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Macular Carotenoids, Aerobic Fitness, and Central Adiposity Are Associated Differentially with Hippocampal-Dependent Relational Memory in Preadolescent Children
Objectives To examine the associations of macular pigment carotenoids (lutein, meso -zeaxanthin, and zeaxanthin), aerobic fitness, and central adiposity with hippocampal-dependent relational memory in prepubescent children. Study design Children between 7 and 10 years of age (n = 40) completed a tas...
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Published in: | The Journal of pediatrics 2017-04, Vol.183, p.108-114.e1 |
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Main Authors: | , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Objectives To examine the associations of macular pigment carotenoids (lutein, meso -zeaxanthin, and zeaxanthin), aerobic fitness, and central adiposity with hippocampal-dependent relational memory in prepubescent children. Study design Children between 7 and 10 years of age (n = 40) completed a task designed to assess relational memory performance and participated in aerobic fitness, adiposity, and macular pigment optical density (MPOD) assessment. Aerobic fitness was assessed via a modified Balke treadmill protocol designed to measure maximal oxygen volume. Central adiposity was assessed via dual-energy x-ray absorptiometry. MPOD was measured psychophysically by the use of customized heterochromatic flicker photometry. Statistical analyses included correlations and hierarchical linear regression. Results Aerobic fitness and MPOD were associated negatively with relational memory errors ( P |
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ISSN: | 0022-3476 1097-6833 |
DOI: | 10.1016/j.jpeds.2017.01.016 |