Depression: A cognitive perspective

Deep transcranial magnetic stimulation for adolescents with treatment-resistant depression: Behavioral and neural correlates of clinical improvement

BACKGROUND

Affective bias toward negativity is associated with depression and may represent a promising treatment target. Stimulating the dorsolateral prefrontal cortex (dlPFC) with deep Transcranial Magnetic Stimulation (dTMS) could lead to shifts in affective bias. The current study examined behavioral and neural correlates of affective bias in the context of dTMS in adolescents with treatment-resistant depression (TRD).

METHODS

Adolescents completed a Word-Face Stroop (WFS) task during an fMRI scan before and after 30 sessions of dTMS targeting the left dlPFC. In the task, participants were shown words superimposed on faces in either a "congruent" (both word and face were positive or both negative) or an "incongruent" fashion; in both cases, participants identified whether the words were positive or negative. We examined pre-post intervention neural and behavioral WFS changes and their correlations with clinical improvement.

RESULTS

Usable pre- and post-intervention WFS data were available for 10 adolescents with TRD (Age, years: M = 16.3, SD = 1.09) for behavioral data; 9 for neuroimaging data. After treatment, although changes in behavioral performance did not suggest improved affective bias, amygdala activation decreased during the negative word/happy face condition, which correlated with clinical improvement. Overall, clinical improvement correlated with decreased neural activation during congruent conditions.

LIMITATIONS

Major limitations include the small sample size, lack of a sham control group, and unknown psychometric properties.

CONCLUSIONS

Preliminary findings suggesting improving neural efficiency and normalizing affective bias in those with the most clinical improvement highlight the potential importance of targeting affective bias in treating adolescents with TRD.

Depression diagnosis: EEG-based cognitive biomarkers and machine learning

Depression is a complex mental illness that has significant effects on people as well as society. The traditional techniques for the diagnosis of depression, along with the potential of nascent biomarkers especially EEG-based biomarkers, are studied. This review explores the significance of cognitive biomarkers, offering a comprehensive understanding of their role in the overall assessment of depression. It also investigates the effects of depression on various brain regions, outlines promising areas for future research, and emphasizes the importance of understanding the neurophysiological roots of depression. Furthermore, it elucidates how machine learning and deep learning models are integrated into EEG-based depression diagnosis, emphasizing their importance in optimizing personalized therapeutic protocols and improving diagnostic accuracy with EEG data analysis.

The relationship between cognitive and affective control and symptoms of depression and anxiety across the lifespan: A 3-wave longitudinal study

INTRODUCTION

The association between cognitive functioning and mental health symptoms across the lifespan remains poorly understood. Understanding the directionality of the association between mental health and cognition is important as most gold-standard psychological therapies, such as cognitive-behaviour therapy, are cognitively demanding. Here, we examined the directionality of the association between cognitive and affective control with symptoms of depression and anxiety across the lifespan.

METHODS

1002 participants (87.2 % female, age range: 11-89 years) completed self-report measures of depressive and anxiety symptoms and an affective backward digit span task thrice at 3-month intervals. Cross-lagged panel models (CLPMs) were used to model the longitudinal relationships between affective and cognitive control with depressive and anxiety symptoms. Multiple-group CLPMs were applied to test the model invariance between adolescents and adults.

RESULTS

The results supported a unidirectional relationship, where symptoms of depression and anxiety predicted impaired affective control across time points, over and above cognitive control. There was no evidence for affective or cognitive control capacity predicting emotional disorder symptomatology. In addition, multiple-group analysis revealed that depressive symptoms also predicted impaired cognitive control among adolescents only. There were no age-related differences in the associations between cognitive and affective control with anxiety symptoms.

CONCLUSIONS

Our findings support depression and anxiety as antecedents, but not consequences, of impaired affective control. This suggests that timely management of emotional disorders, in particular for adolescents, is essential to prevent deterioration in cognitive functioning. The results further signal that practitioners should consider impaired affective control capacity in therapeutic contexts.

Depression in adolescence and the understanding of health-A phenomenographic study

Health is multifaceted, with divergent interpretations in diverse cultures and groups of individuals. The ways individuals understand health might aid in developing future interventions. There is scant knowledge on how adolescents with depression conceptualise health. A descriptive qualitative design with a phenomenographic approach was used to describe the different ways adolescents with depression conceptualise health. Interviews were performed with adolescents 13-17 years old (n = 33) who participated in a randomised controlled trial evaluating the effects of aerobic group exercise versus leisure group activities for adolescents with depression. The results were interpreted into four metaphors to embody the understanding of health as described by adolescents with depression: 1) establishing sound routines by managing everyday life, 2) connecting to others by having access to social resources, 3) managing depression symptoms by having control over the mental illness, and 4) attaining inner drive by experiencing joy in everyday life. The various conceptions of health among adolescents with depression provide valuable insights for enhancing evidence-based treatments with person-centred care. Key aspects include establishing routines, fostering connections, finding strategies for symptom control, and incorporating joy through exercise. Given that adolescents highlighted these aspects as essential to health, future research could explore individualised health promotion, particularly focusing on routine-building, social connections, or finding an inner drive as an add-on to evidence-based treatments for adolescent depression.

