| A simple method for detection of food foraging behavior in the rat: involvement of NMDA and dopamine receptors in the behavior. | |
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MedLine Citation:
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PMID: 22244978 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Food foraging behavior involves food removing, hoarding, and competitive preying upon other animals. It is also associated with high cognitive functions such as investing effort into decision making, but no established laboratory model is available to detect the behaviors. In the present study, we have developed a novel laboratory rodent model to detect competitive, non-competitive, and no-hurdle foraging conditions that can mimic the corresponding environment in nature. We found that normal rats consistently foraged the food from a food container to the field and spread food into piles in the open field. There was no difference between male and female rats in the amount of foraged food in the competitive, non-competitive, and no-hurdle food foraging tests. The amount of foraged food was consistent each day for five consecutive days with a slight increase in following days. There was no significant difference in the amount of food foraged in the presence or absence of bedding materials. A dramatic decrease of foraged food was found in the rats after administration of haloperidol (dopamine D2 receptor antagonist) in the competitive, non-competitive, and no-hurdle food foraging tests. Treatment with MK-801 (non-competitive NMDA receptor antagonist) reduced the foraged food in the competitive food foraging test, but did not affect the foraged food in the non-competitive and no-hurdle food foraging tests. Our study provides a simple but consistent analogue of natural food foraging behavior. Our study also suggests that dopaminergic and glutaminergic systems are differentially involved in the food foraging behaviors. |
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Authors:
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F Li; W Y Cao; M B Li; Y Xu; J W Zhang; J Y Zhang; X G Luo; R P Dai; X F Zhou; C Q Li |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-8 |
Journal Detail:
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Title: Neuroscience Volume: - ISSN: 1873-7544 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7605074 Medline TA: Neuroscience Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012. Published by Elsevier Ltd. |
Affiliation:
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Department of Anatomy and Neurobiology, XiangYa School of Medicine, Central South University, Tongzipo Road 172, Changsha 410013, Hunan, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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