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1.
BMC Psychiatry ; 23(1): 261, 2023 04 17.
Artigo em Inglês | MEDLINE | ID: mdl-37069541

RESUMO

Individuals vary in their ability to tolerate uncertainty. High intolerance of uncertainty (the tendency to react negatively to uncertain situations) is a known risk factor for mental health problems. In the current study we examined the degree to which intolerance of uncertainty predicted depression and anxiety symptoms and their interrelations across the first year of the COVID-19 pandemic. We examined these associations across three time points (May 2020 - April 2021) in an international sample of adults (N = 2087, Mean age = 41.13) from three countries (UK, USA, Australia) with varying degrees of COVID-19 risk. We found that individuals with high and moderate levels of intolerance of uncertainty reported reductions in depression and anxiety symptoms over time. However, symptom levels remained significantly elevated compared to individuals with low intolerance of uncertainty. Individuals with low intolerance of uncertainty had low and stable levels of depression and anxiety across the course of the study. Network analyses further revealed that the relationships between depression and anxiety symptoms became stronger over time among individuals with high intolerance of uncertainty and identified that feeling afraid showed the strongest association with intolerance of uncertainty. Our findings are consistent with previous work identifying intolerance of uncertainty as an important risk factor for mental health problems, especially in times marked by actual health, economic and social uncertainty. The results highlight the need to explore ways to foster resilience among individuals who struggle to tolerate uncertainty, as ongoing and future geopolitical, climate and health threats will likely lead to continued exposure to significant uncertainty.


Assuntos
COVID-19 , Adulto , Humanos , COVID-19/epidemiologia , Depressão/epidemiologia , Depressão/etiologia , Depressão/psicologia , Incerteza , Pandemias , Ansiedade/psicologia
2.
Dev Psychopathol ; 35(4): 1701-1713, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-35796203

RESUMO

Belonging is a basic human need, with social isolation signaling a threat to biological fitness. Sensitivity to ostracism varies across individuals and the lifespan, peaking in adolescence. Government-imposed restrictions upon social interactions during COVID-19 may therefore be particularly detrimental to young people and those most sensitive to ostracism. Participants (N = 2367; 89.95% female, 11-100 years) from three countries with differing levels of government restrictions (Australia, UK, and USA) were surveyed thrice at three-month intervals (May 2020 - April 2021). Young people, and those living under the tightest government restrictions, reported the worst mental health, with these inequalities in mental health remaining constant throughout the study period. Further dissection of these results revealed that young people high on social rejection sensitivity reported the most mental health problems at the final assessment. These findings help account for the greater impact of enforced social isolation on young people's mental health, and open novel avenues for intervention.


Assuntos
COVID-19 , Adolescente , Humanos , Feminino , Masculino , Saúde Mental , Pandemias , SARS-CoV-2 , Determinantes Sociais da Saúde
3.
J Res Adolesc ; 33(1): 289-301, 2023 03.
Artigo em Inglês | MEDLINE | ID: mdl-36166491

RESUMO

Self-disclosure is a crucial part of developing close interpersonal relationships during adolescence. In particular, sharing information with a greater depth of intimacy is thought to strengthen social bonds and thus support mental health. The current study investigated the value for different depths of self-disclosures to close others (mothers and best friends) during adolescence and its association with mental health and well-being. Fifty-four girls (11.0-15.9 years) completed a forced-choice monetary paradigm to assess value for self-disclosures and questionnaires on mental health. Participants significantly valued (i.e., forfeited monetary reward) for disclosures to both mothers and best friends, although intimate disclosures were more "costly" than superficial disclosures. Greater value for intimate self-disclosures to mothers was also associated with better mental health and well-being.


Assuntos
Revelação , Relações Interpessoais , Feminino , Humanos , Adolescente , Pais , Grupo Associado , Mães/psicologia
4.
J Res Adolesc ; 33(3): 1023-1037, 2023 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-37165702

RESUMO

Parenting styles associated with maternal depression are a risk factor for adolescent psychopathology, and maternal attributional styles may be a key mechanism in this relationship. Mother-adolescent dyads (N = 180; 96 male; ages 10-15) completed in-person interactions and then the mothers participated in a video-mediated recall procedure to assess maternal attributions. Maternal depression was associated with negative attributions. Negative attributions were associated with low parental acceptance, aggressive parenting, and low positive parenting. Positive maternal attributions were associated with less aggressive parenting, and more positive parenting during one interaction task. Adolescent externalizing behaviors were associated with negative attributions. Future research should evaluate whether maternal attributions mediate the association between maternal depression and both parenting behaviors and adolescent mental health.