Subclinical depressive symptoms and job stress differentially impact memory in working and retired older adults

Retirement has been associated with cognitive decline beyond normal age-related decline. However, there are many individual differences in retirement that can influence cognition. Subclinical depressive symptoms are common in late life and are associated with general memory decline and a bias towards remembering negative events (i.e., better memory for negative vs. positive or neutral stimuli), in opposition to a reported positivity bias (i.e., better memory for positive vs. negative or neutral stimuli) in aging. Furthermore, job stress is often a major contributor to retirement decisions and may impact cognition post-retirement. Here, we aimed to examine how subclinical depressive symptoms and job stress in working and retired older adults impacted emotional memory. We found that retired, but not working, older adults with greater depressive symptoms showed enhanced negative and impaired positive memory. Second, working older adults with moderately high current job stress showed better memory overall but a weaker positivity bias, while retired older adults with moderately high retrospective job stress showed worse memory overall and a stronger positivity bias. These findings suggest that subclinical depressive symptoms and job stress have differing impacts on emotional memory in late life depending on retirement status.

The moderating effect of frailty on the network of depression, anxiety, and loneliness in community-dwelling older adults

OBJECTIVES

Comorbidities of depression, anxiety and loneliness may be more prevalent in frail older adults, which may lead to an accelerated deterioration of psychological symptoms. This study was aimed to assess the moderating effect of frailty on the network of depression, anxiety, and loneliness symptoms in community-dwelling older adults.

METHODS

A sample of 4253 older adults were recruited from the Psychology and Behavior Investigation of Chinese Residents (PBICR). Frailty, depression, anxiety, and loneliness were assessed using the FRAIL scale, the Patient Health Questionnaire-9, the Generalized Anxiety Disorder 7-item scale, and the Three-Item Loneliness Scale, respectively. Covariates of age, gender, education level, living status, marital status, and monthly family income were also collected.

RESULTS

The prevalence of combined anxiety, depression and loneliness was 36.49 % in (pre)frail (i.e., frail or prefrail) older adults. Using the moderated network model, we found that (pre)frail older adults were more likely to experience "sad mood", "appetite changes", and "feel left out" than non-frail older adults. In addition, (pre)frail older adults had stronger correlations between "feel left out" and "feel isolated from others", "feel isolated from others" and "lack companionship", "nervousness or anxiety" and "feel left out", "nervousness or anxiety" and "feel isolated from others", and "sleep difficulties" and "feel left out" than non-frail older adults, while non-frail older adults had stronger correlations between "feel worthlessness" and "psychomotor agitation/retardation" than (pre)frail older adults.

CONCLUSIONS

(Pre)frail older adults may experience more comorbidities of depression, anxiety and loneliness due to more symptoms and stronger correlations between specific symptoms in the network. Future studies should target these symptoms to eliminate comorbidities of depressive, anxiety and loneliness in (pre)frail older adults.

Examining memory reconsolidation as a mechanism of nitrous oxide's antidepressant action

There is an ongoing need to identify novel pharmacological agents for the effective treatment of depression. One emerging candidate, which has demonstrated rapid-acting antidepressant effects in treatment-resistant groups, is nitrous oxide (N2O)-a gas commonly used for sedation and pain management in clinical settings and with a range of pharmacological effects, including antagonism of NMDA glutamate receptors. A growing body of evidence suggests that subanaesthetic doses of N2O (50%) can interfere with the reconsolidation of maladaptive memories in healthy participants and across a range of disorders. Negative biases in memory play a key role in the onset, maintenance, and recurrence of depressive episodes, and the disruption of affective memory reconsolidation is one plausible mechanism through which N2O exerts its therapeutic effects. Understanding N2O's mechanisms of action may facilitate future treatment development in depression. In this narrative review, we introduce the evidence supporting an antidepressant profile of N2O and evaluate its clinical use compared to other treatments. With a focus on the specific memory processes that are thought to be disrupted in depression, we consider the effects of N2O on memory reconsolidation and propose a memory-based mechanism of N2O antidepressant action.

Biased attention allocation in major depressive disorder: A replication and exploration of the potential effects of depression history

BACKGROUND

Increased attention allocation to negative-valenced information and decreased attention allocation to positive-valenced information have been implicated in the etiology and maintenance of depression. The Matrix task, a free-viewing eye-tracking attention assessment task, has shown corroborating results, coupled with adequate reliability. Yet, replication efforts are still needed. Therefore, we replicated a previously published study in depression, using the same task and attention measures. We also explored the potential added effect of depression history on attention allocation.

METHODS

Participants diagnosed with major depressive disorder (n = 65) and a matched control group of healthy participants (n = 37) freely viewed 60 different face matrices, each presented for six seconds and comprised of eight sad and eight happy faces. Attention allocation to corresponding areas of interest (AOIs) was compared, and the internal consistency of attention allocation measures was assessed. We then compared the attention allocation of participants amidst their first episode (n = 33) to that of participants with a recurrent depressive episode (n = 32).

