Biological sensitivity to environmental context fluctuates dynamically within individuals from day to day.
Biological sensitivity to environmental context fluctuates dynamically within individuals from day to day.
复制标题
个体对环境的生物敏感性每天都在动态波动。
DOI：
10.1038/s41598-022-14481-7
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发表时间：
2022-07-01
影响因子：
4.6
通讯作者：
Telzer, Eva H.
中科院分区：
文献类型：
--
作者：
Armstrong-Carter, Emma;Telzer, Eva H.
这项纵向的、受试者内的研究调查了青少年对新出现的社会困难的社会经济地位(SES)的生物学敏感性是否每天都不同。不同的青少年(N = 315；年龄11-18岁；57%女性；25%亚洲人，18%拉美裔，11%黑人)提供每日日记和唾液样本，为期4天。我们用每日皮质醇斜率的日波动来测量生物敏感性，并将SES作为家庭收入和母亲教育的主要组成部分。一项对1013项每日评估的有力分析显示，只有在白天皮质醇坡度较平的日子里，来自较低社会保障家庭的青少年报告的社交困难较大，而来自较高社会保障家庭的青少年报告这些天的社交困难较少。在青少年表现出更陡峭、更下降的皮质醇昼夜斜率的日子里，自闭症与社交困难无关。研究结果支持了最近的理论，即风险和韧性是动态的过程，随着时间的推移，个体内部会发生变化。无论是好是坏，年轻人在白天皮质醇节律平缓的日子里，可能对他们的家庭社会经济环境更具生物学敏感性。
This longitudinal, within-subjects study examined whether adolescents’ biological sensitivity to socioeconomic status (SES) for emerging social difficulties varied day to day. Diverse adolescents (N = 315; ages 11–18; 57% female; 25% Asian, 18% Latinx, 11% Black) provided daily diaries and saliva samples for 4 days. We measured biological sensitivity as daily fluctuations in diurnal cortisol slope, and SES as a principal component of family income and maternal education. A robust analysis of 1013 daily assessments revealed that youth from lower SES homes reported greater social difficulties only on days that they exhibited flatter diurnal cortisol slopes, and youth from higher SES homes reported fewer social difficulties on these days. SES was not associated with social difficulties on days that adolescents exhibited steeper, declining diurnal cortisol slopes. Findings support recent theory that risk and resilience are dynamic processes that change within individuals over time. For better and for worse, youth may be more biologically sensitive to their family socioeconomic environments on days that their diurnal cortisol rhythms are flattened.
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