5.
J Res Adolesc ; 33(1): 74-91, 2023 03.
Artigo em Inglês | MEDLINE | ID: mdl-35799311

RESUMO

This study aimed to examine changes in depression and anxiety symptoms from before to during the first 6 months of the COVID-19 pandemic in a sample of 1,339 adolescents (9-18 years old, 59% female) from three countries. We also examined if age, race/ethnicity, disease burden, or strictness of government restrictions moderated change in symptoms. Data from 12 longitudinal studies (10 U.S., 1 Netherlands, 1 Peru) were combined. Linear mixed effect models showed that depression, but not anxiety, symptoms increased significantly (median increase = 28%). The most negative mental health impacts were reported by multiracial adolescents and those under 'lockdown' restrictions. Policy makers need to consider these impacts by investing in ways to support adolescents' mental health during the pandemic.


Assuntos
COVID-19 , Adolescente , Feminino , Humanos , Criança , Masculino , Pandemias , Depressão/epidemiologia , Ansiedade/epidemiologia , Etnicidade
6.
Cogn Affect Behav Neurosci ; 20(2): 340-355, 2020 04.
Artigo em Inglês | MEDLINE | ID: mdl-32056138

RESUMO

Social belonging is an important human drive that influences mood and behavior. Neural responses to social exclusion are well-characterized, but the specificity of these responses to processing rejection-related affective distress is unknown. The present study compares neural responses to exclusion and overinclusion, a condition that similarly violates fairness expectations but does not involve rejection, with a focus on implications for models of dorsal anterior cingulate cortex (dACC) and anterior insula (AI) function. In an fMRI adaptation of the Cyberball paradigm with adolescents aged 11.1-17.7 years (N = 69), we employed parametric modulators to examine scaling of neural signal with cumulative exclusion and inclusion events, an approach that overcomes arbitrary definitions of condition onsets/offsets imposed on fluid, continuous gameplay. We identified positive scaling of dACC and posterior insula response with cumulative exclusion events, but these same regions exhibited trending signal decreases with cumulative inclusion events. Furthermore, areas within the dACC and insula also responded to context incongruency (throws to the participant in the exclusion run; throws between computer players in the overinclusion run). These findings caution against interpretations that responses in these regions uniquely reflect the affective distress of exclusion within social interaction paradigms. We further identified that the left ventrolateral PFC, rostromedial PFC, and left intraparietal sulcus responded similarly to cumulative exclusion and inclusion. These findings shed light on which neural regions exhibit patterns of differential sensitivity to exclusion or overinclusion, as well as those that are more broadly engaged by both types of social interaction.


Assuntos
Encéfalo/fisiologia , Transtornos Cognitivos/fisiopatologia , Emoções/fisiologia , Isolamento Social , Adolescente , Mapeamento Encefálico , Criança , Feminino , Humanos , Relações Interpessoais , Masculino , Distância Psicológica , Rejeição em Psicologia
7.
J Res Adolesc ; 30(4): 1008-1024, 2020 12.
Artigo em Inglês | MEDLINE | ID: mdl-32910510

RESUMO

This study examined how individual differences in expectations of social consequences relate to individuals' expected involvement in health-risk behaviors (HRBs). A total of 122 adolescents (aged 11-17) reported their expected involvement in a number of risk behaviors and whether or not they expect to be liked more or less by engaging in the behavior: the expected social benefit. Higher perceived social benefit was associated with higher anticipated involvement in said behavior. This relationship was stronger for adolescents who reported a higher degree of peer victimization, supporting the hypothesis that experiencing victimization increases the social value of peer interactions. Findings suggest that adolescents incorporate expectations of social consequences when making decisions regarding their involvement in HRBs.


