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Abstract Ethnic–racial discrimination, the differential treatment of individuals based on ethnic or racial group membership, predicts poor mental health outcomes such as anxiety. This is supported by long-standing theories on the social determinants of health and minority stress. However, these theories are rarely expanded to neurobiological sciences, limiting our understanding of mechanisms underlying observed associations. One potential neurobiological pathway between ethnic–racial discrimination exposure and anxiety is that ongoing exposure to racially charged encounters presents imminent threats that may modify stress-sensitive neurocircuitry, like the amygdala. The current study evaluated whether amygdala volume mediated associations between ethnic–racial discrimination exposure and anxiety symptoms in Latina girls, a group exhibiting heightened levels of untreated anxiety and disproportionately subjected to ethnic–racial discrimination. Thirty predominantly Mexican-identifying Latina girls residing in Southern California (MAge = 9.76,SD = 1.11 years) completed a T1-weighted structural MRI scan. Using thePerceptions of Racism in Children and Youth, participants self-reported the prevalence and severity of various discriminatory experiences. Participants also self-reported their anxiety symptoms via theScreen for Child Anxiety and Related Emotional Disorders.Controlling for total intracranial volume and annual household income, an indirect effect of ethnic–racial discrimination on anxiety symptoms via left amygdala volume was observed,β = −0.28,SE = 0.17, BC 95% CI [−0.690, −0.017]. The current findings suggest that the left amygdala is sensitive to racialized threats in childhood and that stress-related alterations may, in part, contribute to elevated anxiety in Latina girls. Our data elucidate a potential mechanism by which this form of sociocultural stress can adversely impact mental health, particularly in the transition from middle childhood to early adolescence, a period marked by a host of interlinked neurophysiological and social changes.
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Discrimination, competitiveness, and support in US graduate student mental health
Purpose Rising rates of anxiety and depression and the varied costs of these conditions indicate a clear need to create learning environments in which graduate and professional students can more readily thrive. However, the absence of multi-institutional, multi-disciplinary evidence about mental health in graduate education has obscured a clear picture of which populations, contexts and social dynamics merit focused attention and resources. The purpose of this study is therefore to analyze prevalence and risk factors associated with anxiety and depression among a large sample of graduate students, with special attention to how graduate education environments and interactions may be associated with mental health. Design/methodology/approach This paper offers the first multi-institutional, multi-disciplinary analysis of depression and anxiety among US graduate and professional students. Using a sample of 20,888 students randomly sampled within 69 universities, the author compares depression and anxiety prevalence among fields of study with hierarchical cluster modeling. Then, using a conceptual framework that links social support, role strain and self-determination theories, the author estimates fixed effects multivariate logistic regressions to measure how depression and anxiety are associated with experiencing racial discrimination, support from friends and family, perceived competitiveness in one’s classes, and comfort speaking with one’s professors about mental health. Findings Graduate students who endure frequent racial discrimination have odds of screening positive for depression and anxiety that are 2.3 and 3.0 times higher, respectively, than those who never experience discrimination. Support from family and friends moderates these relationships and perceived competitiveness exacerbates them. LGBTQ students and students who self-report that finances are a struggle or tight also have higher odds of depression and anxiety. Students in the humanities, arts and architecture have significantly higher prevalence of depression and anxiety than the sample as a whole. Originality/value The paper offers broadest base of evidence to date about patterns that are usually experienced at the individual level or analyzed institution-by-institution and field-by-field. Specifically, the author identified social dynamics, fields of study and populations where attention to wellbeing may be especially warranted. The conceptual framework and multivariate results clarify how organizational and individual factors in graduate students’ mental health may be intertwined through competitive, discriminatory, or supportive interactions with peers, faculty, family and friends. Findings clarify a need for awareness of the contexts and interactions that graduate students experience as well as individual factors that are associated with student wellbeing.
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- PAR ID:
- 10279476
- Date Published:
- Journal Name:
- Studies in Graduate and Postdoctoral Education
- Volume:
- ahead-of-print
- Issue:
- ahead-of-print
- ISSN:
- 2398-4686
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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- Free Publicly Accessible Full Text
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Accepted Manuscript1.0
- Journal Article:
- https://doi.org/10.1108/SGPE-07-2020-0042