RESULTS

A significant group-by-stimulus type (happy vs. sad faces) interaction emerged for total dwell time, replicating the findings of the original study. Groups differed on attention allocation to both the sad and happy faces. No findings emerged for first fixation measures. Internal consistency of the total dwell time measure was high. Depression history had no effect on attention allocation.

LIMITATIONS

Due to ethical constraints (delay of treatment), test-retest reliability was not assessed.

CONCLUSIONS

The Matrix task provides a reliable and replicable measure of attention allocation in MDD, showing no effects for depression history.

Anxiety symptoms are distinctly related to working memory deficits in adults with ADHD

Working memory (WM), the cognitive system that briefly stores and updates information during complex tasks, is one of the most consistently identified neurocognitive deficits in individuals with ADHD. WM deficits are linked to significant challenges in daily life. Adults with ADHD often experience co-occurring anxiety and mood disorders, which are associated with more severe clinical presentations and greater WM deficits. Disentangling how co-occurring depression and anxiety symptoms uniquely contribute to WM deficits in individuals with ADHD is critical for tailoring effective, evidence-based interventions and treatments. This study used a regression approach to explore the relationships among anxiety, depression symptoms, and WM performance in adults with ADHD (n = 439) referred for neuropsychological evaluation at a Midwestern academic medical center. ADHD diagnostic group (ADHD-I and ADHD-C; Predominately Inattentive presentation, and Combined presentation, respectively), depression symptoms, and anxiety symptoms were modeled as predictors of WM performance, with education as a covariate, as education is linked to better cognitive performance. Anxiety and education significantly predicted WM performance, while depression did not, highlighting distinct effects. Anxiety was associated with poorer WM performance, whereas education was linked to better WM. These results emphasize the need for clinical assessments that account for the impacts of specific symptoms on WM in adults with ADHD.

The effect of frailty on the relationship between cognition and depression symptoms in older people. A differential analysis by European regions

This study aimed to investigate the moderating effect of frailty on the relationship between cognition and symptoms of depression in individuals aged ≥65 and to explore differences between four European regions (West, North, South, and East). A cross-sectional analysis was conducted with 29,094 participants (16,365 women) from 27 countries, aged ≥65 years, who responded to wave 8 of the SHARE project. The variables analysed were depression (12-item EURO-D scale), frailty, and a general cognition index (CogId). A higher CogId was associated with less depression. Western and Northern European countries indicated better cognitive performance, lower depression symptomology, and frailty scores than those in the South and East. A pre-frail and frail status was a significant moderator, increasing the association between depression and cognition in the East, South, North, and West regions, respectively. The interaction effects between CogId and frailty were found in the West and East regions. Comparatively, the moderating role of frailty in countries in the Western region differed significantly from those in the North. In turn, countries in the South and East differed from those in the North region. Frailty was a moderator of depression symptoms, increasing its association with cognition. Strategies to prevent frailty are important to reduce the burden of depression and cognitive deficits in Europe.

Depression, brain structure and socioeconomic status: A UK Biobank study

BACKGROUND

Depression results from interactions between biological, social, and psychological factors. Literature shows that depression is associated with abnormal brain structure, and that socioeconomic status (SES) is associated with depression and brain structure. However, limited research considers the interaction between each of these factors.

METHODS

Multivariate regression analysis was conducted using UK Biobank data on 39,995 participants to examine the relationship between depression and brain volume in 23 cortical regions for the whole sample and then separated by sex. It then examined whether SES affected this relationship.

RESULTS

Eight out of 23 brain areas had significant negative associations with depression in the whole population. However, these relationships were abolished in seven areas when SES was included in the analysis. For females, three regions had significant negative associations with depression when SES was not included, but only one when it was. For males, lower volume in six regions was significantly associated with higher depression without SES, but this relationship was abolished in four regions when SES was included. The precentral gyrus was robustly associated with depression across all analyses.

LIMITATIONS

Participants with conditions that could affect the brain were not excluded. UK Biobank is not representative of the general population which may limit generalisability. SES was made up of education and income which were not considered separately.

CONCLUSIONS

SES affects the relationship between depression and cortical brain volume. Health practitioners and researchers should consider this when working with imaging data in these populations.

"It's safer to believe that others don't like me" - A qualitative study on the paradoxical value of negative core beliefs in depression

Depression is related to difficulty revising established negative self-beliefs in response to novel positive experiences. This propensity is in some way paradoxical because negative beliefs usually have many obvious negative consequences for the individual (e.g., feeling upset). Using a qualitative approach, the present study sought to explore what makes such negative self-beliefs valuable from the patients' perspectives. In 14 patients with major depression, we conducted semi-structured interviews that explored the perceived benefits of retaining an individually specified negative core belief as well as the perceived costs of changing it. In a deductive-inductive approach based on a recent theoretical model of the value of beliefs, we found eight themes that may explain why people with depression uphold negative beliefs (intercoder agreement: κ = .81): expectation management, certainty and control, avoiding cognitive dissonance, adaptivity in the past, protection of higher values, attachment and belonging, saving resources, short-term counterevidence. The two most frequently mentioned themes were that retaining negative beliefs helps patients sustain certainty and keep expectations low to prevent future disappointments. While previous research has advanced the understanding of how (i.e., through which mechanisms) people with depression maintain negative self-beliefs, the present study provides novel insights into why they do so.

