Effects of Peripubertal Experiences on Competitive Behavior in Male Rats at Different Stages of Adulthood
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| Formato: | Artículo Open Access |
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Wiley
2024
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| _version_ | 1867003327641812992 |
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| author | Jinkun Huang Wenjia Yang Lili Bao Bin Yin |
| author_facet | Jinkun Huang Wenjia Yang Lili Bao Bin Yin Jinkun Huang Wenjia Yang Lili Bao Bin Yin |
| collection | Wiley Open Access |
| contents | Effects of Peripubertal Experiences on Competitive Behavior in Male Rats at Different Stages of Adulthood Jinkun Huang Wenjia Yang Lili Bao Bin Yin Developmental Psychobiology ABSTRACTPast studies in animal models have extensively investigated the impact of early life experiences on behavioral development, yet relatively few have specifically examined the implications of peripubertal experiences on the evolution of competitive behavior across distinct stages of adulthood. In the current research, we probed potential differences in competitive behavior during emerging adulthood (3 months old) and middle adulthood (12 months old) in 81 Sprague‐Dawley male rats exposed to three different peripubertal (postnatal Days 37–60) environments: an enriched environment (EE), a chronic unpredictable mild stress (CUMS) condition, and a control condition. Anxiety‐like behavior served as a positive control in our study. Results revealed significant variations in competitive behavior among the groups during emerging adulthood. The EE group displayed the least anxiety and outperformed their peers in food‐reward‐oriented competition, whereas the CUMS group excelled in status‐driven, agonistic competition. However, these behavioral differentiations gradually attenuated by middle adulthood, at which point the control group began to show an advantage. Our findings suggest that although peripubertal experiences significantly shape competitive behavior in the emerging adulthood stage, this effect diminishes over time and is nearly non‐detectable during mid‐adulthood, underscoring the fluidity of behavioral development and demonstrating that the effects of peripubertal experiences can be modulated by subsequent life experiences. 10.1002/dev.22544 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| doi_str_mv | 10.1002/dev.22544 |
| format | Artículo Open Access |
| id | wiley_oa_10_1002_dev_22544 |
| institution | Wiley Open Access |
| license_str_mv | http://onlinelibrary.wiley.com/termsAndConditions#vor |
| publishDate | 2024 |
| publisher | Wiley |
| record_format | wiley_oa |
| spellingShingle | Effects of Peripubertal Experiences on Competitive Behavior in Male Rats at Different Stages of Adulthood Jinkun Huang Wenjia Yang Lili Bao Bin Yin Developmental Psychobiology Effects of Peripubertal Experiences on Competitive Behavior in Male Rats at Different Stages of Adulthood Jinkun Huang Wenjia Yang Lili Bao Bin Yin Developmental Psychobiology ABSTRACTPast studies in animal models have extensively investigated the impact of early life experiences on behavioral development, yet relatively few have specifically examined the implications of peripubertal experiences on the evolution of competitive behavior across distinct stages of adulthood. In the current research, we probed potential differences in competitive behavior during emerging adulthood (3 months old) and middle adulthood (12 months old) in 81 Sprague‐Dawley male rats exposed to three different peripubertal (postnatal Days 37–60) environments: an enriched environment (EE), a chronic unpredictable mild stress (CUMS) condition, and a control condition. Anxiety‐like behavior served as a positive control in our study. Results revealed significant variations in competitive behavior among the groups during emerging adulthood. The EE group displayed the least anxiety and outperformed their peers in food‐reward‐oriented competition, whereas the CUMS group excelled in status‐driven, agonistic competition. However, these behavioral differentiations gradually attenuated by middle adulthood, at which point the control group began to show an advantage. Our findings suggest that although peripubertal experiences significantly shape competitive behavior in the emerging adulthood stage, this effect diminishes over time and is nearly non‐detectable during mid‐adulthood, underscoring the fluidity of behavioral development and demonstrating that the effects of peripubertal experiences can be modulated by subsequent life experiences. 10.1002/dev.22544 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| title | Effects of Peripubertal Experiences on Competitive Behavior in Male Rats at Different Stages of Adulthood |
| topic | Developmental Psychobiology |
| url | https://onlinelibrary.wiley.com/doi/10.1002/dev.22544 |