Assuntos
Bullying , Vítimas de Crime , Adolescente , Comportamentos de Risco à Saúde , Humanos , Motivação , Assunção de Riscos
8.
Neuroimage ; 181: 568-581, 2018 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-29940284

RESUMO

Changes across the span of adolescence in the adolescent reward system are thought to increase the tendency to take risks. While developmental differences in decision and outcome-related reward processes have been studied extensively, existing paradigms have largely neglected to measure how different types of decisions modulate reward-related outcome processes. We modified an existing decision-making paradigm (the Stoplight Task; Chein et al., 2011) to create a flexible laboratory measure of decision-making and outcome processing, including the ability to assess modulatory effects of safe versus risky decisions on reward-related outcome processes: the Yellow Light Game (YLG). We administered the YLG in the MRI scanner to 81 adolescents, ages 11-17 years, recruited from the community. Results showed that nucleus accumbens activation was enhanced for (1) risky > safe decisions, (2) positive > negative outcomes, and (3) outcomes following safe decisions compared to outcomes following risky decisions, regardless of whether these outcomes were positive or negative. Outcomes following risky decisions (compared to outcomes following safe decisions) were associated with enhanced activity in cortical midline structures. Furthermore, while there were no developmental differences in risk-taking behavior, more pubertally mature adolescents showed enhanced nucleus accumbens activation during positive > negative outcomes. These findings suggest that outcome processing is modulated by the types of decisions made by adolescents and highlight the importance of investigating processes involved in safe as well as risky decisions to better understand the adolescent tendency to take risks.


Assuntos
Comportamento do Adolescente/fisiologia , Mapeamento Encefálico/métodos , Encéfalo/fisiologia , Tomada de Decisões/fisiologia , Função Executiva/fisiologia , Núcleo Accumbens/fisiologia , Desempenho Psicomotor/fisiologia , Recompensa , Assunção de Riscos , Adolescente , Encéfalo/diagnóstico por imagem , Criança , Feminino , Humanos , Imageamento por Ressonância Magnética/métodos , Masculino , Núcleo Accumbens/diagnóstico por imagem
9.
Neuroimage ; 153: 359-368, 2017 06.
Artigo em Inglês | MEDLINE | ID: mdl-28235565

RESUMO

Given the recent surge in functional neuroimaging studies on social exclusion, the current study employed activation likelihood estimation (ALE) based meta-analyses to identify brain regions that have consistently been implicated across different experimental paradigms used to investigate exclusion. We also examined the neural correlates underlying Cyberball, the most commonly used paradigm to study exclusion, as well as differences in exclusion-related activation between developing (7-18 years of age, from pre-adolescence up to late adolescence) and emerging adult (broadly defined as undergraduates, including late adolescence and young adulthood) samples. Results revealed involvement of the bilateral medial prefrontal and posterior cingulate cortices, right precuneus and left ventrolateral prefrontal cortex across the different paradigms used to examine social exclusion; similar activation patterns were identified when restricting the analysis to Cyberball studies. Investigations into age-related effects revealed that ventrolateral prefrontal activations identified in the full sample were driven by (i.e. present in) developmental samples, while medial prefrontal activations were driven by emerging adult samples. In addition, the right ventral striatum was implicated in exclusion, but only in developmental samples. Subtraction analysis revealed significantly greater activation likelihood in striatal and ventrolateral prefrontal clusters in the developmental samples as compared to emerging adults, though the opposite contrast failed to identify any significant regions. Findings integrate the knowledge accrued from functional neuroimaging studies on social exclusion to date, highlighting involvement of lateral prefrontal regions implicated in regulation and midline structures involved in social cognitive and self-evaluative processes across experimental paradigms and ages, as well as limbic structures in developing samples specifically.


Assuntos
Encéfalo/fisiologia , Distância Psicológica , Adolescente , Adulto , Mapeamento Encefálico , Criança , Feminino , Humanos , Imageamento por Ressonância Magnética , Masculino , Adulto Jovem
10.
Dev Psychopathol ; 29(3): 1057-1073, 2017 08.
Artigo em Inglês | MEDLINE | ID: mdl-27760585

