首页> 外文会议>International conference on medical imaging computing and computer-assisted intervention >Do Baby Brain Cortices that Look Alike at Birth Grow Alike During the First Year of Postnatal Development?
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Do Baby Brain Cortices that Look Alike at Birth Grow Alike During the First Year of Postnatal Development?

机译:在出生后第一年,看起来像婴儿的婴儿大脑皮层会长大吗?

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The neonatal brain cortex is marked with complex and high-convoluted morphology, that undergoes dramatic changes over the first year of postnatal development. A large body of existing research works investigating 'the developing brain' have focused on looking at changes in cortical morphology and charting the developmental trajectories of the cortex. However, the relationship between neonatal cortical morphology and its postnatal growth trajectory was poorly investigated. Notably, understanding the multi-scale shape-growth relationship may help identify early neurodevelopmental disorders that affect it. Here, we unprece-dentedly explore the question: "Do cortices that look alike in shape at birth have similar kinetic growth patterns?". To this aim, we propose to analyze shape-growth relationship at three different scales. On a global scale, we found that neonatal cortices similar in geometric closeness are significantly correlated with their postnatal overall growth dynamics from birth till 1-year-old (r = 0.27). This finding was replicated when using shape similarity in morphology (r = 0.20). On a local scale, for both hemispheres, 20% of cortical regions displayed a significant high correlation (r > 0.4) between their similarities in morphology and dynamics. On a connectional scale, we identified hubs of cortical regions that were consistently similar in morphology and developed similarly across subjects including the cingulate cortex using a novel integral shape-growth brain graph representation.
机译:新生儿大脑皮层的特征是复杂且高度复杂的形态,在出生后的第一年中发生了巨大的变化。现有大量有关“大脑发育”的研究工作,着眼于观察皮层形态的变化并绘制皮层的发展轨迹。但是,对新生儿皮质形态与其产后生长轨迹之间的关系的研究很少。值得注意的是,了解多尺度的形状-生长关系可能有助于识别影响它的早期神经发育障碍。在这里,我们毫不费力地探索了一个问题:“出生时形状相似的皮质具有相似的动力学生长模式吗?”。为此,我们建议在三个不同的尺度上分析形状-生长关系。在全球范围内,我们发现,从出生到1岁,新生儿的皮质在几何学上的相似性与它们的出生后总体生长动态显着相关(r = 0.27)。当在形态学中使用形状相似性时(r = 0.20),这一发现得到了重复。在局部范围内,对于两个半球,它们的形态和动力学相似性之间都显示出显着的高度相关性(r> 0.4),这对两个半球都是如此。在连接尺度上,我们使用新颖的整形生长脑图表示法确定了形态一致且在包括扣带回皮层在内的受试者之间相似发展的皮质区域中心。

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