Article

The volume of cortical tissue devoted to a function
often influences the quality of a person's ability to perform that function. Up
to now only white matter correlates of creativity have been reported, and we
wanted to learn if the creative visuospatial performance on the figural Torrance
Test of Creative Thinking (TTCT) is associated with measurements of cerebral gray
matter volume in the regions of the brain that are thought to be important in
divergent reasoning and visuospatial processing.
METHODS: Eighteen healthy
college educated men (mean age=40.78; 15 right-handers) were recruited (via
advertisement) as participants. High-resolution MRI scans were acquired on a 1.5T
MRI scanner. Voxel-based morphometry regression analyses of TTCT to cortical
volume were restrained within the anatomic regions identified. RESULTS: One
significant positive focus of association with TTCT emerged within the right
parietal lobe gray matter (MNI coordinates: 44, -24, 63; 276 voxels).
CONCLUSIONS: Based on theories of parietal lobe function and the requirements of
the TTCT, the area observed may be related due to its dominant role in global
aspects of attention and visuospatial processing including the capacity for
manipulating spatial representations.
CI - Copyright (c) 2011 Elsevier Ltd. All rights reserved.

Langue : ANGLAIS