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Li M, Xu T, Li M, Qiu L, He F, Lan Q, Zhang L, Wang L. Negative family expressiveness and adolescents' externalizing problems: Respiratory sinus arrhythmia as a moderator and anger regulation as a mediator. BRITISH JOURNAL OF DEVELOPMENTAL PSYCHOLOGY 2024. [PMID: 39092856 DOI: 10.1111/bjdp.12515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 07/17/2024] [Indexed: 08/04/2024]
Abstract
Family environment, emotion regulation and biological sensitivity have been shown to be associated with adolescents' externalizing problem behaviours. However, findings regarding respiratory sinus arrhythmia (RSA) reactivity are mixed and sometimes contradictory. This study aims to clarify the roles of RSA reactivity and anger regulation in the relationship between negative family expressiveness (NFE) and adolescents' externalizing behaviour by measuring RSA reactivity during the Parent-Adolescent Interaction Task (PAIT), designed to simulate a naturalistic negative family environment. In this study, 125 Chinese adolescents (M = 13.95 years, SD = 0.95; 48% male) completed questionnaires assessing negative family expressiveness, anger regulation and externalizing problems. Additionally, we collected electrocardiogram and respiration data during both the resting period and a 10-min PAIT. Results showed that anger regulation mediated the relationship between NFE and externalizing problem behaviours. Moreover, adolescents' RSA reactivity moderated this mediation effect, even after controlling for baseline RSA. Greater RSA suppression potentially indicated greater susceptibility, with the relationship between NFE and anger regulation being more pronounced in adolescents with greater RSA suppression compared to those with lesser RSA suppression. These findings highlight the importance of considering physiological systems, especially within the context of adverse family environments, when studying the relationships with externalizing problems.
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Affiliation(s)
- Man Li
- Key Research Base of Humanities and Social Sciences of the Ministry of Education, Academy of Psychology and Behavior, Tianjin Normal University, Tianjin, China
- Faculty of Psychology, Tianjin Normal University, Tianjin, China
- Tianjin Social Science Laboratory of Students' Mental Development and Learning, Tianjin, China
| | - Tong Xu
- Faculty of Psychology, Tianjin Normal University, Tianjin, China
| | - Min Li
- Faculty of Psychology, Tianjin Normal University, Tianjin, China
| | - Lirong Qiu
- School of Psychological and Cognitive Science and Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, China
| | - Fengjiao He
- School of Psychological and Cognitive Science and Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, China
| | - Qili Lan
- School of Psychological and Cognitive Science and Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, China
| | - Linlin Zhang
- Key Laboratory of Learning and Cognition, School of Psychology, Capital Normal University, Beijing, China
| | - Li Wang
- School of Psychological and Cognitive Science and Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, China
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Whittle S, Zhang L, Rakesh D. Environmental and neurodevelopmental contributors to youth mental illness. Neuropsychopharmacology 2024:10.1038/s41386-024-01926-y. [PMID: 39030435 DOI: 10.1038/s41386-024-01926-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 06/03/2024] [Accepted: 07/09/2024] [Indexed: 07/21/2024]
Abstract
While a myriad of factors likely contribute to the development of mental illness in young people, the social environment (including early adverse experiences) in concert with neurodevelopmental alterations is undeniably important. A number of influential theories make predictions about how and why neurodevelopmental alterations may mediate or moderate the effects of the social environment on the emergence of mental illness. Here, we discuss current evidence supporting each of these theories. Although this area of research is rapidly growing, the body of evidence is still relatively limited. However, there exist some consistent findings, including increased striatal reactivity during positive affective processing and larger hippocampal volumes being associated with increased vulnerability or susceptibility to the effects of social environments on internalizing symptoms. Limited longitudinal work has investigated neurodevelopmental mechanisms linking the social environment with mental health. Drawing from human research and insights from animal studies, we propose an integrated mediation-moderation model and outline future research directions to advance the field.
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Affiliation(s)
- Sarah Whittle
- Centre for Youth Mental Health, The University of Melbourne, Parkville, VIC, Australia.
