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The COVID-19 pandemic and resulting measures can be regarded as a global stressor. Cross-sectional studies showed rather negative impacts on people’s mental health, while longitudinal studies considering pre-lockdown data are still scarce. The present study investigated the impact of COVID-19 related lockdown measures in a longitudinal German sample, assessed since 2017. During lockdown, 523 participants completed additional weekly online questionnaires on e.g., mental health, COVID-19-related and general stressor exposure. Predictors for and distinct trajectories of mental health outcomes were determined, using multilevel models and latent growth mixture models, respectively. Positive pandemic appraisal, social support, and adaptive cognitive emotion regulation were positively, whereas perceived stress, daily hassles, and feeling lonely negatively related to mental health outcomes in the entire sample. Three subgroups (“recovered,” 9.0%; “resilient,” 82.6%; “delayed dysfunction,” 8.4%) with different mental health responses to initial lockdown measures were identified. Subgroups differed in perceived stress and COVID-19-specific positive appraisal. Although most participants remained mentally healthy, as observed in the resilient group, we also observed inter-individual differences. Participants’ psychological state deteriorated over time in the delayed dysfunction group, putting them at risk for mental disorder development. Consequently, health services should especially identify and allocate resources to vulnerable individuals.

Fluorescent proteins are indispensable molecular tools for visualizing biological structures and processes, but their limited photostability restricts the duration of dynamic imaging experiments. Yellow fluorescent proteins (YFPs), in particular, photobleach rapidly. Here, we introduce mGold2s and mGold2t, YFPs with up to 25-fold greater photostability than mVenus and mCitrine, two commonly used YFPs, while maintaining comparable brightness. These variants were identified using a high-throughput pooled single-cell platform, simultaneously screening for high brightness and photostability. Compared with our previous benchmark, mGold, the mGold2 variants display a ~4-fold increase in photostability without sacrificing brightness. mGold2s and mGold2t extend imaging durations across diverse modalities, including widefield, total internal reflection fluorescence (TIRF), super-resolution, single-molecule, and laser-scanning confocal microscopy. When incorporated into fluorescence resonance energy transfer (FRET)-based biosensors, the proposed YFPs enable more reliable, prolonged imaging of dynamic cellular processes. Overall, the enhanced photostability of mGold2s and mGold2t enables high-sensitivity imaging of subcellular structures and cellular activity over extended periods, broadening the scope and precision of biological imaging. Yellow fluorescent proteins (YFPs) photobleach rapidly, restricting microscopy experiments. Here, the authors report mGold2s and mGold2t, YFPs that extend imaging durations up to 25 times longer than standard probes without sacrificing brightness.

Substantial evidence shows that physical activity and fitness play a protective role in the development of stress related disorders. However, the beneficial effects of fitness for resilience to modern life stress are not fully understood. Potentially protective effects may be attributed to enhanced resilience via underlying psychosocial mechanisms such as self-efficacy expectations. This study investigated whether physical activity and fitness contribute to prospectively measured resilience and examined the mediating effect of general self-efficacy. 431 initially healthy adults participated in fitness assessments as part of a longitudinal-prospective study, designed to identify mechanisms of resilience. Self-efficacy and habitual activity were assessed in parallel to cardiorespiratory and muscular fitness, which were determined by a submaximal step-test, hand strength and standing long jump test. Resilience was indexed by stressor reactivity: mental health problems in relation to reported life events and daily hassles, monitored quarterly for nine months. Hierarchical linear regression models and bootstrapped mediation analyses were applied. We could show that muscular and self-perceived fitness were positively associated with stress resilience. Extending this finding, the muscular fitness–resilience relationship was partly mediated by self-efficacy expectations. In this context, self-efficacy expectations may act as one underlying psychological mechanism, with complementary benefits for the promotion of mental health. While physical activity and cardiorespiratory fitness did not predict resilience prospectively, we found muscular and self-perceived fitness to be significant prognostic parameters for stress resilience. Although there is still more need to identify specific fitness parameters in light of stress resilience, our study underscores the general relevance of fitness for stress-related disorders prevention.