Negative memory bias predicts change in psychiatric problems in a naturalistic psychiatric patient sample

Self-referential negative memory bias contributes to depression and other psychiatric disorders. Co-morbidity between these disorders is highly common in clinical practice, but transdiagnostic predictors like negative memory bias are not well understood yet. Therefore, the present study aimed to investigate the predictive value of negative memory bias for long-term change in broad psychiatric problems. In a naturalistic psychiatric patient sample (N = 202), using a prospective design, we examined the predictive value of negative memory bias (Self-Referent Encoding Task, SRET) for change in psychiatric problems (Outcome Questionnaire-45, OQ-45) after one, two, three, and four years. More negative memory bias predicted more psychiatric problems three and four years later, even when controlling for baseline psychiatric problems and depression. Memory bias might be a transdiagnostic predictor of change in psychiatric problems. Including such neuropsychological measures in diagnostics and symptom course prediction may improve psychological interventions.

Future time perspective and depression, anxiety, and stress in adulthood

BACKGROUND AND OBJECTIVE

Research has shown that perceptions of future time as limited are associated with more depressive symptoms. However, there is limited research on which dimensions of future time perspective (FTP: opportunity, extension, constraint) are associated with depression, anxiety, and stress, and whether these findings vary across age.

DESIGN AND METHODS

Data came from a cross-sectional study in a nonclinical U.S. sample (N = 793, 48.0% male; 48.7% female; age: M = 50 years, range: 19-85 years), and local structural equation modeling was used to examine the moderating role of age as a continuous variable rather than artificial age groups.

RESULTS

For all dimensions of FTP, the perception of the future as limited was moderately to strongly associated with higher depression, anxiety and stress levels. More importantly, the association between the perceived constraint dimension and depression, anxiety, and stress was twice as large at younger ages than at older ages.

CONCLUSION

These findings indicate that perceived constraint is primarily a strong risk factor for or indicator of negative wellbeing in young adulthood, whereas perceived limited opportunity and extension are potential risk factors or indicators across the entire adulthood.

The Pathway Relationship Between Physical Activity Levels and Depressive Symptoms in University Students Mediated by Cognitive Flexibility

OBJECTIVE

To explore the mediating pathway of cognitive flexibility in the relationship between physical activity and depressive symptoms among university students.

METHODS

A cross-sectional design was used to survey 2537 university students using the Physical Activity Rating Scale-3, Patients' Health Questionnaire, and Cognitive Flexibility Inventory. Data analysis was conducted using independent samples t-test, chi-square test, correlation analysis, one-way ANOVA, and mediation analysis.

RESULTS

A statistically significant negative correlation exists between the intensity of physical activity and depression symptom scores (r = -0.104, p < 0.01). The intensity of physical activity demonstrates a statistically significant positive correlation with controllability (r = 0.109, p < 0.01). A marked negative correlation is observed between depressive symptoms and controllability scores (r = -0.367, p < 0.01). The total effect of physical activity intensity on depressive symptoms was quantified as -0.3542 (95% CI: -0.5439 to -0.1645). The direct effect was found to be -0.2199 (95% CI: -0.3981, -0.0417), while the mediating effect of controllability was calculated to be -0.1343 (95% CI: -0.2145 to -0.0630).

CONCLUSION

Increased engagement in physical activity among university students is associated with a reduction in their depressive symptom scores. Controllability serves as a mediating factor in the relationship between physical activity and depressive symptoms among university students.

Evaluation of Early Maladaptive Schemas and Adult Attachment Profiles in Patients Diagnosed with Major Depressive Disorder and Examination of Their Relationship with Disease Variables