- Orygen, Parkville, VIC, Australia.
| | - Lu Zhang
- Centre for Youth Mental Health, The University of Melbourne, Parkville, VIC, Australia
- Orygen, Parkville, VIC, Australia
| | - Divyangana Rakesh
- Neuroimaging Department, Institute of Psychology, Psychiatry & Neuroscience, King's College London, London, UK
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Lee S, Elam K, Lohrmann D, Luo J, Chow A, Seo DC. Prospective longitudinal relations among frequent social media use, nicotine vaping and experiencing internalizing mental health problems. Addiction 2024. [PMID: 38961689 DOI: 10.1111/add.16601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 06/03/2024] [Indexed: 07/05/2024]
Abstract
AIMS To compare four a priori rival mediated pathways of frequent social media use, electronic nicotine delivery systems (ENDS) use and internalizing mental health (MH) problems across five waves of nationally representative data. DESIGN, SETTING AND PARTICIPANTS This was a longitudinal study using data drawn from waves 2-5 (October 2014-November 2019) of the Population Assessment of Tobacco and Health Study, a nationally representative cohort study spanning approximately 5 years, conducted in the United States. The analytical sample of participants included those who were aged 12-14 years at wave 2 and who provided data in subsequent waves until wave 4.5 (n = 4627, 69.7% were White and 51.4% were male). MEASUREMENTS Frequent social media use (several times a day), ENDS use (past 30-day use) and internalizing MH problems (endorsed symptoms on four items in the past year) were dichotomized for analysis. FINDINGS The weighted proportions of the three key variables increased over time. From wave 2 to wave 5, frequent social media use grew from 56.9 to 77.2%; internalizing MH problems from 18.9 to 29.0%; and ENDS use from 1.4 to 11.4%. In weighted logistic regressions using generalized linear mixed models with random effects, there was a significant within-person association between frequent social media use at time t and greater ENDS use at t + 1 [adjusted odds ratio (aOR) = 1.87; 95% confidence interval (CI) = 1.47, 2.37] and worsened internalizing MH problems at t + 1 (aOR = 1.19; 95% CI = 1.04, 1.37). A model-based causal mediation analysis and marginal structural models were fitted to estimate the average causal mediation effect. Among all four examined mediation pathways throughout the three constructs, partial mediation was observed, and all the pathways were significant for both boys and girls. Sex differences did not emerge in the examined prospective mediated pathways. CONCLUSIONS Among youth in the United States, frequent social media use appears to mediate the prospective association between experiencing internalizing mental health problems and using electronic nicotine delivery systems.
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Affiliation(s)
- Shieun Lee
- Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Indianapolis, IN, USA
| | - Kit Elam
- Department of Applied Health Science, Indiana University School of Public Health-, Bloomington, IN, USA
| | - David Lohrmann
- Department of Applied Health Science, Indiana University School of Public Health-, Bloomington, IN, USA
| | - Juhua Luo
- Department of Epidemiology and Biostatistics, Indiana University School of Public Health-, Bloomington, IN, USA
| | - Angela Chow
- Department of Applied Health Science, Indiana University School of Public Health-, Bloomington, IN, USA
| | - Dong-Chul Seo
- Department of Applied Health Science, Indiana University School of Public Health-, Bloomington, IN, USA
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Flannery JS, Burnell K, Kwon SJ, Jorgensen NA, Prinstein MJ, Lindquist KA, Telzer EH. Developmental changes in brain function linked with addiction-like social media use two years later. Soc Cogn Affect Neurosci 2024; 19:nsae008. [PMID: 38334692 PMCID: PMC10873518 DOI: 10.1093/scan/nsae008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 12/14/2023] [Accepted: 02/08/2024] [Indexed: 02/10/2024] Open
Abstract
Addiction-like social media use (ASMU) is widely reported among adolescents and is associated with depression and other negative health outcomes. We aimed to identify developmental trajectories of neural social feedback processing that are linked to higher levels of ASMU in later adolescence. Within a longitudinal design, 103 adolescents completed a social incentive delay task during 1-3 fMRI scans (6-9th grade), and a 4th self-report assessment of ASMU and depressive symptoms ∼2 years later (10-11th grade). We assessed ASMU effects on brain responsivity to positive social feedback across puberty and relationships between brain responsivity development, ASMU symptoms, and depressive symptoms while considering gender effects. Findings demonstrate decreasing responsivity, across puberty, in the ventral media prefrontal cortex, medial prefrontal cortex, posterior cingulate cortex, and right inferior frontal gyrus associated with higher ASMU symptoms over 2 years later. Significant moderated mediation models suggest that these pubertal decreases in brain responsivity are associated with increased ASMU symptoms which, among adolescent girls (but not boys), is in turn associated with increased depressive symptoms. Results suggest initial hyperresponsivity to positive social feedback, before puberty onset, and decreases in this response across development, may be risk factors for ASMU in later adolescence.