Resilience is the maintenance and/or quick recovery of mental health during and after periods of adversity. It is conceptualized to result from a dynamic process of successful adaptation to stressors. Up to now, a large number of resilience factors have been proposed, but the mechanisms underlying resilience are not yet understood. To shed light on the complex and time-varying processes of resilience that lead to a positive long-term outcome in the face of adversity, the Longitudinal Resilience Assessment (LORA) study has been established. In this study, 1191 healthy participants are followed up at 3- and 18-month intervals over a course of 4.5 years at two study centers in Germany. Baseline and 18-month visits entail multimodal phenotyping, including the assessment of mental health status, sociodemographic and lifestyle variables, resilience factors, life history, neuropsychological assessments (of proposed resilience mechanisms), and biomaterials (blood for genetic and epigenetic, stool for microbiome, and hair for cortisol analysis). At 3-monthly online assessments, subjects are monitored for subsequent exposure to stressors as well as mental health measures, which allows for a quantitative assessment of stressor-dependent changes in mental health as the main outcome. Descriptive analyses of mental health, number of stressors including major life events, daily hassles, perceived stress, and the ability to recover from stress are here presented for the baseline sample. The LORA study is unique in its design and will pave the way for a better understanding of resilience mechanisms in humans and for further development of interventions to successfully prevent stress-related disorder.

Positive Appraisal Style Theory of Resilience posits that a person’s general style of evaluating stressors plays a central role in mental health and resilience. Specifically, a tendency to appraise stressors positively (positive appraisal style; PAS) is theorized to be protective of mental health and thus a key resilience factor. To this date no measures of PAS exist. Here, we present two scales that measure perceived positive appraisal style, one focusing on cognitive processes that lead to positive appraisals in stressful situations (PASS-process), and the other focusing on the appraisal contents (PASS-content). For PASS-process, the items of the existing questionnaires Brief COPE and CERQ-short were analyzed in exploratory and confirmatory factor analyses (EFA, CFA) in independent samples (N = 1157 and N = 1704). The resulting 10-item questionnaire was internally consistent (α = .78, 95% CI [.86, .87]) and showed good convergent and discriminant validity in comparisons with self-report measures of trait optimism, neuroticism, urgency, and spontaneity. For PASS-content, a newly generated item pool of 29 items across stressor appraisal content dimensions (probability, magnitude, and coping potential) were subjected to EFA and CFA in two independent samples (N = 1174 and N = 1611). The resulting 14-item scale showed good internal consistency (α = .87, 95% CI [.86, .87]), as well as good convergent and discriminant validity within the nomological network. The two scales are a new and reliable way to assess self-perceived positive appraisal style in large-scale studies, which could offer key insights into mechanisms of resilience.

An increasing body of research suggests that empathic traits at high levels may predict negative affectivity. Here, we investigate the combinatory and differential role of affective (personal distress, empathic concern) and cognitive (perspective taking) facets of empathy for their contribution to negative affectivity in two general population samples (N 1  = 259, N 2  = 938). A latent profile analysis revealed four combinatory groups of affective and cognitive empathic facets (i.e., high affective high cognitive [A+/C+], high affective low cognitive [A+/C−], low affective high cognitive [A−/C+], low affective low cognitive [A−/C−]). These groups were differentially associated with negative affectivity, showing that greater affective empathy was associated with increased negative affect. Moreover, moderation and subsidiary simple slopes analyses demonstrated that self-oriented affective empathy (personal distress) was generally positively associated with depression and anxiety. In case of depressive symptomatology, this correlation was lower under circumstances of high cognitive empathy, but only in the larger, second sample. Other-oriented affective empathy (empathic concern) was not related to negative affect. Our findings suggest that enhanced self-focused affective empathy may be associated with exaggerated involvement in the emotional experience of others, with the potential to reduce the negative correlation of accurate emotion recognition with negative affect.

Stress resilience is the maintenance of mental health despite adversity. Identifying factors that predict and promote good long-term mental health outcomes in stressor-exposed individuals is a first step towards developing more effective prevention programs. In two independent observational samples ( N  = 132, N  = 1034), we find that a tendency to evaluate stressors in a realistic to slightly unrealistically positive fashion (positive appraisal style, PAS) is prospectively associated with resilient outcomes over several years. We also find that PAS is an integrative, proximal resilience factor that mediates the pro-resilience effects of other protective factors (e.g., social support). In an analysis of pre-specified exploratory outcomes of a randomized controlled trial comparing a behavioral intervention targeting a broad set of resilience factors against usual care in a sample of distressed healthcare workers ( N  = 232; trial registry: NCT04980326), we find that PAS is modifiable, with improvements in PAS mediating intervention-induced improvements in resilience. These results establish PAS as a proximal, plastic, and potentially causal resilience factor. Stress resilience is the maintenance of mental health despite adversity. Here, the authors show that how we typically evaluate adverse events is a key resilience factor and that improving it goes along with improved resilience.

