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Veit, R.* ; Kullmann, S. ; Heni, M. ; Machann, J. ; Häring, H.-U. ; Fritsche, A. ; Preissl, H.

Reduced cortical thickness associated with visceral fat and BMI.

Neuroimage: Clin. 6, 307-311 (2014)
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Open Access Gold
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Structural brain imaging studies have shown that obesity is associated with widespread reductions in gray matter (GM) volume. Although the body mass index (BMI) is an easily accessible anthropometric measure, substantial health problems are more related to specific body fat compartments, like visceral adipose tissue (VAT). We investigated cortical thickness measures in a group of 72 healthy subjects (BMI range 20-35 kg/m(2), age range 19-50 years). Multiple regression analyses were performed using VAT and BMI as predictors and age, gender, total surface area and education as confounds. BMI and VAT were independently associated with reductions in cortical thickness in clusters comprising the left lateral occipital area, the left inferior temporal cortex, and the left precentral and inferior parietal area, while the right insula, the left fusiform gyrus and the right inferior temporal area showed a negative correlation with VAT only. In addition, we could show significant reductions in cortical thickness with increasing VAT adjusted for BMI in the left temporal cortex. We were able to detect widespread cortical thinning in a young to middle-aged population related to BMI and VAT; these findings show close resemblance to studies focusing on GM volume differences in diabetic patients. This may point to the influence of VAT related adverse effects, like low-grade inflammation, as a potentially harmful factor on brain integrity already in individuals at risk of developing diabetes, metabolic syndromes and arteriosclerosis.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Cortical Thickness ; Mr Imaging ; Obesity ; Visceral Adipose Tissue; C-reactive Protein; Voxel-based Morphometry; Human Cerebral-cortex; Gray-matter Volume; Adipose-tissue; Obese Adults; Body-mass; Overweight; Network; Risk
e-ISSN 2213-1582
Journal NeuroImage: Clinical
Quellenangaben Volume: 6, Issue: , Pages: 307-311 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Amsterdam
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Diabetes Research and Metabolic Diseases (IDM)