RESUMO

Maltreatment is associated with chronic depression, high negative self-attributions, and lifetime psychopathology. Adolescence is a sensitive period for the formation of self-concept. Identifying neurobiomarkers of self-processing in depressed adolescents with and without maltreatment may parse the effects of trauma and depression on self-development and chronic psychopathology. Depressed adolescents (n = 86) maltreated due to omission (DO, n = 13) or commission (DCM, n = 28) or without maltreatment (DC, n = 45), and HCs (HC, n = 37) appraised positive and negative self-descriptors in the scanner. DCM and DO showed hypoactivity in the dorsal anterior cingulate cortex (dACC) while processing positive versus negative self-descriptors compared to DC youth, who in turn showed reduced dACC recruitment versus HC. HC youth showed the highest activation in the dACC and striatum during positive self-descriptors; these regions showed a linear decline in activity across DC, DO, and DCM. Low dACC activity to positive versus negative self-descriptors was linked to inadequate coregulation of children's emotions by parents. Negative self-cognitions prevalent in DCM and DO adolescents may be perpetuated by activity in the dACC and striatum. Reduced activation of the dACC and striatum for positive self-descriptors, coupled with enhanced activity for negative self-descriptors, may heighten the risk for persistent depression.


Assuntos
Maus-Tratos Infantis , Depressão/fisiopatologia , Giro do Cíngulo/fisiopatologia , Neostriado/fisiopatologia , Autoimagem , Adolescente , Depressão/diagnóstico por imagem , Feminino , Giro do Cíngulo/diagnóstico por imagem , Humanos , Imageamento por Ressonância Magnética , Masculino , Neostriado/diagnóstico por imagem
11.
Cultur Divers Ethnic Minor Psychol ; 23(1): 45-58, 2017 01.
Artigo em Inglês | MEDLINE | ID: mdl-28045310

RESUMO

OBJECTIVES: Although cortical midline structures (CMS) are the most commonly identified neural foundations of self-appraisals, research is beginning to implicate the temporal-parietal junction (TPJ) in more interdependent self-construals. The goal of this study was to extend this research in an understudied population by (a) examining both direct (first-person) and reflected (third-person) self-appraisals across 2 domains (social and academics), and (b) exploring individual differences in recruitment of the TPJ during reflected self-appraisals. METHOD: The neural correlates of direct and reflected self-appraisals in social and academic domains were examined in 16 Chinese young adults (8 males, 8 females; aged 18-23 years) using functional MRI. RESULTS: As expected, when making reflected self-appraisals (i.e., reporting what they believed others thought about them, regardless of domain), Chinese participants recruited both CMSs and the TPJ. Similar to previous research in East Asian and interdependent samples, CMSs and the TPJ were relatively more active during direct self-appraisals in the social than in the academic domain. We additionally found that, to the extent participants reported that reflected academic self-appraisals differed from direct academic self-appraisals, they demonstrated greater engagement of the TPJ during reflected academic self-appraisals. Exploratory cross-national comparisons with previously published data from American participants revealed that Chinese young adults engaged the TPJ relatively more during reflected self-appraisals made from peer perspectives. CONCLUSIONS: In combination with previous research, these findings increase support for a role of the TPJ in self-appraisal processes, particularly when Chinese young adults consider peer perspectives. The possible functional contributions provided by the TPJ are explored and discussed. (PsycINFO Database Record


Assuntos
Autoavaliação Diagnóstica , Lobo Frontal/fisiologia , Desempenho Psicomotor/fisiologia , Feminino , Humanos , Imageamento por Ressonância Magnética , Masculino , Grupo Associado , Adulto Jovem
12.
Child Dev ; 87(6): 1691-1702, 2016 11.
Artigo em Inglês | MEDLINE | ID: mdl-28262939

RESUMO

Reactivity to others' emotions not only can result in empathic concern (EC), an important motivator of prosocial behavior, but can also result in personal distress (PD), which may hinder prosocial behavior. Examining neural substrates of emotional reactivity may elucidate how EC and PD differentially influence prosocial behavior. Participants (N = 57) provided measures of EC, PD, prosocial behavior, and neural responses to emotional expressions at ages 10 and 13. Initial EC predicted subsequent prosocial behavior. Initial EC and PD predicted subsequent reactivity to emotions in the inferior frontal gyrus (IFG) and inferior parietal lobule, respectively. Activity in the IFG, a region linked to mirror neuron processes, as well as cognitive control and language, mediated the relation between initial EC and subsequent prosocial behavior.