Background/Objectives: The study aimed to compare the early maladaptive schemas and adult attachment profiles of patients diagnosed with major depressive disorder with those of healthy controls. Another objective of our study was to investigate the potential relationships between disease-related variables-such as the type of depression, number of depressive episodes, history of hospitalization, and suicidal ideation or attempts-and schema and attachment characteristics in the group of patients with major depressive disorder. Methods: The study included 118 patients who presented to the Psychiatry outpatient clinic at Mersin University Faculty of Medicine Hospital between 1 April 2021 and 1 September 2021 and were diagnosed with major depressive disorder according to DSM-5 diagnostic criteria based on mental state examinations conducted by researchers, as well as 92 healthy volunteers with no history of mental disorders. A sociodemographic data form prepared by the researchers was used to inquire about characteristics such as gender, age, and educational status. Additionally, a clinical data form was designed and implemented by the researchers to gather information regarding DSM-5 specifiers and the patients' clinical histories. The Young Schema Questionnaire Short Form-3 was used to evaluate early maladaptive schemas, while adult attachment profiles were assessed using the Experiences in Close Relationships Inventory II. The severity of depression in the patient group was measured with the Beck Depression Inventory. Statistical analysis of the data was conducted using SPSS 21, with a p-value less than 0.05 considered statistically significant. Results: The study included 118 patients, 84 (71.2%) of whom were women and 34 (28.8%) men, along with 92 healthy volunteers, 60 (65.2%) of whom were women and 32 (34.8%) men. The mean age was 41.9 (±13.2) in the patient group and 40.8 (±11.9) in the control group (p > 0.05). The patient group had higher scores than the control group across all schema subtypes and attachment dimensions. Significant differences in certain schemas were observed between patients with chronic depression and those with recurrent depressive episodes, as well as between patients with a single hospitalization history and those with multiple hospitalizations, and between patients with a history of suicide attempts and those without any suicidal ideation or attempts. Positive significant correlations were found between the attachment and schema scores and the severity of depression in both patients and controls. Conclusions: Further research is needed to determine the role of schemas and attachment styles in the development of depression in more detail and to focus on schema and attachment-based therapies in treatment.

The development and validation of a tablet-based assessment battery of general cognitive ability

BACKGROUND

Traditional cognitive assessments, often reliant on paper-and-pencil tests and professional evaluators, suffer from subjectivity and limited result discrimination. This study introduces the Baguan Online Cognitive Assessment System (BOCAS), a tablet-based system that evaluates both general cognitive ability (GCA) and domain-specific functions across six domains: sensory-motor skills, processing speed, sustained attention, working memory, cognitive flexibility, and spatial ability.

METHODS

BOCAS was validated with 151 healthy Chinese adults aged 18-40. Reliability was assessed through internal consistency and test-retest reliability. Factor analysis and confirmatory factor analysis (CFA) were used to validate the model. The GCA score was correlated with the Raven IQ test and self-reported cognitive flexibility, and its relationship with negative emotions (depression and anxiety) was examined.

RESULTS

BOCAS showed satisfactory reliability, with internal consistency ranging from 0.712 to 0.846 and test-retest reliability from 0.56 to 0.71. Factor analysis revealed a common factor explaining 40% of the variance, and CFA indicated a good model fit (χ²/df = 1.81; CFI = 0.932). The GCA score strongly correlated with the Raven IQ test (r = 0.58) and was related to self-reported cognitive flexibility and negative emotions.

CONCLUSION

BOCAS offers a digital solution for cognitive assessment, providing automated, remote, and precise evaluations. It demonstrates reliability, validity, and potential for use in clinical and research settings.

Efficacy of traditional and gamified attention bias modification for depression: Study protocol for a randomized controlled trial

Cognitive models posit that negatively biased attention toward dysphoric information has a causal role in the maintenance of depression-related psychopathology. Attention bias modification (ABM) tests this idea by altering an attentional bias and examining subsequent effects on depression. Prior work finds that ABM alters negatively biased attention for dysphoric information and reduces depression; however, a number of studies have failed to show these effects. Other research suggests that adding game-like elements (i.e.game play, achievements, levels, challenges, and points) to cognitive training can enhance participant engagement. No prior work has examined the efficacy of gamified ABM for depression. The goal of this study is to conduct a large (N = 600) efficacy trial comparing gamified, mobile ABM and traditional, web-based ABM to traditional, web-based sham ABM among adults with elevated symptoms of depression. Participants in all conditions are asked to complete 16 ABM sessions across a four week period (i.e., 4 training sessions per week). We hypothesize that gamified and traditional ABM will lead to significantly greater reductions in self-reported and interviewer-rated depression symptoms than traditional sham ABM. We further hypothesize that gamified ABM will be non-inferior to traditional ABM. Our third hypothesis is that people with a strong attentional bias will experience greater reductions in depression in response to either gamified or traditional ABM compared to sham ABM. Secondary analyses will examine putative mediators of ABM. Finally, we will estimate the durability of ABM by collecting post-treatment symptom data 2-, 3-, and 6-months after the acute ABM period. ClinicalTrials.gov ID: NCT06361095.

Do Boys and Girls Display Different Levels of Depression in Response to Mobile Phone Addiction? Examining the Longitudinal Effects of Four Types of Mobile Phone Addiction

Purpose

Prior research has indicated that mobile phone addiction (MPA) significantly contributes to depression. However, there is a research gap in exploring the distinct impacts of various types of MPA on depression, along with the potential moderating effect of gender. The current study investigated whether the relationship between MPA and depression varies depending on the types of MPA and gender.

Methods

A one-year longitudinal study was undertaken at two high schools in Central China. Data was gathered at two time points (Time 1/T1 and Time 2/T2) with a one-year gap between assessments. A total of 480 adolescents, aged 12 to 19 years old, completed all questionnaires assessing four types of mobile phone addiction at T1, as well as depression at T1 and T2.

