| Diet choice, cortisol reactivity, and emotional feeding in socially housed rhesus monkeys. | |
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MedLine Citation:
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PMID: 20670639 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Chronic psychosocial stress produces an array of adverse health consequences that are highly comorbid, including emotional eating, affective disorders, and metabolic syndrome. The consumption of high caloric diets (HCDs) is thought to provide comfort in the face of unrelenting psychosocial stress. Using social subordination in female rhesus monkeys as a model of continual exposure to daily stressors in women, we tested the hypothesis that subordinate females would consume significantly more calories from a HCD compared to dominant females, and this pattern of food intake would be associated with reduced cortisol release and reduced frequency of anxiety-like behaviors. Food intake, parameters of cortisol secretion, and socio-emotional behavior were assessed for 3 weeks during a no choice phase when only a low caloric diet (LCD) was available and during a choice condition when both a LCD and HCD were available. While all animals preferred the HCD, subordinate females consumed significantly more of the HCD than did dominant females. A flattening of the diurnal cortisol rhythm and a greater increase in serum cortisol to an acute social separation occurred during the diet choice condition in all females. Furthermore, the rate of anxiety-like behavior progressively declined during the 3-week choice condition in subordinate but not dominant females. These data provide support for the hypothesis that daily exposure to psychosocial stress increases consumption of calorically dense foods. Furthermore, consumption of HCDs may be a metabolic stressor that synergizes with the psychosocial stress of subordination to further increase the consumption of these diets. |
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Authors:
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Marilyn Arce; Vasiliki Michopoulos; Kathryn N Shepard; Quynh-Chau Ha; Mark E Wilson |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S. Date: 2010-07-27 |
Journal Detail:
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Title: Physiology & behavior Volume: 101 ISSN: 1873-507X ISO Abbreviation: Physiol. Behav. Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-10-04 Completed Date: 2011-01-28 Revised Date: 2011-11-02 |
Medline Journal Info:
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Nlm Unique ID: 0151504 Medline TA: Physiol Behav Country: United States |
Other Details:
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Languages: eng Pagination: 446-55 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Animal Resources, Emory University School of Medicine, Atlanta, GA 30322, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adaptation, Psychological Analysis of Variance Animals Circadian Rhythm / physiology Dominance-Subordination* Eating / physiology, psychology* Emotions Energy Intake* Energy Metabolism / physiology Feeding Behavior / physiology, psychology Female Food Preferences / physiology, psychology* Housing, Animal Hydrocortisone / blood Macaca mulatta Social Environment Stress, Psychological / metabolism* |
| Grant Support | |
ID/Acronym/Agency:
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F31 MH085445-01A1/MH/NIMH NIH HHS; HD46501/HD/NICHD NIH HHS; K12 GM000680/GM/NIGMS NIH HHS; P51 RR000165-477524/RR/NCRR NIH HHS; R01 HD046501-04/HD/NICHD NIH HHS; R25 RR024504-04/RR/NCRR NIH HHS; RR00165/RR/NCRR NIH HHS; RR024505/RR/NCRR NIH HHS; T32-MH073525/MH/NIMH NIH HHS |
| Chemical | |
Reg. No./Substance:
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50-23-7/Hydrocortisone |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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