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Affiliation(s)
- Jessica S Flannery
- Department of Psychology & Neuroscience, University of North Carolina at Chapel Hill, 235 E. Cameron Avenue, Chapel Hill, NC 27599-3270, USA
| | - Kaitlyn Burnell
- Department of Psychology & Neuroscience, University of North Carolina at Chapel Hill, 235 E. Cameron Avenue, Chapel Hill, NC 27599-3270, USA
| | - Seh-Joo Kwon
- Department of Psychology & Neuroscience, University of North Carolina at Chapel Hill, 235 E. Cameron Avenue, Chapel Hill, NC 27599-3270, USA
| | - Nathan A Jorgensen
- Department of Psychology & Neuroscience, University of North Carolina at Chapel Hill, 235 E. Cameron Avenue, Chapel Hill, NC 27599-3270, USA
| | - Mitchell J Prinstein
- Department of Psychology & Neuroscience, University of North Carolina at Chapel Hill, 235 E. Cameron Avenue, Chapel Hill, NC 27599-3270, USA
| | - Kristen A Lindquist
- Department of Psychology & Neuroscience, University of North Carolina at Chapel Hill, 235 E. Cameron Avenue, Chapel Hill, NC 27599-3270, USA
| | - Eva H Telzer
- Department of Psychology & Neuroscience, University of North Carolina at Chapel Hill, 235 E. Cameron Avenue, Chapel Hill, NC 27599-3270, USA
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Flannery JS, Jorgensen NA, Kwon SJ, Prinstein MJ, Telzer EH, Lindquist KA. Developmental Changes in Habenular and Striatal Social Reinforcement Responsivity Across Adolescence Linked With Substance Use. Biol Psychiatry 2023; 94:888-897. [PMID: 37120062 PMCID: PMC10611899 DOI: 10.1016/j.biopsych.2023.04.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 04/18/2023] [Accepted: 04/21/2023] [Indexed: 05/01/2023]
Abstract
BACKGROUND Habenula (HB) function is implicated in substance use disorders and is involved in inhibiting dopamine release in the ventral striatum (VS). While blunted VS reward responsivity is implicated in risk for later substance use, links between HB reinforcement processing and progression of use have not, to our knowledge, been examined among adolescents. In the present study, we longitudinally assessed HB and VS responsivity to social rewards and punishments across adolescence and examined associations with substance use. METHODS Within a longitudinal design, 170 adolescents (53.5% female) completed 1 to 3 functional magnetic resonance imaging scans across 6th to 9th grade and reported yearly substance use across 6th to 11th grade. We examined VS and HB responsivity to social reinforcement during a social incentive delay task in which adolescents received social rewards (smiling faces) and punishments (scowling faces). RESULTS We observed increased VS responsivity to social rewards (vs. reward omissions) and increased VS, but decreased HB, responsivity to social punishment avoidance versus receipt. However, contrary to hypotheses, the HB displayed increased responsivity to social rewards (vs. reward omissions). Further, adolescents reporting regular substance use displayed longitudinally declining HB responsivity to social rewards (vs. reward omissions), whereas adolescents reporting no substance use displayed longitudinally increasing HB responsivity. In contrast, whereas VS responsivity to punishment avoidance versus receipt increased longitudinally among regular substance users, it stayed relatively stable among nonusers. CONCLUSIONS These results suggest that differential HB and VS social reinforcement processing trajectories across adolescence are associated with substance use.