Results

The findings demonstrated significant positive associations between all four types of MPA at T1 and depression at T2. Additionally, gender was found to moderate the associations between three types of MPA and depression. Specifically, among girls, T1 social media addiction had a stronger predictive effect on T2 depression compared to boys. Conversely, among boys, T1 game addiction had a more pronounced predictive effect on T2 depression, which was less significant among girls. Moreover, in boys, T1 short-form video addiction had a noteworthy predictive effect on T2 depression, but this effect was not significant in girls. However, it is worth noting that T1 information acquisition addiction had a significant predictive effect on T2 depression in both boys and girls, with no noticeable gender difference.

Conclusion

The current study has enhanced our understanding of the impact of MPA on mental health by examining the correlation between different types of MPA and depression across genders. The findings provide valuable insights for reducing depression among adolescents of different genders by considering their mobile phone usage patterns.

Associations between attentional biases for emotional images and rumination in depression

Rumination is a key feature of depression and contributes to its onset, maintenance, and recurrence. Researchers have proposed that biases in the attentional processing of emotional information may underlie rumination, and particularly, the brooding component. This investigation evaluated associations between attentional biases for emotional images and rumination, including both brooding and reflection, in currently and never depressed participants. In two separate studies, participants viewed sets of four emotional images (happy, sad, threatening, and neutral) for 8 s in a free-viewing eye-tracking paradigm. In both studies, currently depressed individuals attended to happy face images and happy naturalistic images significantly less than never depressed individuals. In Study 2, currently depressed individuals attended to sad naturalistic images significantly more than never depressed individuals. There were no statistically significant associations between attentional biases and any of the forms of rumination, independent of their shared relationship with depression symptoms. These findings call into question the robustness of the link between attentional biases and rumination.

Social Support, Depression and Anxiety in Cancer Patient-Relative Dyads in Early Survivorship: An Actor-Partner Interdependence Modeling Approach

OBJECTIVE

Cancer places a psychological burden on both patients and their relatives. Perceived social support influences the extent of psychological distress. Our aim was to investigate associations between positive support, detrimental interactions, depression and anxiety in patient-relative dyads in the initial period after diagnosis.

METHODS

Patients with a solid tumor and their relatives participated in this prospective, multicenter observational study. Participants answered validated measures including the Illness-specific Social Support Scale (SSUK-8), the Patient Health Questionnaire (PHQ-9) and the General Anxiety Disorder Scale (GAD-7). We analyzed cross-sectional data from the initial time following diagnosis with paired t-tests and actor-partner interdependence models.

RESULTS

A total of 347 dyads of patients (mean age 59.9 years) and their relatives (mean age 56.7 years) participated. Compared to their relatives, patients reported significantly higher levels of depression (patients: M = 6.31, SD = 4.94; relatives: M = 5.44, SD = 4.77) and lower levels of anxiety (patients: M = 4.40, SD = 4.10; relatives: M = 4.98, SD = 4.47) as well as more positive support (patients: M = 14.31, SD = 2.07; relatives: M = 12.46, SD = 3.29) and a lower frequency of detrimental interactions (patients: M = 3.21, SD = 2.97; relatives: M = 3.66, SD = 2.93). Intrapersonal effects: Positive support was associated with lower distress only for relatives, whereas detrimental interactions were associated with higher distress for both patients and relatives (all p < 0.05). Interpersonal effects: More positive support and fewer detrimental interactions experienced by relatives were associated with lower patient distress (all p < 0.05).

CONCLUSIONS

Better support for relatives may not only reduce their own distress, but also patients' distress. Relatives experience similar levels of distress and poorer social support than patients.

Use of transcranial magnetic stimulation (TMS) for studying cognitive control in depressed patients: A systematic review

Major depressive disorder (MDD) is a debilitating mental disorder and the leading cause of disease burden. Major depressive disorder is associated with emotional impairment and cognitive deficit. Cognitive control, which is the ability to use perceptions, knowledge, and information about goals and motivations to shape the selection of goal-directed actions or thoughts, is a primary function of the prefrontal cortex (PFC). Psychotropic medications are one of the main treatments for MDD, but they are not effective for all patients. An alternative treatment is transcranial magnetic stimulation (TMS). Previous studies have provided mixed results on the cognitive-enhancing effects of TMS treatment in patients with MDD. Some studies have found significant improvement, while others have not. There is a lack of understanding of the specific effects of different TMS protocols and stimulation parameters on cognitive control in MDD. Thus, this review aims to synthesize the effectiveness of the TMS methods and a qualitative assessment of their potential benefits in improving cognitive functioning in patients with MDD. We reviewed 21 studies in which participants underwent a treatment of any transcranial magnetic stimulation protocol, such as repetitive TMS or theta-burst stimulation. One of the primary outcome measures was any change in the cognitive control process. Overall, the findings indicate that transcranial magnetic stimulation (TMS) may enhance cognitive function in patients with MDD. Most of the reviewed studies supported the notion of cognitive improvement following TMS treatment. Notably, improvements were predominantly observed in inhibition, attention, set shifting/flexibility, and memory domains. However, fewer significant improvements were detected in evaluations of visuospatial function and recognition, executive function, phonemic fluency, and speed of information processing. This review found evidence supporting the use of TMS as a treatment for cognitive deficits in patients with MDD. The results are promising, but further research is needed to clarify the specific TMS protocol and stimulation locations that are most effective.