Assuntos
Comportamento do Adolescente/fisiologia , Emoções/fisiologia , Empatia/fisiologia , Função Executiva/fisiologia , Expressão Facial , Córtex Pré-Frontal/fisiologia , Comportamento Social , Adolescente , Criança , Feminino , Seguimentos , Humanos , Masculino
13.
J Cogn Neurosci ; 27(1): 13-25, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25100220

RESUMO

Adolescent decision-making is a topic of great public and scientific interest. However, much of the neuroimaging research in this area contrasts only one facet of decision-making (e.g., neural responses to anticipation or receipt of monetary rewards). Few studies have directly examined the processes that occur immediately before making a decision between two options that have varied and unpredictable potential rewards and penalties. Understanding adolescent decision-making from this vantage point may prove critical to ameliorating risky behavior and improving developmental outcomes. In this study, participants aged 14-16 years engaged in a driving simulation game while undergoing fMRI. Results indicated activity in ventral striatum preceded risky decisions and activity in right inferior frontal gyrus (rIFG) preceded safe decisions. Furthermore, participants who reported higher sensation-seeking and sensitivity to reward and punishment demonstrated lower rIFG activity during safe decisions. Finally, over successive games, rIFG activity preceding risky decisions decreased, whereas thalamus and caudate activity increased during positive feedback (taking a risk without crashing). These results indicate that regions traditionally associated with reward processing and inhibition not only drive risky decision-making in the moment but also contribute to learning about risk tradeoffs during adolescence.


Assuntos
Encéfalo/crescimento & desenvolvimento , Encéfalo/fisiologia , Tomada de Decisões/fisiologia , Assunção de Riscos , Adolescente , Desenvolvimento do Adolescente/fisiologia , Mapeamento Encefálico , Feminino , Jogos Experimentais , Humanos , Individualidade , Imageamento por Ressonância Magnética , Masculino , Inquéritos e Questionários
14.
Neuroimage ; 108: 173-81, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25536500

RESUMO

The ability to regulate temptation and manage appetitive cravings is an important aspect of healthy adolescent development, but the neural systems underlying this process are understudied. In the present study, 60 healthy females evenly distributed from 10 to 23years of age used reappraisal to regulate the desire to consume personally-craved and not craved unhealthy foods. Reappraisal elicited activity in common self-regulation regions including the dorsal and ventral lateral prefrontal cortex (specifically superior and inferior frontal gyri), dorsal anterior cingulate cortex, and inferior parietal lobule. Viewing personally-craved foods (versus not craved foods) elicited activity in regions including the ventral striatum, as well as more rostral and ventral anterior cingulate cortex extending into the orbitofrontal cortex. Age positively correlated with regulation-related activity in the right inferior frontal gyrus, and negatively correlated with reactivity-related activity in the right superior and dorsolateral prefrontal cortices. Age-adjusted BMI negatively correlated with regulation-related activity in the predominantly left lateralized frontal and parietal regions. These results suggest that the age-related changes seen in the reappraisal of negative emotion may not be as pronounced in the reappraisal of food craving. Therefore, reappraisal of food craving in particular may be an effective way to teach teenagers to manage cravings for other temptations encountered in adolescence, including alcohol, drugs, and unhealthy food.


Assuntos
Apetite/fisiologia , Encéfalo/fisiologia , Comportamento de Escolha/fisiologia , Fissura/fisiologia , Adolescente , Adulto , Fatores Etários , Mapeamento Encefálico , Criança , Feminino , Humanos , Imageamento por Ressonância Magnética , Adulto Jovem
15.
J Child Psychol Psychiatry ; 56(11): 1212-22, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-25809052

RESUMO

BACKGROUND: Extensive animal research has demonstrated the vulnerability of the brain to early life stress (ELS) with consequences for emotional development and mental health. However, the influence of moderate and common forms of stress on early human brain development is less well-understood and precisely characterized. To date, most work has focused on severe forms of stress, and/or on brain functioning years after stress exposure. METHODS: In this report we focused on conflict between parents (interparental conflict), a common and relatively moderate form of ELS that is highly relevant for children's mental health outcomes. We used resting state functional connectivity MRI to examine the coordinated functioning of the infant brain (N = 23; 6-12-months-of-age) in the context of interparental conflict. We focused on the default mode network (DMN) due to its well-characterized developmental trajectory and implications for mental health. We further examined DMN strength as a mediator between conflict and infants' negative emotionality. RESULTS: Higher interparental conflict since birth was associated with infants showing stronger connectivity between two core DMN regions, the posterior cingulate cortex (PCC) and the anterior medial prefrontal cortex (aMPFC). PCC to amygdala connectivity was also increased. Stronger PCC-aMPFC connectivity mediated between higher conflict and higher negative infant emotionality. CONCLUSIONS: The developing DMN may be an important marker for effects of ELS with relevance for emotional development and subsequent mental health. Increasing understanding of the associations between common forms of family stress and emerging functional brain networks has potential to inform intervention efforts to improve mental health outcomes.