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Affiliation(s)
- Jessica S Flannery
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
| | - Nathan A Jorgensen
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Seh-Joo Kwon
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Mitchell J Prinstein
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Eva H Telzer
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Kristen A Lindquist
- Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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Dziura SL, McNaughton KA, Giacobbe E, Yarger HA, Hickey AC, Shariq D, Redcay E. Neural sensitivity to social reward predicts links between social behavior and loneliness in youth during the COVID-19 pandemic. Dev Psychobiol 2023; 65:e22413. [PMID: 37607890 PMCID: PMC10454977 DOI: 10.1002/dev.22413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 06/29/2023] [Accepted: 07/05/2023] [Indexed: 08/24/2023]
Abstract
Neural reward network sensitivity in youth is proposed to differentially impact the effects of social environments on social outcomes. The COVID-19 pandemic provided an opportunity to test this hypothesis within a context of diminished in-person social interaction. We examined whether neural sensitivity to interactive social reward moderates the relationship between a frequency of interactive or passive social activity and social satisfaction. Survey reports of frequency of interactions with friends, passive social media use, and loneliness and social satisfaction were gathered in 2020 during mandated precautions limiting in-person contact. A subset of participants (age = 10-17) previously participated in a functional magnetic resonance imaging (fMRI) study examining social-interactive reward during a simulated peer interaction (survey n = 76; survey + fMRI n = 40). We found evidence of differential response to social context, such that youth with higher neural reward sensitivity showed a negative association between a frequency of interactive connections with friends and a combined loneliness and social dissatisfaction component (LSDC) score, whereas those with lower sensitivity showed the opposite effect. Further, high reward sensitivity was associated with greater LSDC as passive social media use increased, whereas low reward sensitivity showed the opposite. This indicates that youth with greater sensitivity to social-interactive reward may be more susceptible to negative effects of infrequent contact than their low reward-sensitive counterparts, who instead maintain social well-being through passive viewing of social content. These differential outcomes could have implications for supporting youth during times of major social disruption as well as ensuring mental health and well-being more broadly.
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Affiliation(s)
- Sarah L Dziura
- Department of Psychology, University of Maryland, College Park, Maryland, USA
| | - Kathryn A McNaughton
- Department of Psychology, University of Maryland, College Park, Maryland, USA
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, Maryland, USA
| | - Elizabeth Giacobbe
- Department of Psychology, University of Maryland, College Park, Maryland, USA
| | - Heather A Yarger
- Department of Psychology, University of Maryland, College Park, Maryland, USA
| | - Alexandra C Hickey
- Department of Communication Sciences and Disorders, University of South Carolina, Columbia, South Carolina, USA
| | - Deena Shariq
- Department of Psychology, University of Maryland, College Park, Maryland, USA
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, Maryland, USA
| | - Elizabeth Redcay
- Department of Psychology, University of Maryland, College Park, Maryland, USA
- Neuroscience and Cognitive Science Program, University of Maryland, College Park, Maryland, USA
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Yang B, Anderson Z, Zhou Z, Liu S, Haase CM, Qu Y. The longitudinal role of family conflict and neural reward sensitivity in youth's internalizing symptoms. Soc Cogn Affect Neurosci 2023; 18:nsad037. [PMID: 37531585 PMCID: PMC10396325 DOI: 10.1093/scan/nsad037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 05/13/2023] [Accepted: 07/18/2023] [Indexed: 08/04/2023] Open
Abstract
Adolescence is often associated with an increase in psychopathology. Although previous studies have examined how family environments and neural reward sensitivity separately play a role in youth's emotional development, it remains unknown how they interact with each other in predicting youth's internalizing symptoms. Therefore, the current research took a biopsychosocial approach to examine this question using two-wave longitudinal data of 9353 preadolescents (mean age = 9.93 years at T1; 51% boys) from the Adolescent Brain Cognitive Development study. Using mixed-effects models, results showed that higher family conflict predicted youth's increased internalizing symptoms 1 year later, whereas greater ventral striatum (VS) activity during reward receipt predicted reduced internalizing symptoms over time. Importantly, there was an interaction effect between family conflict and VS activity. For youth who showed greater VS activation during reward receipt, high family conflict was more likely to predict increased internalizing symptoms. In contrast, youth with low VS activation during reward receipt showed high levels of internalizing symptoms regardless of family conflict. The findings suggest that youth's neural reward sensitivity is a marker of susceptibility to adverse family environments and highlight the importance of cultivating supportive family environments where youth experience less general conflict within the family.
