Article
Biology
Youna Vandaele, Magalie Lenoir, Caroline Vouillac-Mendoza, Karine Guillem, Serge H. Ahmed
Summary: This study examines the decision-making mechanisms between drug and nondrug rewards by comparing response latencies during sampling and choice trials. Rats engage deliberative decision-making mechanisms after limited training, but adopt a habit-like response selection mechanism after extended training. The DCM and SCM may not be general choice models, but can be dynamically engaged to control choice behavior during early and extended training.
Review
Psychology
Katherine E. Powers, Lena Schaefer, Bernd Figner, Leah H. Somerville
Summary: This study found that peer observation has a small but significant effect on adolescent risky decision-making, with peers' expression of risk-seeking preferences being a moderating factor. However, the overall effect size is small and may not be applicable to real-world contexts.
PSYCHOLOGICAL BULLETIN
(2022)
Article
Psychology, Developmental
Corinna Lorenz, Jutta Kray
Summary: This study analyzed trial-by-trial choice behavior to investigate the effects of peer presence on risk-taking tendencies and reactions to positive and negative outcomes. The findings revealed that peer observation reduced risk-taking but increased exploration tendencies, and individual differences modulated this effect.
JOURNAL OF YOUTH AND ADOLESCENCE
(2022)
Article
Psychology, Developmental
Natasha Duell, Seh-Joo Kwon, Kathy T. Do, Caitlin C. Turpyn, Mitchell J. Prinstein, Kristen A. Lindquist, Eva H. Telzer
Summary: This study examines the relationship between adolescents' positive risk taking and neural activation during risky decision-making. The results indicate that high positive risk taking is uniquely associated with decreased tracking of expected value in the dorsomedial prefrontal cortex (dmPFC).
DEVELOPMENTAL COGNITIVE NEUROSCIENCE
(2022)
Article
Economics
Agnieszka Tymula, Xueting Wang
Summary: Adolescents tend to make more welfare-decreasing decisions in the presence of peers, leading to substantial losses in terms of lives, injury, and missed opportunities. When observed by peers, 18-24-year-old adolescents become more risk-tolerant in gains and losses but more loss averse.
JOURNAL OF ECONOMIC BEHAVIOR & ORGANIZATION
(2021)
Article
Plant Sciences
Qiuran Wang, Silvia Guerra, Bianca Bonato, Valentina Simonetti, Maria Bulgheroni, Umberto Castiello
Summary: Finding a suitable support is crucial for climbing plants, as it affects their performance and fitness. Previous studies have focused on the mechanistic details of support-searching and attachment, while fewer have considered the ecological significance and influencing factors. This study investigates the influence of support diameter on pea plants' movement and reveals a preference for thinner supports. These findings shed further light on how climbing plants make decisions regarding support-searching and demonstrate their ability to adapt to environmental scenarios.
Review
Biology
Luca Mazzucato
Summary: This article examines the complexity of time in natural animal behavior, which is shown to stem from factors such as hierarchy, context, and stochasticity. Recent research has proposed a new mechanistic theory emphasizing the coordinated interactions between mesoscopic neural circuits to generate temporal variability.
Article
Psychology, Developmental
Livia Tomova, Jack L. Andrews, Sarah-Jayne Blakemore
Summary: Adolescents tend to avoid social risk taking, such as being socially excluded by their peers, as the negative impact of social exclusion and loneliness is particularly high during adolescence. Seeking peer approval and avoiding exclusion are important motivations for young people due to the negative effects on their well-being. This can lead to heightened peer influence, influencing a range of behaviors depending on peer norms.
DEVELOPMENTAL REVIEW
(2021)
Article
Psychology, Educational
Lenka Kollerova, Melanie Killen
Summary: The study found some subtle ethnic and gender biases in teachers' evaluations of peer exclusion. While teachers viewed exclusion as having a more negative impact for Arab targets than for Czech targets in terms of fairness, their reasoning about the wrongfulness of such exclusion was less focused on moral concerns about fairness for Arab targets. Teachers were less concerned about the harmful impact of exclusion on boy targets compared to girl targets when considering intervention.
BRITISH JOURNAL OF EDUCATIONAL PSYCHOLOGY
(2021)
Article
Neurosciences
Yanyan Zhao, Danli Wang, Xinyuan Wang, Steve C. C. Chiu
Summary: Emotions can greatly influence decision-making, especially in important decisions. Through experimental research, we found the mechanisms of how emotions affect spatial decision-making and drew conclusions that can provide a basis for avoiding erroneous decisions caused by emotions.
