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Environmental Enrichment Improves Novel Object Recognition and Enhances Agonistic Behavior in Male Mice.

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Title: Environmental Enrichment Improves Novel Object Recognition and Enhances Agonistic Behavior in Male Mice.
Authors: Mesa‐Gresa, Patricia, Pérez‐Martinez, Asunción, Redolat, Rosa
Source: Aggressive Behavior. Jul/Aug2013, Vol. 39 Issue 4, p269-279. 11p. 1 Chart, 2 Graphs.
Subjects: Agonistic behavior in animals, Laboratory mice, Recognition (Psychology), Brain stimulation, Environmental enrichment, Longitudinal method
Abstract: Environmental enrichment (EE) is an experimental paradigm in which rodents are housed in complex environments containing objects that provide stimulation, the effects of which are expected to improve the welfare of these subjects. EE has been shown to considerably improve learning and memory in rodents. However, knowledge about the effects of EE on social interaction is generally limited and rather controversial. Thus, our aim was to evaluate both novel object recognition and agonistic behavior in NMRI mice receiving EE, hypothesizing enhanced cognition and slightly enhanced agonistic interaction upon EE rearing. During a 4-week period half the mice ( n = 16) were exposed to EE and the other half ( n = 16) remained in a standard environment (SE). On PND 56-57, animals performed the object recognition test, in which recognition memory was measured using a discrimination index. The social interaction test consisted of an encounter between an experimental animal and a standard opponent. Results indicated that EE mice explored the new object for longer periods than SE animals ( P < .05). During social encounters, EE mice devoted more time to sociability and agonistic behavior ( P < .05) than their non-EE counterparts. In conclusion, EE has been shown to improve object recognition and increase agonistic behavior in adolescent/early adulthood mice. In the future we intend to extend this study on a longitudinal basis in order to assess in more depth the effect of EE and the consistency of the above-mentioned observations in NMRI mice. Aggr. Behav. 39:269-279, 2013. © 2013 Wiley Periodicals, Inc. [ABSTRACT FROM AUTHOR]
Copyright of Aggressive Behavior is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Aggressive+Behavior%22&quot;&gt;Aggressive Behavior&lt;/searchLink&gt;. Jul/Aug2013, Vol. 39 Issue 4, p269-279. 11p. 1 Chart, 2 Graphs.
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  Data: Environmental enrichment (EE) is an experimental paradigm in which rodents are housed in complex environments containing objects that provide stimulation, the effects of which are expected to improve the welfare of these subjects. EE has been shown to considerably improve learning and memory in rodents. However, knowledge about the effects of EE on social interaction is generally limited and rather controversial. Thus, our aim was to evaluate both novel object recognition and agonistic behavior in NMRI mice receiving EE, hypothesizing enhanced cognition and slightly enhanced agonistic interaction upon EE rearing. During a 4-week period half the mice ( n = 16) were exposed to EE and the other half ( n = 16) remained in a standard environment (SE). On PND 56-57, animals performed the object recognition test, in which recognition memory was measured using a discrimination index. The social interaction test consisted of an encounter between an experimental animal and a standard opponent. Results indicated that EE mice explored the new object for longer periods than SE animals ( P &lt; .05). During social encounters, EE mice devoted more time to sociability and agonistic behavior ( P &lt; .05) than their non-EE counterparts. In conclusion, EE has been shown to improve object recognition and increase agonistic behavior in adolescent/early adulthood mice. In the future we intend to extend this study on a longitudinal basis in order to assess in more depth the effect of EE and the consistency of the above-mentioned observations in NMRI mice. Aggr. Behav. 39:269-279, 2013. &#169; 2013 Wiley Periodicals, Inc. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Aggressive Behavior is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1002/ab.21481
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 269
    Subjects:
      – SubjectFull: Agonistic behavior in animals
        Type: general
      – SubjectFull: Laboratory mice
        Type: general
      – SubjectFull: Recognition (Psychology)
        Type: general
      – SubjectFull: Brain stimulation
        Type: general
      – SubjectFull: Environmental enrichment
        Type: general
      – SubjectFull: Longitudinal method
        Type: general
    Titles:
      – TitleFull: Environmental Enrichment Improves Novel Object Recognition and Enhances Agonistic Behavior in Male Mice.
        Type: main
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          Name:
            NameFull: Mesa‐Gresa, Patricia
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            NameFull: Pérez‐Martinez, Asunción
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            NameFull: Redolat, Rosa
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            – D: 01
              M: 07
              Text: Jul/Aug2013
              Type: published
              Y: 2013
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              Value: 39
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              Value: 4
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            – TitleFull: Aggressive Behavior
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