Abstract
To study the relationship of the structure of the white matter of the brain, neurovascularization and cognitive functions in obese children and adolescents. The study included 64 obese patients, aged 12-17 years, and 54 children without excess body weight. A general clinical examination, neuropsychological testing (the Raven's test with the calculation of IQ, MoCA, the Rey 15-Item Memory Test (RMT), 1 and 2), magnetic resonance imaging (MR) tractography and contrast-free perfusion of the brain were conducted. Obese children and adolescents had both a decrease in scores on MoCA and the Raven's test, and in terms of IQ, while according to RMT-1, there were significant differences in the two groups, and in RMT-2 the results were comparable. Perfusion analysis showed a decrease in vascularization in the white matter area of the occipital lobe on the left and its increase in the temporal lobe area also on the left. When assessing the white matter according to MR tractography, a decrease in fractional anisotropy was noted in the area of the hook-shaped beam on the right and left, anterior and posterior commissural tracts. These changes were correlated with neuropsychological results. In obese children and adolescents, there was a destruction of the integrity of the white matter and neurovascularization of the brain associated with a deficit of cognitive functions.
Published Version
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