FRONTIERS IN NEUROSCIENCE
(2022)
Article
Economics
Tanmoy Das, Priyodorshi Banerjee
Summary: Complex financial decisions often need to be made, and increased complexity can lead to social learning and reliance on observed decisions of peers. This study examines the relationship between decision complexity and peer effects on financial decisions through a field experiment. The experiment involves subjects making the same portfolio allocation decision twice, with the second decision influenced by unexpectedly observing a peer's choice. The study finds that increased complexity heightens revision activity, contributing to the understanding of peer effects in financial decision-making.
ECONOMIC MODELLING
(2023)
Article
Hospitality, Leisure, Sport & Tourism
Lawrence Hoc Nang Fong, Daniel Leung, Ly Tuan Phong, Carol Xiaoyue Zhang
Summary: The study reveals that cultural mindsets have a significant impact on intention to stay in foreign P2P accommodations, with different effects and mechanisms depending on the culture. Specifically, Americans with a growth mindset had higher intention, while Mainland Chinese with the same mindset had lower intention, showcasing the role of cultural values.
JOURNAL OF HOSPITALITY AND TOURISM MANAGEMENT
(2021)
Review
Neurosciences
Haicheng Lu, Peng Cao
Summary: Breathing is essential for life, but chronic airway diseases like asthma and chronic obstructive pulmonary disease can have severe impacts on millions of people. The immune system and nervous system play important roles in protecting and monitoring the respiratory tract, but abnormalities in these systems can lead to autoimmune airway disorders. Ion channels and Na+ channels are crucial in sensing harmful stimuli and generating neurogenic inflammation and airway hypersensitivity. Understanding the neural circuitry involved in airway protection could help develop precise therapeutic strategies for airway diseases.
NEUROSCIENCE BULLETIN
(2023)
Article
Biology
Ariel X. -A. Goh, Daniel Bennett, Stefan Bode, Trevor T. -J. Chong
Summary: This study investigates the neurocomputational mechanisms behind individuals' subjective preference for information, revealing that information value is multidimensional and varies across individuals. The findings show that humans have a strong desire to seek new information, even when it lacks practical utility.
COMMUNICATIONS BIOLOGY
(2021)
Article
Psychology, Multidisciplinary
Julie C. Bowker, Jessica N. Gurbacki, Chloe L. Richard, Kenneth H. Rubin
Summary: Anxious-withdrawal is a risk factor for both psychosocial difficulties and physical health problems, such as sleep difficulties, during adolescence. The severity of exclusion and victimization also plays a role in this association.
BEHAVIORAL SCIENCES
(2023)
Article
Psychology, Developmental
Benjamin W. Nelson, Lisa Sheeber, Jennifer Pfeifer, Nicholas B. Allen
Summary: The study found that maternal depression is associated with increased allostatic load in depressed women and their adolescent children, possibly increasing the risk for early onset of psychiatric conditions and disease in these offspring. The research also indicated differences in mental and physical health risk profiles between depressed mothers and their adolescent offspring, suggesting higher allostatic load in the affected individuals. Further investigation is needed to understand why certain biological systems are more impacted than others and to develop preventative programs for the adolescent offspring of depressed mothers.
JOURNAL OF CHILD PSYCHOLOGY AND PSYCHIATRY
(2021)
Review
Neurosciences
Jennifer H. Pfeifer, Nicholas B. Allen
Summary: Adolescence is a critical period of transition, where hormonal and physical changes influence brain development, social cognition, and peer relations, all of which are linked to the risk of mood and anxiety disorders. Social processes play a crucial role in understanding how pubertal development drives neural and psychological changes that can lead to mental health vulnerabilities, particularly in adolescent girls.
BIOLOGICAL PSYCHIATRY
(2021)
Article
Neurosciences
Marjolein E. A. Barendse, Nicholas B. Allen, Lisa Sheeber, Jennifer H. Pfeifer
Summary: Depression in mothers affects their processing of emotional stimuli and their interactions with their adolescents. This study found that mothers with depression displayed more aggressive and less positive behavior during interactions with their adolescents. They also showed heightened activation in the insula, superior temporal gyrus, and striatum, but reduced activation in the lateral prefrontal cortex when viewing aggressive and neutral affective behavior. These findings emphasize the importance of understanding depressed mothers' affective information processing in relation to their parenting behavior during interactions with their adolescents.
