Alexander Bonnie, Loh Wai Yen, Matthews Lillian G, Murray Andrea L, Adamson Chris, Beare Richard, Chen Jian, Kelly Claire E, Anderson Peter J, Doyle Lex W, Spittle Alicia J, Cheong Jeanie L Y, Seal Marc L, Thompson Deanne K
Murdoch Children's Research Institute, Melbourne, VIC, Australia.
Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Melbourne, VIC, Australia.
Front Neurosci. 2019 Feb 5;13:34. doi: 10.3389/fnins.2019.00034. eCollection 2019.
Our recently published M-CRIB atlas comprises 100 neonatal brain regions including 68 compatible with the widely-used Desikan-Killiany adult cortical atlas. A successor to the Desikan-Killiany atlas is the Desikan-Killiany-Tourville atlas, in which some regions with unclear boundaries were removed, and many existing boundaries were revised to conform to clearer landmarks in sulcal fundi. Our first aim here was to modify cortical M-CRIB regions to comply with the Desikan-Killiany-Tourville protocol, in order to offer: (a) compatibility with this adult cortical atlas, (b) greater labeling accuracy due to clearer landmarks, and (c) optimisation of cortical regions for integration with surface-based infant parcellation pipelines. Secondly, we aimed to update subcortical regions in order to offer greater compatibility with subcortical segmentations produced in FreeSurfer. Data utilized were the T2-weighted MRI scans in our M-CRIB atlas, for 10 healthy neonates (post-menstrual age at MRI 40-43 weeks, four female), and corresponding parcellated images. Edits were performed on the parcellated images in volume space using ITK-SNAP. Cortical updates included deletion of frontal and temporal poles and 'Banks STS,' and modification of boundaries of many other regions. Changes to subcortical regions included the addition of 'ventral diencephalon,' and deletion of 'subcortical matter' labels. A detailed updated parcellation protocol was produced. The resulting whole-brain M-CRIB 2.0 atlas comprises 94 regions altogether. This atlas provides comparability with adult Desikan-Killiany-Tourville-labeled cortical data and FreeSurfer-labeed subcortical data, and is more readily adaptable for incorporation into surface-based neonatal parcellation pipelines. As such, it offers the ability to help facilitate a broad range of investigations into brain structure and function both at the neonatal time point and developmentally across the lifespan.
我们最近发表的M-CRIB图谱包含100个新生儿脑区,其中68个与广泛使用的Desikan-Killiany成人皮质图谱兼容。Desikan-Killiany图谱的后续版本是Desikan-Killiany-Tourville图谱,其中一些边界不清晰的区域被移除,许多现有边界被修订,以符合脑沟底部更清晰的地标。我们在此的首要目标是修改皮质M-CRIB区域,以符合Desikan-Killiany-Tourville协议,从而实现:(a) 与该成人皮质图谱兼容;(b) 由于地标更清晰,标记精度更高;(c) 优化皮质区域,以便与基于表面的婴儿脑区划分管道集成。其次,我们旨在更新皮质下区域,以便与FreeSurfer中生成的皮质下分割结果具有更高的兼容性。所使用的数据是我们M-CRIB图谱中10名健康新生儿(MRI检查时的月经后年龄为40-43周,4名女性)的T2加权MRI扫描以及相应的脑区划分图像。使用ITK-SNAP在体素空间中的脑区划分图像上进行编辑。皮质更新包括删除额极和颞极以及“颞上沟岸”,并修改许多其他区域的边界。皮质下区域的变化包括添加“腹侧间脑”,并删除“皮质下物质”标签。生成了详细的更新脑区划分协议。最终得到的全脑M-CRIB 2.0图谱总共包含94个区域。该图谱提供了与成人Desikan-Killiany-Tourville标记的皮质数据和FreeSurfer标记的皮质下数据的可比性,并且更易于纳入基于表面的新生儿脑区划分管道。因此,它能够帮助促进在新生儿阶段以及整个生命周期的发育过程中对脑结构和功能进行广泛的研究。