Characteristics of Brain DTI for Adult Rhesus Monkey and Young People are Similar

by Bidita Debnath on  January 7, 2014 at 11:03 PM Research News
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Diffusion-tensor imaging (DTI) can be used to observe the microstructure of brain tissue. Fractional anisotropy reflects the integrity of white matter fibers of the brain.
 Characteristics of Brain DTI for Adult Rhesus Monkey and Young People are Similar
Characteristics of Brain DTI for Adult Rhesus Monkey and Young People are Similar

Fractional anisotropy of a young adult brain is low in gray matter, high in white matter, and highest in the splenium of the corpus callosum. A recent study by Dr. Jun Pu and colleagues from Second Affiliated Hospital of Kunming Medical University in China investigated anisotropy values in major white matter tracts and gray matter nuclei in the brains of healthy adult rhesus monkeys.

Results showed no laterality differences in fractional anisotropy values. Fractional anisotropy values were low in the head of caudate nucleus and thalamus in gray matter. Fractional anisotropy values were highest in the splenium of corpus callosum in the white matter, followed by genu of the corpus callosum and the posterior limb of the internal capsule. Fractional anisotropy values were lowest in the semioval center and posterior limb of internal capsule.

These results suggest that fractional anisotropy values in major white matter fibers and the deep gray matter of adult rhesus monkeys are similar to those of healthy young people. These findings were published in the Neural Regeneration Research (Vol. 8, No. 31, 2013).

Source: Eurekalert

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