SOCIAL COGNITIVE AND AFFECTIVE NEUROSCIENCE
(2022)
Article
Psychology, Developmental
Danielle Cosme, John C. Flournoy, Jordan L. Livingston, Matthew D. Lieberman, Mirella Dapretto, Jennifer H. Pfeifer
Summary: This study examined longitudinal changes in neural responses during a self/other evaluation task in adolescence. The results found increased activity in social brain regions during adolescence, but this trajectory was not unique to status-related information. Additionally, brain regions associated with self-focused cognition showed heightened responses during self-evaluation, particularly for status-related information, in the transition to mid-adolescence.
DEVELOPMENTAL COGNITIVE NEUROSCIENCE
(2022)
Article
Psychology, Developmental
Savannah Minihan, Amy Orben, Annabel Songco, Elaine Fox, Cecile D. Ladouceur, Louise Mewton, Michelle Moulds, Jennifer H. Pfeifer, Anne-Laura Van Harmelen, Susanne Schweizer
Summary: Belonging is a fundamental human need, and social isolation significantly affects the mental health of young people. Government-imposed restrictions during COVID-19 have a particularly detrimental impact on young individuals and those who are highly sensitive to social rejection.
DEVELOPMENT AND PSYCHOPATHOLOGY
(2022)
Article
Family Studies
Marjolein E. A. Barendse, Jessica Flannery, Caitlin Cavanagh, Melissa Aristizabal, Stephen P. Becker, Estelle Berger, Rosanna Breaux, Nicole Campione-Barr, Jessica A. Church, Eveline A. Crone, Ronald E. Dahl, Tracy A. Dennis-Tiwary, Melissa R. Dvorsky, Sarah L. Dziura, Suzanne van de Groep, Tiffany C. Ho, Sarah E. Killoren, Joshua M. Langberg, Tyler L. Larguinho, Lucia Magis-Weinberg, Kalina J. Michalska, Jordan L. Mullins, Hanna Nadel, Blaire M. Porter, Mitchell J. Prinstein, Elizabeth Redcay, Amanda J. Rose, Wendy M. Rote, Amy K. Roy, Sophie W. Sweijen, Eva H. Telzer, Giana I. Teresi, April Gile Thomas, Jennifer H. Pfeifer
Summary: This study aimed to examine the changes in depression and anxiety symptoms among a sample of 1,339 adolescents from three countries during the first 6 months of the COVID-19 pandemic. The results showed a significant increase in depression symptoms, while anxiety symptoms did not change significantly. Multiethnic adolescents and those under lockdown restrictions reported the most negative impacts on mental health.
JOURNAL OF RESEARCH ON ADOLESCENCE
(2023)
Article
Psychology, Clinical
Victoria Guazzelli Williamson, Estelle L. Berger, Marjolein E. A. Barendse, Jennifer H. Pfeifer, Ronald E. Dahl, Lucia Magis-Weinberg
Summary: This study found that adolescents with higher levels of personal, caregiver, and overall resilience showed lower levels of anxiety and depressive symptoms during the COVID-19 lockdown. Personal, caregiver, and overall resilience also moderated the change in anxiety symptoms. These findings highlight the importance of social-ecological resilience, interpersonal resources, and the caregiver relationship in mitigating the negative impacts of COVID-19 on adolescent internalizing symptoms.
RESEARCH ON CHILD AND ADOLESCENT PSYCHOPATHOLOGY
(2022)
Article
Family Studies
Clare Nowell, Jennifer H. Pfeifer, Peter Enticott, Tim Silk, Nandita Vijayakumar
Summary: Self-disclosure plays a crucial role in developing close interpersonal relationships during adolescence, especially when sharing deeper levels of information with close individuals. This strengthens social bonds and supports mental wellbeing.
