Hetzer S, Hirsch S, Braun J, Sack I, Weygandt M (2020)
Publication Type: Journal article
Publication year: 2020
Book Volume: 14
Pages Range: 2477-2487
Journal Issue: 6
DOI: 10.1007/s11682-019-00200-w
Although a variety of MRI studies investigated the link between body mass index (BMI) and parameters of neural gray matter (GM), the technique applied in most of these studies, voxel-based morphometry (VBM), focusses on the regional GM volume, a macroscopic tissue property. Thus, the studies were not able to exploit the BMI-related information contained in the GM microstructure although PET studies suggest that these factors are important. Here, we used cerebral MR Elastography (MRE) to characterize features of tissue microstructure by evaluating the propagation of shear waves applied to the skull and to assess local tissue viscoelasticity to test the link between this parameter and BMI in 22 lean to overweight males. Unlike the majority of existing MRE studies investigating neural viscoelasticity signals averaged across large brain regions, we used the viscoelasticity of individual voxels for our experiment. Our technique revealed a negative link between BMI and viscoelasticity of two areas of the striatal reward system, i.e., right putamen (t = −8.2; p
APA:
Hetzer, S., Hirsch, S., Braun, J., Sack, I., & Weygandt, M. (2020). Viscoelasticity of striatal brain areas reflects variations in body mass index of lean to overweight male adults. Brain Imaging and Behavior, 14(6), 2477-2487. https://doi.org/10.1007/s11682-019-00200-w
MLA:
Hetzer, Stefan, et al. "Viscoelasticity of striatal brain areas reflects variations in body mass index of lean to overweight male adults." Brain Imaging and Behavior 14.6 (2020): 2477-2487.
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