Grey matter density and GABAA binding potential show a positive linear relationship across cortical regions

N. W. Duncan, P. Gravel, C. Wiebking, A. J. Reader, G. Northoff

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10 引文 斯高帕斯(Scopus)

摘要

Voxel based morphometry (VBM) is a widely used technique for studying the structure of the brain. Direct comparisons between the results obtained using VBM and the underlying histology are limited, however. To circumvent the problems inherent in comparing VBM data in vivo with tissue samples that must generally be obtained post-mortem, we chose to consider GABAA receptors, measured using 18F-flumazenil PET (18F-FMZ-PET), as non-invasive neural markers to be compared with VBM data. Consistent with previous cortical thickness findings, GABAA receptor binding potential (BPND) was found to correlate positively across regions with grey matter (GM) density. These findings confirm that there is a general positive relationship between MRI-based GM density measures and GABAA receptor BPND on a region-by-region basis (i.e., regions with more GM tend to also have higher BPND).
原文英語
頁(從 - 到)226-231
頁數6
期刊Neuroscience
235
DOIs
出版狀態已發佈 - 四月 3 2013
對外發佈Yes

ASJC Scopus subject areas

  • Neuroscience(all)

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