JOURNAL OF RESEARCH ON ADOLESCENCE
(2023)
Article
Psychiatry
Jack L. Andrews, Meiwei Li, Savannah Minihan, Annabel Songco, Elaine Fox, Cecile D. Ladouceur, Louise Mewton, Michelle Moulds, Jennifer H. Pfeifer, Anne-Laura Van Harmelen, Susanne Schweizer
Summary: Individuals with high intolerance of uncertainty experienced reductions in depression and anxiety symptoms over the first year of the COVID-19 pandemic, but symptoms remained elevated compared to those with low intolerance of uncertainty. Network analyses revealed that the relationship between depression and anxiety symptoms became stronger over time among individuals with high intolerance of uncertainty, and feeling afraid showed the strongest association with intolerance of uncertainty. The study highlights the importance of exploring ways to enhance resilience among individuals who struggle with uncertainty, as ongoing threats of geopolitical, climate, and health uncertainties are likely.
Article
Clinical Neurology
Annabel Songco, Savannah Minihan, Elaine Fox, Cecile Ladouceur, Louise Mewton, Michelle Moulds, Jennifer Pfeifer, Anne-Laura Van Harmelen, Susanne Schweizer
Summary: Emerging evidence suggests that pregnant women are experiencing increased levels of depressive and anxiety symptoms during COVID-19 compared to pre-pandemic norms. This study examined cognitive and social vulnerability factors for poor mental health in pregnancy during COVID-19. The findings show that COVID-19related stress is associated with higher levels of depression and anxiety, particularly in women with cognitive and social vulnerabilities. The study highlights the importance of prioritizing mental health care for pregnant women to mitigate the impact of COVID-19-related stress on postpartum mental health and infant well-being.
JOURNAL OF AFFECTIVE DISORDERS
(2023)
Article
Psychology, Developmental
Michelle L. Byrne, Nandita Vijayakumar, Samantha J. Chavez, John C. Flournoy, Theresa W. Cheng, Kathryn L. Mills, Marjolein E. A. Barendse, Arian Mobasser, Jessica E. Flannery, Benjamin W. Nelson, Wen Wang, Elizabeth A. Shirtcliff, Nicholas B. Allen, Jennifer H. Pfeifer
Summary: Pubertal processes are associated with structural brain development, but studies have produced inconsistent findings that may relate to different measurements of puberty.
DEVELOPMENTAL COGNITIVE NEUROSCIENCE
(2023)
Article
Medicine, General & Internal
Susanne Schweizer, Jack L. Andrews, Karina Grunewald, Levi Kumle
Summary: Antenatal COVID-19-related stress is significantly associated with postpartum maternal distress, depression, anxiety, and infant negative affectivity. Targeting pandemic-related stressors during the antenatal period may improve maternal and infant outcomes. Therefore, the importance of addressing COVID-19-related stress during pregnancy for maternal and infant health is highlighted.
Article
Neurosciences
Danielle Cosme, Arian Mobasser, Jennifer H. Pfeifer
Summary: Psychological health and well-being play a crucial role in individual and societal thriving. This study examines the neural correlates of self-evaluated psychological health and their dynamic relationship with trial-level evaluations. The findings reveal that self-evaluation activates specific regions of the brain and that these regions are associated with different aspects of psychological health.
SOCIAL COGNITIVE AND AFFECTIVE NEUROSCIENCE
(2023)
Article
Neuroimaging
Nandita C. Vijayakumar, Theresa W. Cheng, Jessica E. Flannery, John C. A. Flournoy, Garrett H. Ross, Arian Mobasser, Zdena Op de Macks, Philip A. Fisher, Jennifer H. Pfeifer
Summary: This study investigated neural responses to exclusionary and inclusionary peer interactions in adolescents in foster care. The findings suggest that adolescents in foster care exhibit greater neural sensitivity to exclusion and reduced sensitivity to inclusion compared to a community sample.
NEUROIMAGE-CLINICAL
(2022)
Article
Psychology, Clinical
Marjolein E. A. Barendse, Michelle L. Byrne, John C. Flournoy, Elizabeth A. McNeilly, Victoria Guazzelli Williamson, Ann-Marie Y. Barrett, Samantha J. Chavez, Elizabeth A. Shirtcliff, Nicholas B. Allen, Jennifer H. Pfeifer
Summary: The earlier timing of puberty in adolescent girls is associated with increased internalizing psychopathology, especially in later stages of development. The measurement of pubertal development characteristics, type of internalizing psychopathology, and timing points all influence the strength of the association, with psychosocial mechanisms potentially playing a more meaningful role than biological mechanisms in determining mental health outcomes.
JOURNAL OF PSYCHOPATHOLOGY AND CLINICAL SCIENCE
(2022)
