Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 499113
Title Supersize my brain: a cross-sectional voxel-based morphometry study on the association between self-reported dietary restraint and regional grey matter volumes
Author(s) Laan, Laura N. van der; Charbonnier, L.; Griffioen-Roose, S.; Kroese, F.M.; Rijn, I. van; Smeets, P.A.M.
Source Biological Psychology 117 (2016). - ISSN 0301-0511 - p. 108 - 116.
Department(s) Human Nutrition (HNE)
Chair Sensory Science and Eating Behaviour
Publication type Refereed Article in a scientific journal
Publication year 2016
Abstract Restrained eaters do not eat less than their unrestrained counterparts. Proposed underlying mechanisms are that restrained eaters are more reward sensitive and that they have worse inhibitory control. Although fMRI studies assessed these mechanisms, it is unknown how brain anatomy relates to dietary restraint. Voxel-based morphometry was performed on anatomical scans from 155 normal-weight females to investigate how regional grey matter volume correlates with restraint. A positive correlation was found in several areas, including the parahippocampal gyrus, hippocampus, striatum and the amygdala (bilaterally, p < 0.05, corrected). A negative correlation was found in several areas, including the inferior frontal gyrus, superior frontal gyrus, supplementary motor area, middle cingulate cortex and precentral gyrus (p < 0.05, corrected). That higher restraint relates to higher grey matter volume in reward-related areas and lower grey matter volume in regions involved in inhibition, provides a neuroanatomical underpinning of theories relating restraint to increased reward sensitivity and reduced inhibitory capacity.
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