期刊
BRAIN STRUCTURE & FUNCTION
卷 218, 期 6, 页码 1429-1450出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00429-012-0468-4
关键词
Diffusion tensor imaging; Brain evolution; Brain architecture
资金
- NIH [EB 006878, R01 HL087923-03S2, R01 R01DA033393, PO1 AG026423]
- NSF CAREER Award [IIS-1149260]
- University of Georgia
- China Government Scholarship
Evolution of the brain has been an inherently interesting problem for centuries. Recent studies have indicated that neuroimaging is a powerful technique for studying brain evolution. In particular, a variety of reports have demonstrated that consistent white matter fiber connection patterns derived from diffusion tensor imaging (DTI) tractography reveal common brain architecture and are predictive of brain functions. In this paper, based on our recently discovered 358 dense individualized and common connectivity-based cortical landmarks (DICCCOL) defined by consistent fiber connection patterns in DTI datasets of human brains, we derived 65 DICCCOLs that are common in macaque monkey, chimpanzee and human brains and 175 DICCCOLs that exhibit significant discrepancies amongst these three primate species. Qualitative and quantitative evaluations not only demonstrated the consistencies of anatomical locations and structural fiber connection patterns of these 65 common DICCCOLs across three primates, suggesting an evolutionarily preserved common brain architecture but also revealed regional patterns of evolutionarily induced complexity and variability of those 175 discrepant DICCCOLs across the three species.
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