Assuntos
Tonsila do Cerebelo/fisiopatologia , Emoções/fisiologia , Conflito Familiar/psicologia , Giro do Cíngulo/fisiopatologia , Rede Nervosa/fisiopatologia , Córtex Pré-Frontal/fisiopatologia , Estresse Psicológico/fisiopatologia , Adulto , Feminino , Humanos , Lactente , Imageamento por Ressonância Magnética , Masculino
16.
J Neurosci ; 33(17): 7415-9, 2013 Apr 24.
Artigo em Inglês | MEDLINE | ID: mdl-23616547

RESUMO

Self-evaluations undergo significant transformation during early adolescence, developing in parallel with the heightened complexity of teenagers' social worlds. Intuitive theories of adolescent development, based in part on animal work, suggest that puberty is associated with neural-level changes that facilitate a "social reorientation" (Nelson et al., 2005). However, direct tests of this hypothesis using neuroimaging are limited in humans. This longitudinal fMRI study examined neurodevelopmental trajectories associated with puberty, self-evaluations, and the presumed social reorientation during the transition from childhood to adolescence. Participants (N = 27, mean age = 10.1 and 13.1 years at time points one and two, respectively) engaged in trait evaluations of two targets (the self and a familiar fictional other), across two domains of competence (social and academic). Responses in ventromedial PFC increased with both age and pubertal development during self-evaluations in the social domain, but not in the academic domain. These results suggest that changes in social self-evaluations are intimately connected with biology, not just peer contexts, and provide important empirical support for the relationship between neurodevelopment, puberty, and social functioning.


Assuntos
Desenvolvimento do Adolescente/fisiologia , Puberdade/fisiologia , Autoavaliação (Psicologia) , Adolescente , Encéfalo/crescimento & desenvolvimento , Criança , Feminino , Humanos , Estudos Longitudinais , Imageamento por Ressonância Magnética/métodos , Masculino , Estimulação Luminosa/métodos , Puberdade/psicologia
17.
Emotion ; 24(1): 67-80, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37199936

RESUMO

During the COVID-19 pandemic, there has been a rise in common mental health problems compared to prepandemic levels, especially in young people. Understanding the factors that place young people at risk is critical to guide the response to increased mental health problems. Here we examine whether age-related differences in mental flexibility and frequency of use of emotion regulation strategies partially account for the poorer affect and increased mental health problems reported by younger people during the pandemic. Participants (N = 2,367; 11-100 years) from Australia, the UK, and US were surveyed thrice at 3-month intervals between May 2020 and April 2021. Participants completed measures of emotion regulation, mental flexibility, affect, and mental health. Younger age was associated with less positive (b = 0.008, p < .001) and more negative (b = -0.015, p < .001) affect across the first year of the pandemic. Maladaptive emotion regulation partially accounted for age-related variance in negative affect (ß = -0.013, p = .020), whereby younger age was associated with more frequent use of maladaptive emotion regulation strategies, which, in turn, was associated with more negative affect at our third assessment point. More frequent use of adaptive emotion regulation strategies, and in turn, changes in negative affect from our first to our third assessment, partially accounted for age-related variance in mental health problems (ß = 0.007, p = .023). Our findings add to the growing literature demonstrating the vulnerability of younger people during the COVID-19 pandemic and suggest that emotion regulation may be a promising target for intervention. (PsycInfo Database Record (c) 2024 APA, all rights reserved).