Latent Structure and Item Functioning of Self-Referent Encoding Task Word Stimuli in Preadolescent Youth

The Self-Referent Encoding Task (SRET) can be used to measure self-concept via endorsement of trait words, a robust metric associated with depression severity. Our study is the first to investigate the structural validity and item functioning of SRET endorsement scores using confirmatory factor analysis and item response theory. Community-dwelling preadolescent youth (N = 508; Mage = 12.39 years, SDage = .72) were shown a list of positive and negative trait adjectives and made binary ratings of whether words were self-descriptive. The SRET exhibited a two-factor structure, comprising positive and negative factors. Positive items were endorsed by most children and best estimated information about positive self-concepts below average levels of positivity. Conversely, negative items were unendorsed by most children and best estimated information about negative self-concepts above average levels of negativity. We identify standardized, psychometrically sound, and developmentally sensitive SRET items for assessing youth self-concept and its associations with depression risk.

Increased memory accuracy of previous mood states in depressed patients in daily life

Depression is characterized by a loss of positive and pronounced negative memory bias, which persists after remission. While theoretical accounts of depressive realism, emotional inertia, and mood-congruency substantiate the compelling evidence of weak positive memory in depression, they cannot fully explain negative memory bias in depression. We used Ecologically Momentary Assessments (EMA) of memory bias to provide insight into the accuracy and depression status-dependency of recall of previous positive and negative mood states. Currently- (n = 46), remitted- (n = 90), and never-depressed individuals (n = 55) provided positive mood and negative mood ratings (7x/day for six days), while also recalling their recent (i.e., previous prompt; 3x/day) or distal (i.e., one day lag; 1x/day) mood states. Currently depressed individuals displayed most accuracy and hence least bias in recall of both positive and negative mood; with accuracy in currently and remitted depressed individuals being independent of their current mood state. Conversely, mood at the time of recall significantly related to memory accuracy among never-depressed individuals with more negative mood, resulting in a depressotypic memory bias. Results are consistent with depressive realism and mood-congruency accounts, as well as with evidence for loss of positive memory bias (but not for negative memory bias) in depression.

Rumination in dementia and its relationship with depression, anxiety, and attentional biases

Rumination (self-referential and repetitive thinking), attentional biases (AB), and impaired cognitive control are theorized as being integral factors in depression and anxiety. Yet, research examining the relationship between rumination, mood, and AB for populations with reduced cognitive control, e.g., people living with dementia (PwD), is lacking. To explore whether literature-based relationships are demonstrated in dementia, PwD (n = 64) and healthy controls (HC) (n = 75) completed an online self-report survey measuring rumination and mood (twice), and a telephone cognitive status interview (once). Rumination was measured as an emotion-regulation style, thinking style, and response to depression. We examined the test-retest reliability of PwD's (n = 50) ruminative-scale responses, ruminative-scale internal consistency, and correlations between rumination, age, cognitive ability, and mood scores. Also, nine participants (PwD = 6, HC = 3) completed an AB measure via eye-tracking. Participants fixated on a cross, naturally viewed pairs of facial images conveying sad, angry, happy, and neutral emotions, and then fixated on a dot. Exploratory analyses of emotional-face dwell-times versus rumination and mood scores were conducted. Except for the HC group's reflective response to depression measure, rumination measures were reliable, and correlation strengths between rumination and mood scores (.29 to .79) were in line with literature for both groups. For the AB measure subgroup, ruminative thinking style scores and angry-face metrics were negatively correlated. The results of this study show that literature-based relationships between rumination, depression, and anxiety are demonstrated in dementia, but the relationship between rumination and AB requires further investigation.

Association between the performance of executive function and the remission of depressive state after clinical treatment in patients with depression

BACKGROUND

Previous studies have reported that patients with depression have significant cognitive impairment. The aim of this study is to comprehensively evaluate the impairment of executive functions in patients with depression and whether the cognitive behavior performance of executive function is association with remission of depressive state after clinical treatment.

METHODS

We used cognitive-behavioral test to evaluate the performance of executive functions of 95 inpatients with depression before hospitalization and conducted two follow-up evaluations of their depression status on the 15th day of hospitalization and approximately 9 months after discharge.

RESULTS

The performance of executive function except the accuracy of inhibition control in patients with depression were significantly worse than that of healthy controls. Multivariate linear regression analysis found that the reaction time of working memory not only had a significant linear relationship with the baseline depression scores of patients with depression, but also had a significant linear relationship with the reduced depression scores after two follow-up visits.

