Transgenerational effect of Mothers' experiences of discrimination on Black youths' hormone coupling in response to laboratory stress.

IF 1.4 4区 心理学 Q4 PSYCHOLOGY, DEVELOPMENTAL Research in Human Development Pub Date : 2023-01-01 Epub Date: 2023-05-22 DOI:10.1080/15427609.2023.2215130
Shannin N Moody, Jenny M Phan, Elizabeth A Shirtcliff, Wen Wang, Stacy Drury, Katherine Theall
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Abstract

Exposure to pervasive racial discrimination of Black Americans is transgenerational in that mothers' experiences of discriminatory violence impacts their children. This study explored whether stress-related biomarkers reflect transgenerational racial stress by implementing a "dual activation" framework to probe how adrenal and gonadal hormones underlying adolescent development are co-regulated during a laboratory stressor. Data were collected from 120 Black families in the United States. Children completed the Trier Social Stress Task (TSST-C) and provided 4 saliva samples across 2 days that were assayed for cortisol (C), dehydroepiandrosterone (DHEA), and testosterone (T). Mothers reported their experiences of total discrimination and racial discrimination related to skin color/race. Thirty four percent reported experiences of discrimination and on average 46.7% reported experiences of discrimination due to their race or skin tone. Mothers' experiences of racial discrimination were associated with their child's hormonal reactivity to and recovery from the TSST-C. Youth showed stronger positive hormone coupling between C-T if their mother experienced greater discrimination. Mothers' experiences of racial discrimination influenced both C-T coupling and youths' cortisol recovery from the TSST-C. For youths with high testosterone, cortisol recovery was blunted. Results suggest that associations between racism and hormonal stress response may be transgenerational. Mothers' experiences of discrimination had a profound impact on their children's hormonal co-regulation.

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母亲歧视经历对黑人青年实验室压力下激素偶联的跨代影响。
美国黑人普遍受到种族歧视的影响是跨代的,因为母亲遭受歧视性暴力的经历会影响她们的孩子。本研究通过实施“双激活”框架来探索青春期发育背后的肾上腺激素和性腺激素如何在实验室压力源中共同调节,探讨了压力相关的生物标志物是否反映了跨代的种族压力。数据收集自美国120个黑人家庭。孩子们完成了特里尔社会压力任务(TSST-C),并在2天内提供了4份唾液样本,用于检测皮质醇(C)、脱氢表雄酮(DHEA)和睾酮(T)。母亲们报告了她们因肤色/种族而受到的全面歧视和种族歧视的经历。34%的人表示曾遭受过歧视,平均46.7%的人表示曾因种族或肤色而受到歧视。母亲的种族歧视经历与孩子对TSST-C的激素反应和恢复有关。如果母亲遭受更大的歧视,青少年在C-T之间表现出更强的正激素偶联。母亲的种族歧视经历影响C-T耦合和青年的TSST-C皮质醇恢复。对于睾酮水平高的年轻人,皮质醇的恢复是迟钝的。结果表明种族主义和荷尔蒙应激反应之间的联系可能是跨代的。母亲的歧视经历对孩子的激素协同调节产生了深远的影响。
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来源期刊
Research in Human Development
Research in Human Development PSYCHOLOGY, DEVELOPMENTAL-
CiteScore
4.10
自引率
4.20%
发文量
5
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