Assuntos
COVID-19 , Regulação Emocional , Humanos , Adolescente , Regulação Emocional/fisiologia , Emoções/fisiologia , Saúde Mental , Longevidade , Pandemias
18.
Dev Psychol ; 60(5): 858-877, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38358662

RESUMO

Adverse experiences throughout development confer risk for a multitude of negative long-term outcomes, but the processes via which these experiences are neurobiologically embedded are still unclear. Adolescence provides an opportunity to understand how these experiences impact the brain's rapidly changing structure. Two models are central to current adversity conceptualizations: a cumulative risk model, where all types of experiences are combined to represent accumulating stress, and a dimensional model, where certain features of experience (e.g., threat or deprivation) exert unique neurophysiological influence. In this registered report, we extended upon previous research by using a form of representational similarity analysis to examine whether the dimensional and cumulative risk models of adversity predict cortical thinning in frontoparietal and frontotemporal networks and volumetric changes in subcortical regions throughout adolescence. Drawing from a longitudinal sample of 179 adolescent girls (ages 10-13 years at the first wave) from Lane County, Oregon, United States, and up to four waves of follow-up data, we found that operationalizing adversity by similarity in threat and deprivation provided better prediction of brain development than similarity in overall adversity. However, these dimensions do not exhibit unique associations with developmental changes in the hypothesized brain changes. These results underscore the significance of carefully defining adversity and considering its impact on the entire brain. (PsycInfo Database Record (c) 2024 APA, all rights reserved).


Assuntos
Desenvolvimento do Adolescente , Experiências Adversas da Infância , Encéfalo , Imageamento por Ressonância Magnética , Humanos , Adolescente , Feminino , Criança , Encéfalo/crescimento & desenvolvimento , Encéfalo/diagnóstico por imagem , Estudos Longitudinais , Desenvolvimento do Adolescente/fisiologia , Publicação Pré-Registro
19.
Neuroimage ; 82: 23-34, 2013 Nov 15.
Artigo em Inglês | MEDLINE | ID: mdl-23707590

RESUMO

Social exclusion and risk-taking are both common experiences of concern in adolescence, yet little is known about how the two may be related at behavioral or neural levels. In this fMRI study, adolescents (N=27, 14 male, 14-17years-old) completed a series of tasks in the scanner assessing risky decision-making before and after an episode of social exclusion. In this particular context, exclusion was associated with greater behavioral risk-taking among adolescents with low self-reported resistance to peer influence (RPI). When making risky decisions after social exclusion, adolescents who had lower RPI exhibited higher levels of activity in the right temporoparietal junction (rTPJ), and this response in rTPJ was a significant mediator of the relationship between RPI and greater risk-taking after social exclusion. Lower RPI was also associated with lower levels of activity in lPFC during crashes following social exclusion, but unlike rTPJ this response in lPFC was not a significant mediator of the relationship between RPI and greater risk-taking after social exclusion. The results suggest that mentalizing and/or attentional mechanisms have a unique direct effect on adolescents' vulnerability to peer influence on risk-taking.


Assuntos
Mapeamento Encefálico , Encéfalo/fisiologia , Tomada de Decisões/fisiologia , Distância Psicológica , Assunção de Riscos , Adolescente , Feminino , Humanos , Interpretação de Imagem Assistida por Computador , Imageamento por Ressonância Magnética , Masculino , Grupo Associado
20.
Psychol Sci ; 24(5): 782-9, 2013 May.
Artigo em Inglês | MEDLINE | ID: mdl-23538912

RESUMO

Experiences of adversity in the early years of life alter the developing brain. However, evidence documenting this relationship often focuses on severe stressors and relies on peripheral measures of neurobiological functioning during infancy. In the present study, we employed functional MRI during natural sleep to examine associations between a more moderate environmental stressor (nonphysical interparental conflict) and 6- to 12-month-old infants' neural processing of emotional tone of voice. The primary question was whether interparental conflict experienced by infants is associated with neural responses to emotional tone of voice, particularly very angry speech. Results indicated that maternal report of higher interparental conflict was associated with infants' greater neural responses to very angry relative to neutral speech across several brain regions implicated in emotion and stress reactivity and regulation (including rostral anterior cingulate cortex, caudate, thalamus, and hypothalamus). These findings suggest that even moderate environmental stress may be associated with brain functioning during infancy.


Assuntos
Percepção Auditiva/fisiologia , Emoções/fisiologia , Conflito Familiar/psicologia , Imageamento por Ressonância Magnética/métodos , Sono/fisiologia , Ira/fisiologia , Encéfalo/fisiologia , Mapeamento Encefálico/métodos , Feminino , Humanos , Lactente , Masculino , Processos Mentais/fisiologia , Estresse Psicológico/psicologia , Voz/fisiologia
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