Anterior Temporal Lobe Morphometry Predicts Categorization Ability

被引：9
作者：
Garcin, Beatrice [1 ,2 ]
Urbanski, Marika [1 ,3 ,4 ]
Thiebaut de Schotten, Michel [1 ,4 ,5 ]
Levy, Richard [1 ,2 ,4 ]
Volle, Emmanuelle [1 ]
机构：
[1] UPMC, UMRS 1127, INSERM,Frontlab, U1127,CNRS,UMR 7225,Inst Cerveau & Moelle Epinier, Paris, France
[2] Salpetriere Hosp, AP HP, Dept Neurol, Paris, France
[3] Hop St Maurice, Serv Med & Readaptat, St Maurice, France
[4] Inst Cerveau & Moelle Epiniere, Brain Connect & Behav Grp, Paris, France
[5] Inst Cerveau & Moelle Epiniere, Ctr NeuroImagerie Rech, Paris, France
来源：
FRONTIERS IN HUMAN NEUROSCIENCE | 2018年 / 12卷
关键词：
categorization; semantic; interindividual variability; structural anatomy; voxel-based morphometry; CARD SORTING TEST; DISTORTION-CORRECTED FMRI; PALM TREES TEST; SEMANTIC MEMORY; NORMATIVE DATA; HUMAN BRAIN; INTELLECTUAL ABILITY; OBJECT RECOGNITION; EXECUTIVE FUNCTION; PREFRONTAL CORTEX;
D O I：
10.3389/fnhum.2018.00036
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Categorization is the mental operation by which the brain classifies objects and events. It is classically assessed using semantic and non-semantic matching or sorting tasks. These tasks show a high variability in performance across healthy controls and the cerebral bases supporting this variability remain unknown. In this study we performed a voxel-based morphometry study to explore the relationships between semantic and shape categorization tasks and brain morphometric differences in 50 controls. We found significant correlation between categorization performance and the volume of the gray matter in the right anterior middle and inferior temporal gyri. Semantic categorization tasks were associated with more rostral temporal regions than shape categorization tasks. A significant relationship was also shown between white matter volume in the right temporal lobe and performance in the semantic tasks. Tractography revealed that this white matter region involved several projection and association fibers, including the arcuate fasciculus, inferior fronto-occipital fasciculus, uncinate fasciculus, and inferior longitudinal fasciculus. These results suggest that categorization abilities are supported by the anterior portion of the right temporal lobe and its interaction with other areas.
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页数：12
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