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Affiliation(s)
- Beiming Yang
- School of Education and Social Policy, Northwestern University, Evanston, IL 60208, USA
| | - Zachary Anderson
- Department of Psychology, Northwestern University, Evanston, IL 60208, USA
| | - Zexi Zhou
- Department of Human Development and Family Sciences, The University of Texas at Austin, Austin, TX 78712, USA
| | - Sihong Liu
- Stanford Center on Early Childhood, Stanford University, Stanford, CA 94305, USA
| | - Claudia M Haase
- School of Education and Social Policy, Northwestern University, Evanston, IL 60208, USA
| | - Yang Qu
- School of Education and Social Policy, Northwestern University, Evanston, IL 60208, USA
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Pollak OH, Kwon SJ, Jorgensen NA, Lindquist KA, Telzer EH, Prinstein MJ. Neural Reactivity to Social Punishment Predicts Future Engagement in Nonsuicidal Self-injury Among Peer-Rejected Adolescents. Biol Psychiatry 2023; 94:40-49. [PMID: 36411092 DOI: 10.1016/j.biopsych.2022.09.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Rates of nonsuicidal self-injury (NSSI) increase dramatically in adolescence. Affective reactivity and adverse social experiences have been linked to NSSI, but less is known about whether these factors may separately or interactively predict NSSI, especially longitudinally. This study combined functional magnetic resonance imaging and a sociometric measure to test whether a combination of neural (e.g., amygdala) reactivity to social punishment and peer-nominated peer acceptance/rejection predicts NSSI longitudinally in adolescence. Amygdala reactivity was examined as a potential neural marker of affective reactivity to social punishment, which may heighten NSSI risk in contexts of social adversity. METHODS One hundred twenty-five adolescents (63 female) completed a social incentive delay task during neuroimaging and school-based peer nominations to measure peer acceptance/rejection. NSSI engagement was assessed at baseline and 1-year follow-up. RESULTS Greater amygdala reactivity to social punishment predicted greater NSSI engagement 1 year later among adolescents with high peer rejection. This effect for the amygdala was specific to social punishment (vs. reward) and held when controlling for biological sex and pubertal development. Exploratory analyses found that ventral striatum reactivity to social reward and punishment similarly interacted with peer rejection to predict NSSI but that amygdala connectivity with salience network regions did not. CONCLUSIONS Amygdala reactivity to social punishment, in combination with high peer rejection, may increase NSSI risk in adolescence, possibly via heightened affective reactivity to adverse social experiences. Objective measures of neurobiological and social risk factors may improve prediction of NSSI, while therapeutic approaches that target affective reactivity and increase prosocial skills may protect against NSSI in adolescence.
