Effect of Environmental Factors on Depressive-like Behavior and Memory Function in Adolescent Rats

Purpose: The aim of this study was to identify the effects of environmental factors on depressive-like behavior and memory function during adolescence. We performed behavior tests in adolescent rats exposed to environmental enrichment, handling, and social deprivation for eight weeks. Methods: Wista...

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Veröffentlicht in:Journal of Korean biological nursing science 2017-11, Vol.19 (4), p.276-283
Hauptverfasser: Song, Min Kyung, Lee, Jae-Min, Kim, Yoon Ju, Lee, Joo Hee, Kim, Youn-Jung
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container_title Journal of Korean biological nursing science
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creator Song, Min Kyung
Lee, Jae-Min
Kim, Yoon Ju
Lee, Joo Hee
Kim, Youn-Jung
description Purpose: The aim of this study was to identify the effects of environmental factors on depressive-like behavior and memory function during adolescence. We performed behavior tests in adolescent rats exposed to environmental enrichment, handling, and social deprivation for eight weeks. Methods: Wistar rats were randomly assigned to control, environmental enrichment, handling, and social deprivation groups at the age of four weeks. Results: In the forced swim test, the immobility time in the environmental enrichment group was decreased than that in the control group (p=.038), while the immobility time in the social deprivation group was increased than that in the control group (p=.035), the environmental enrichment group (p
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We performed behavior tests in adolescent rats exposed to environmental enrichment, handling, and social deprivation for eight weeks. Methods: Wistar rats were randomly assigned to control, environmental enrichment, handling, and social deprivation groups at the age of four weeks. Results: In the forced swim test, the immobility time in the environmental enrichment group was decreased than that in the control group (p=.038), while the immobility time in the social deprivation group was increased than that in the control group (p=.035), the environmental enrichment group (p&lt;.001), and the handling group (p=.001). In the Morris water maze test, the social deprivation group had an increased latency time than the control group (p=.013) and the environmental enrichment group (p=.001). In the passive avoidance test, the environmental enrichment group had an increased latency time than the control group (p=.005). However, the social deprivation group had reduced latency time than the socially housed groups (control: p=.030; environmental enrichment: p&lt;.001; handling: p&lt;.001). Conclusion: These findings suggest that environmental factors play an important role in emotion and memory function during adolescence.</description><identifier>ISSN: 2383-6415</identifier><identifier>EISSN: 2383-6423</identifier><language>kor</language><publisher>한국기초간호학회</publisher><ispartof>Journal of Korean biological nursing science, 2017-11, Vol.19 (4), p.276-283</ispartof><rights>COPYRIGHT(C) KYOBO BOOK CENTRE ALL RIGHTS RESERVED</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881</link.rule.ids></links><search><creatorcontrib>Song, Min Kyung</creatorcontrib><creatorcontrib>Lee, Jae-Min</creatorcontrib><creatorcontrib>Kim, Yoon Ju</creatorcontrib><creatorcontrib>Lee, Joo Hee</creatorcontrib><creatorcontrib>Kim, Youn-Jung</creatorcontrib><title>Effect of Environmental Factors on Depressive-like Behavior and Memory Function in Adolescent Rats</title><title>Journal of Korean biological nursing science</title><addtitle>Journal of Korean biological nursing science</addtitle><description>Purpose: The aim of this study was to identify the effects of environmental factors on depressive-like behavior and memory function during adolescence. We performed behavior tests in adolescent rats exposed to environmental enrichment, handling, and social deprivation for eight weeks. Methods: Wistar rats were randomly assigned to control, environmental enrichment, handling, and social deprivation groups at the age of four weeks. Results: In the forced swim test, the immobility time in the environmental enrichment group was decreased than that in the control group (p=.038), while the immobility time in the social deprivation group was increased than that in the control group (p=.035), the environmental enrichment group (p&lt;.001), and the handling group (p=.001). In the Morris water maze test, the social deprivation group had an increased latency time than the control group (p=.013) and the environmental enrichment group (p=.001). In the passive avoidance test, the environmental enrichment group had an increased latency time than the control group (p=.005). However, the social deprivation group had reduced latency time than the socially housed groups (control: p=.030; environmental enrichment: p&lt;.001; handling: p&lt;.001). 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