之前对压力行为控制的经验有助于社会主导地位
Philip T Coleman1, Gabriel W Costanza-Chavez1, Heather N Martin1
1Department of Psychology and Neuroscience, Center for Neuroscience, University of Colorado Boulder, Boulder, CO, 80301, USA.
Neurobiology of stress
|January 12, 2024
概括
经历对压力因素的行为控制可以增强大鼠的支配力. 赢得后续比赛也可以防止不受控制的压力的负面影响,显示出选择性的缓冲效应.
科学领域:
- 神经科学是一个神经科学.
- 行为科学 行为科学
- 心理学 心理学 心理学
背景情况:
- 主导地位显著影响健康,并受到经验的影响.
- 对压力因素的行为控制可能会导致竞争成功,并缓冲未来的压力.
研究的目的:
- 调查压力因素的可控性和竞争成功如何影响主导地位和应激弹性.
- 探索这些影响背后的神经机制.
主要方法:
- 鼠被暴露在可控制或不可控制的压力下,然后进行热点竞争测试.
- 使用了前临床 (PL) 皮层和背中状体的药理性失活.
- 通过反复的竞争建立了主导地位,并测量了神经活动 (血清激素) 和对压力的行为反应.
主要成果:
- 以前可控的压力改善了主导性测试中的表现,增加了努力行为.
- 在对照暴露期间,前皮层的不活化阻止了随后的优势地位.
- 重复获胜的经验会削弱压力诱导的血清激素活性,并防止社会回避,但不会影响内分泌或神经免疫反应.
结论:
- 对压力的仪器控制有助于后来的统治.
- 获胜的经验有选择地缓冲未来逆境的特定神经和行为后果,例如压力诱导的社会回避和血清变化.
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