基于体素的形态测量法分析高功能孤独性障碍患儿的脑组织密度

CHINESE JOURNAL OF PSYCHIATRY(2008)

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Abstract
目的 分析学龄孤独性障碍患儿脑组织密度.方法 对17例智能正常的孤独性障碍患儿(病例组)以及15名年龄、性别、智商与之相匹配的健康儿童(对照组)进行T1加权三维磁共振成像扫描,应用基于体素的形态测量法(VBM)比较两组脑灰质及脑白质密度的差异.结果 与对照组相比,孤独性障碍患儿右侧小脑前叶的脑灰质密度低.右前扣带回、右额中回区域的脑白质密度低,双侧顶下小叶、右缘上回、右中央后回、右颞上回、右小脑后叶、左楔前叶、左楔叶的脑灰质密度高(P<0.001).结论 智力正常的学龄孤独性障碍患儿脑组织密度异常明显,且部位广泛.
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Key words
Autistic disorder,Brain,Magnetic resonance imaging,Voxel-based morphometry,Grey matter,White matter
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