BackgroundCompleted suicide (CS) is among the leading causes of death. Suicide attempts (SAs) are more frequent and are a significant contributor to overall morbidity. However, there is only few data on community-based suicide prevention using systemic approaches. We have implemented a communal suicide prevention program and tested whether it reduced the number of SA and CS.Methods“FraPPE” comprised measures proposed by previous studies: low-threshold outpatient services, a SA postvention, a hotline targeting individuals with suicidal intent, qualification of gatekeepers and general practitioners, and a campaign to refer SA cases to psychiatric services and antistigma campaigns. The intervention lasted for 25 months.ResultsFor CS, 7.7 cases per month were recorded during baseline, compared to 9 cases per month in the intervention phase. For SA, the numbers were 39.2 and 40.7, respectively. These numbers did not differ significantly. The most frequent diagnostic group was affective disorders, followed by substance use disorders. The average age was lower in the SA group. More males committed suicide (p < 0.001), whereas the sex ratio was balanced in SA.ConclusionsThe communal suicide prevention measures implemented in FraPPE did not reduce the number of suicides and SAs. This should be interpreted with caution, as a number of prevention measures were already executed in the region. Also, data were confounded by the COVID-19 pandemic. Our awareness campaign may also have reduced the dark field, leading to increased reporting. We thus propose to enact registries on suicidal behaviors, to obtain better data and develop new preventive measures.

Impulsivity is an important personality trait that has been associated with unhealthy dietary choices and higher alcohol consumption. In turn, both diet and alcohol can affect gut microbiota composition, which has been recently linked with mental health. Although a few studies have explored the relationship between personality traits and gut microbiota, the interplay between trait impulsivity, diet, and gut microbiota remains underexplored. In the present cross-sectional study, we examine the relationship between impulsivity, diet, and fecal microbiota composition in the LORA (Longitudinal Resilience Assessment) cohort, which included participants of the general population ( N  = 913), without any lifetime diagnosis of mental disorder and no major disease. Fecal samples were analyzed using 16S ribosomal RNA amplicon sequencing, and trait impulsivity was assessed using the UPPS (Urgency-Premeditation-Perseverance-Sensation seeking) questionnaire. UPPS facets were associated with consumption of alcohol, sugary drinks, fruits, vegetables and fiber but not with meat. All the dietary components were associated with overall fecal microbiota composition as determined by beta diversity analyses, but no associations were detected for any of the four UPPS facets. Per genus analysis revealed associations of urgency with three bacterial taxa, premediation with four bacterial taxa and sensation seeking with one bacterial taxon. Notably, the genera Butyricicoccus and Lachnospiraceae UCG-001 that were negatively associated with urgency were also associated with healthier dietary patterns such as higher fiber, fruits and vegetables consumption and with lower consumption of sugary drinks. Furthermore the bacterium Eubacterium siraeum that was associated with higher sensation seeking, was also associated with more frequent alcohol consumption. Overall, our results suggest that impulsivity in neurotypical adults is associated with dietary choices and the relative abundances of specific gut bacteria.

Background: Nutritional beliefs play an important role when it comes to food choice. However, little attention has been paid to which foods individuals believe to be comforting when experiencing stress. With increasing health awareness in the general public, this study aims to examine whether the nutritional belief exists that only healthy foods relieve stress. If so, we are interested in its relationship to Orthorexia Nervosa (ON) tendencies. Methods: 175 participants (mean age 28.5 ± 7.8 years, 124 females) completed questionnaires to assess beliefs about stress-relieving foods and ON tendencies. Principal component analysis was used to reduce foods to food groups. Subsequently, a latent profile analysis was performed to identify groups with distinct nutritional beliefs. Results: Among eight distinct groups, one group (8% of the sample) reported the belief that exclusively healthy foods relieve stress. Multinominal logistic regressions showed that higher ON tendencies were associated with that group. Conclusions: Our findings suggest that individuals with stronger ON tendencies believe that, in particular, healthy foods relieve stress. This indicates that nutritional beliefs in ON concern not only the somatic consequences of certain foods, but also psychological consequences, which might also drive orthorexic behaviour. This offers a new target for the diagnosis and treatment of ON.