary evidence from diffusion tensor imaging Biological Psychiatry 55 323-326
  • [6] Oakes TR(1996)Intact and impaired memory functions in autism Child Development 67 1816-1835
  • [7] Amaral DG(2005)Autism after adolescence: Population-based 13- to 22-year follow-up study of 120 individuals with autism diagnosed in childhood Journal of Autism and Developmental Disorders 35 351-360
  • [8] Schumann CM(2006)Corpus callosum morphometrics in young children with autism spectrum disorder Journal of Autism and Developmental Disorders 36 733-739
  • [9] Nordahl CW(1999)Patterns of parent-reported problems indicative in autism Psychopathology 32 93-97
  • [10] Bailey A(2003)Brain anatomy and development in autism: Review of structural MRI studies Brain Research Bulletin 61 557-569