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Cross-validation of serial optical coherence scanning and diffusion tensor imaging: a study on neural fiber maps in human medulla oblongata.

Abstract：

:We established a strategy to perform cross-validation of serial optical coherence scanner imaging (SOCS) and diffusion tensor imaging (DTI) on a postmortem human medulla. Following DTI, the sample was serially scanned by SOCS, which integrates a vibratome slicer and a multi-contrast optical coherence tomography rig for large-scale three-dimensional imaging at microscopic resolution. The DTI dataset was registered to the SOCS space. An average correlation coefficient of 0.9 was found between the co-registered fiber maps constructed by fractional anisotropy and retardance contrasts. Pixelwise comparison of fiber orientations demonstrated good agreement between the DTI and SOCS measures. Details of the comparison were studied in regions exhibiting a variety of fiber organizations. DTI estimated the preferential orientation of small fiber tracts; however, it didn't capture their complex patterns as SOCS did. In terms of resolution and imaging depth, SOCS and DTI complement each other, and open new avenues for cross-modality investigations of the brain.

journal_name

Neuroimage

journal_title

NeuroImage

authors

Wang H,Zhu J,Reuter M,Vinke LN,Yendiki A,Boas DA,Fischl B,Akkin T

doi

10.1016/j.neuroimage.2014.06.032

subject

Has Abstract

pub_date

2014-10-15 00:00:00

pages

395-404

eissn

1053-8119

issn

1095-9572

pii

S1053-8119(14)00509-6

journal_volume

100

pub_type

杂志文章

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