药物使用与大学生对挑战的急性偏交神经系统反应有关
Danny Rahal1, Violet F Kwan2, Kristin J Perry3
1University of California Santa Cruz, Santa Cruz, California, USA.
概括
那些对压力有更强的生理反应的大学生,通过副交感神经系统 (PNS) 活动来表明,往往会更频繁地使用物质. 这表明压力反应和学生吸毒风险之间存在潜在的联系.
科学领域:
- 心理学 心理学 心理学
- 神经科学是一个神经科学.
- 卫生健康科学科学 医学
背景情况:
- 大学生经常使用物质来应对压力.
- 个人对生理应激反应的差异,特别是涉及到副交感神经系统 (PNS),已经得到了充分证实.
- 在大学生中,PNS对挑战的反应性和物质使用风险之间的关系需要进一步调查.
研究的目的:
- 为了研究休息的副交感神经系统 (PNS) 活动和PNS对实验室挑战任务的反应与大学生中物质使用频率之间的关联.
- 测试假设,较低的休息PNS活动和更高的PNS对挑战的反应预测了增加物质使用 (酒精,狂饮,大麻).
主要方法:
- 参与者 (N=152) 报告了过去一个月的物质使用频率.
- 呼吸道鼻节律失常 (RSA),PNS活动的测量,通过心电图在休息基线 (中性视频) 和认知运动挑战任务 (镜子星追踪) 中记录.
- PNS反应被量化为RSA从休息到挑战的下降.
主要成果:
- 更高的休息RSA与更频繁的大麻使用有关.
- 在挑战任务期间,RSA的较大下降 (表明更大的PNS反应) 与更频繁地使用酒精,过度饮酒和大麻有关.
- 挑战任务后的RSA恢复与物质使用频率没有显著的关系.
结论:
- 对挑战有较强的生理反应能力的大学生可能面临更频繁使用物质的更高风险,这可能是作为应对机制.
- 研究结果表明,可以探索针对生理压力调节的干预措施,如生物反,以减轻该人群中物质使用风险.
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