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Publication year
2014Number of pages
12 p.
Source
Human Brain Mapping, 35, 6, (2014), pp. 2561-2572ISSN
Publication type
Article / Letter to editor

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Organization
PI Group Motivational & Cognitive Control
PI Group Neurobiology of Language
SW OZ BSI OLO
SW OZ BSI KLP
Journal title
Human Brain Mapping
Volume
vol. 35
Issue
iss. 6
Languages used
English (eng)
Page start
p. 2561
Page end
p. 2572
Subject
110 000 Neurocognition of Language; 111 000 Intention & Action; Experimental Psychopathology and Treatment; Learning and PlasticityAbstract
Humans differ widely in their navigational abilities. Studies have shown that self-reports on navigational abilities are good predictors of performance on navigation tasks in real and virtual environments. The caudate nucleus and medial temporal lobe regions have been suggested to subserve different navigational strategies. The ability to use different strategies might underlie navigational ability differences. This study examines the anatomical correlates of self-reported navigational ability in both gray and white matter. Local gray matter volume was compared between a group (N = 134) of good and bad navigators using voxel-based morphometry (VBM), as well as regional volumes. To compare between good and bad navigators, we also measured white matter anatomy using diffusion tensor imaging (DTI) and looked at fractional anisotropy (FA) values. We observed a trend toward higher local GM volume in right anterior parahippocampal/rhinal cortex for good versus bad navigators. Good male navigators showed significantly higher local GM volume in right hippocampus than bad male navigators. Conversely, bad navigators showed increased FA values in the internal capsule, the white matter bundle closest to the caudate nucleus and a trend toward higher local GM volume in the caudate nucleus. Furthermore, caudate nucleus regional volume correlated negatively with navigational ability. These convergent findings across imaging modalities are in line with findings showing that the caudate nucleus and the medial temporal lobes are involved in different wayfinding strategies. Our study is the first to show a link between self-reported large-scale navigational abilities and different measures of brain anatomy.
This item appears in the following Collection(s)
- Academic publications [227437]
- Donders Centre for Cognitive Neuroimaging [3564]
- Electronic publications [107159]
- Faculty of Social Sciences [28417]
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