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Affiliation(s)
- Olivia H Pollak
- Department of Psychology and Neuroscience, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
| | - Seh-Joo Kwon
- Department of Psychology and Neuroscience, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Nathan A Jorgensen
- Department of Psychology and Neuroscience, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Kristen A Lindquist
- Department of Psychology and Neuroscience, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Eva H Telzer
- Department of Psychology and Neuroscience, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Mitchell J Prinstein
- Department of Psychology and Neuroscience, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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Huffman LG, Oshri A. Neural signatures of the development of antisocial behaviours and callous-unemotional traits among youth: The moderating role of parental support. Int J Dev Neurosci 2022; 82:205-221. [PMID: 35181902 DOI: 10.1002/jdn.10173] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 02/10/2022] [Accepted: 02/15/2022] [Indexed: 11/08/2022] Open
Abstract
Comorbidity of antisocial behaviours (AB) and callous-unemotional (CU) traits characterizes a subgroup of youth at risk for chronic and severe AB in adulthood. Although aberrant neural response to facial emotion confers heightened risk for AB and CU traits, the behavioural effect of this neural response varies by family context. The present study examines the effects of neural response to emotional faces, parental support and the interaction between the two as predictors of AB and CU traits in a longitudinal sample of preadolescents (Nbaseline = 11,883; Mage = 9.5; 47.8% female). Low CU youth who evinced attenuated response to fearful faces within the left superior temporal sulcus and fusiform gyrus showed smaller decreases of AB over time; these associations did not extend to high CU youth. Among high CU youth reporting low parental support, blunted response to fearful faces within the bilateral inferior parietal sulcus predicted smaller decreases of AB. Study findings highlight neurobehavioural differences between youth with high and low CU traits, as well as the interacting roles of negative face processing and parental support in the development of AB.
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Affiliation(s)
| | - Assaf Oshri
- Department of Human Development & Family Science, University of Georgia, Athens, Georgia, USA
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Miller JG, Buthmann JL, Gotlib IH. Hippocampal volume indexes neurobiological sensitivity to the effect of pollution burden on telomere length in adolescents. New Dir Child Adolesc Dev 2022; 2022:155-172. [PMID: 35738556 PMCID: PMC9492639 DOI: 10.1002/cad.20471] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Exposure to environmental pollutants has been associated with cellular aging in children and adolescents. Individuals may vary, however, in their sensitivity or vulnerability to the effects of environmental pollutants. Larger hippocampal volume has emerged as a potential index of increased sensitivity to social contexts. In exploratory analyses (N = 214), we extend work in this area by providing evidence that larger hippocampal volume in early adolescence reflects increased sensitivity to the effect of neighborhood pollution burden on telomere length (standardized β = -0.40, 95% CI[-0.65, -0.15]). In contrast, smaller hippocampal volume appears to buffer this association (standardized β = 0.02). In youth with larger hippocampal volume, pollution burden was indirectly associated with shorter telomere length approximately 2 years later through shorter telomere length at baseline (indirect standardized β = -0.25, 95% CI[-0.40, 0.10]). For these youth, living in high or low pollution-burdened neighborhoods may predispose them to develop shorter or longer telomeres, respectively, later in adolescence.
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Affiliation(s)
- Jonas G Miller
- Department of Psychology, Stanford University, Stanford, California, USA
| | - Jessica L Buthmann
- Department of Psychology, Stanford University, Stanford, California, USA
| | - Ian H Gotlib
- Department of Psychology, Stanford University, Stanford, California, USA
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11
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Sisk LM, Gee DG. Stress and adolescence: vulnerability and opportunity during a sensitive window of development. Curr Opin Psychol 2021; 44:286-292. [PMID: 34818623 DOI: 10.1016/j.copsyc.2021.10.005] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/09/2021] [Accepted: 10/15/2021] [Indexed: 01/02/2023]
Abstract
Adolescence is a period of dynamic change across multiple systems. Concurrent maturation of neural, biological, and psychosocial functioning renders adolescence a time of heightened sensitivity to both negative and positive experiences. Here, we review recent literature across these domains, discuss risk and opportunity in the context of ongoing neural development, and highlight promising directions for future research. Finally, we propose that conceptualizing adolescence as a sensitive window during which plasticity across multiple systems is enhanced may support the identification of links between experience, neurodevelopment, and psychopathology.
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Affiliation(s)
- Lucinda M Sisk
- Department of Psychology, Yale University, New Haven, CT, USA
| | - Dylan G Gee
- Department of Psychology, Yale University, New Haven, CT, USA.
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