Abstract #0276
Cortical parcellation based on DTI connectivity--validation in the squirrel monkey brain
Yurui Gao 1,2 , Andrew J Plassard 3 , Ann Choe 2,4 , Iwona Stepniewskwa 5 , Xia Li 4 , Bennett A Landman 4,6 , and Adam W Anderson 2,4
1
VUIIS, Vanderbilt University, Nashville,
Tennessee, United States,
2
BME,
Vanderbilt University, TN, United States,
3
Computer
Science, Vanderbilt University, TN, United States,
4
VUIIS,
Vanderbilt University, TN, United States,
5
Psychology,
Vanderbilt University, TN, United States,
6
Electrical
Engineering, Vanderbilt University, TN, United States
Diffusion MRI has been proposed as a method to
parcellate cortex into functionally distinct regions
based on tractography-derived connectivity features.
However, the accuracy of the parcellation has not been
investigated extensively. This study aimed to validate
DTI connectivity-based cortical parcellation by
comparison to a histological gold-standard. The
comparison reveals the potential and limitations of
connectivity-based parcellation.
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