A Diffusion MRI Tractography Connectome of the Mouse Brain and Comparison with Neuronal Tracer Data.

dc.contributor.author

Calabrese, Evan

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Badea, Alexandra

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Cofer, Gary

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Qi, Yi

dc.contributor.author

Johnson, G Allan

dc.coverage.spatial

United States

dc.date.accessioned

2015-07-28T14:27:08Z

dc.date.issued

2015-11

dc.description.abstract

Interest in structural brain connectivity has grown with the understanding that abnormal neural connections may play a role in neurologic and psychiatric diseases. Small animal connectivity mapping techniques are particularly important for identifying aberrant connectivity in disease models. Diffusion magnetic resonance imaging tractography can provide nondestructive, 3D, brain-wide connectivity maps, but has historically been limited by low spatial resolution, low signal-to-noise ratio, and the difficulty in estimating multiple fiber orientations within a single image voxel. Small animal diffusion tractography can be substantially improved through the combination of ex vivo MRI with exogenous contrast agents, advanced diffusion acquisition and reconstruction techniques, and probabilistic fiber tracking. Here, we present a comprehensive, probabilistic tractography connectome of the mouse brain at microscopic resolution, and a comparison of these data with a neuronal tracer-based connectivity data from the Allen Brain Atlas. This work serves as a reference database for future tractography studies in the mouse brain, and demonstrates the fundamental differences between tractography and neuronal tracer data.

dc.identifier

https://www.ncbi.nlm.nih.gov/pubmed/26048951

dc.identifier

bhv121

dc.identifier.eissn

1460-2199

dc.identifier.uri

https://hdl.handle.net/10161/10325

dc.language

eng

dc.publisher

Oxford University Press (OUP)

dc.relation.ispartof

Cereb Cortex

dc.relation.isversionof

10.1093/cercor/bhv121

dc.subject

connectome

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magnetic resonance imaging

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mouse

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neuroanatomy

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tractography

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Animals

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Brain

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Connectome

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Contrast Media

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Diffusion Magnetic Resonance Imaging

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Image Processing, Computer-Assisted

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Male

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Mice

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Mice, Inbred C57BL

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Models, Neurological

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Neural Pathways

dc.title

A Diffusion MRI Tractography Connectome of the Mouse Brain and Comparison with Neuronal Tracer Data.

dc.type

Journal article

duke.contributor.orcid

Calabrese, Evan|0000-0002-1464-0354

duke.contributor.orcid

Badea, Alexandra|0000-0001-6621-4560

duke.contributor.orcid

Johnson, G Allan|0000-0002-7606-5447

pubs.author-url

https://www.ncbi.nlm.nih.gov/pubmed/26048951

pubs.begin-page

4628

pubs.end-page

4637

pubs.issue

11

pubs.organisational-group

Clinical Science Departments

pubs.organisational-group

Duke

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Duke Cancer Institute

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Institutes and Centers

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Physics

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Radiology

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School of Medicine

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Staff

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Trinity College of Arts & Sciences

pubs.publication-status

Published

pubs.volume

25

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