LIMITATIONS

We only used cognitive-behavioral data as indicators to evaluate the cognitive performances of participants and only measured three components of executive function.

CONCLUSIONS

The reaction time of working memory was a stable and effective predictor of symptom relief in patients with depression after clinical treatment. These results provide initial evidence for working memory to predict the clinical prognosis of inpatients with depression prospectively, which could be further leveraged to improve intervention approaches and analyze the heterogeneity of depression.

Emotion Regulation Can Effectively Improve Decision-Making Behaviors of Individuals Who Use Methamphetamine

PURPOSE

Negative emotions can cause people to make irrational decisions, and decision-making disorders may lead individuals who use methamphetamine (meth) to relapse. Therefore, the current study was performed to investigate whether emotion regulation (ER) can improve negative emotions and thus improve decision-making behavior of individuals who use meth.

METHOD

Based on the Iowa Gambling Task, a three-factor mixed experimental design was used to examine the effects of cognitive reappraisal and expressive suppression strategies on negative emotions and decision-making behaviors of 157 individuals who use meth.

RESULTS

Cognitive reappraisal and expressive suppression were effective in reducing participants' negative emotions and improving decision-making behaviors. Specifically, two types of ER strategies were effective in improving decision-making abilities of participants with negative emotional distress, and cognitive reappraisal was more effective than expressive suppression.

CONCLUSION

Regarding cognitive reappraisal, female participants showed better decision-making behavior than males, which predicts that females who use meth might be more adept at using cognitive reappraisal. This finding suggests that mental health providers should aid substance users in managing their negative emotions and also pay attention to gender differences during the nursing process. [Journal of Psychosocial Nursing and Mental Health Services, 62(11), 27-34.].

Self-concealment is associated with brooding, but not with reflection: relationship between self-concealment and rumination among older adults

BACKGROUND

Previous research found that self-concealment was associated with rumination in younger adults. However, no study had investigated the relationship between self-concealment and rumination in older adults. Hence, this study aimed to investigate the relationship between self-concealment and the two subfactors of rumination: brooding and reflection, in older adults.

METHODS

In this study, we investigated the relationship between self-concealment and rumination in older adults. Considering that rumination has two subfactors: brooding, which reflects the more maladaptive aspects of rumination; and reflection, which reflects the more adaptive aspects of rumination, we separately investigated the relationship between self-concealment and the two subfactors of rumination.

RESULTS

We found that after controlling for other potentially relevant variables and the interrelationship between these two subfactors, self-concealment was associated with brooding, but not with reflection.

CONCLUSIONS

Self-concealment was only associated with the maladaptive aspect of rumination (i.e. brooding), and not with the adaptive aspects of rumination (i.e. reflection). These findings have important implications for enhancing the understanding of older adults' mental health, and imply that improving self-concealment could potentially mitigate the maladaptive aspects of rumination, which may offer valuable insights for guiding future psychogeriatrics interventions.

Event-related potentials of social comparisons in depression and social anxiety

Social comparison is central in human life and can be especially challenging in depression and social anxiety. We assessed event-related potentials and emotions using a social comparison task in which participants received feedback on both their own and a co-player's performance, in participants with depression and/or social anxiety (n = 63) and healthy controls (n = 72). Participants reported more negative emotions for downward (being better than the co-player [participant correct, co-player wrong]) and upward (being worse than the co-player [participant wrong, co-player correct]) comparisons versus even outcomes, with these effects being stronger in depression and social anxiety. At the Medial Frontal Negativity, both controls and depressed participants showed a more negative amplitude for upward comparison versus both the participant and co-player performing wrong. Socially anxious subjects showed the opposite effect, possibly due to greater expectations about being worse than others. The P300 decreased for downward and upward comparisons compared to even outcomes, which may relate to the higher levels of conflict of social inequality. Depressed and socially anxious subjects showed a blunted P300 increase over time in response to the task outcomes, suggesting deficits in allocating resources for the attention of incoming social information. The LPP showed increased amplitude for downward and upward comparison versus the even outcomes and no group effect. Emotional findings suggest that social comparisons are more difficult for depressed and socially anxious individuals. Event-related potentials findings may shed light on the neural substrates of these difficulties.

Frontal alpha and parietal theta asymmetries associated with color-induced emotions

This study investigates the relationship between color perception-hue, brightness, and saturation-and its emotional response-valence, arousal, and pleasure-, through subjective evaluations, as well as their association with frontal and parietal asymmetric activity patterns through electroencephalographic (EEG) recording. Using the 37 colors from the Berkeley Color Project, along with positive and negative control images, we examined the perceptual and emotional dimensions of color in 32 Mexican participants (19 women; M = 21.4 years, SD = 3.3). Subjective evaluations revealed a strong positive correlation between valence and brightness, and between arousal and saturation. Brighter, arousing, and pleasant colors were associated with greater cortical activation (decreased alpha power) in the left dorsolateral prefrontal region-i.e., F3 electrode-, indicating positive emotional processing according to the frontal alpha asymmetry model. Additionally, increased theta power in the right lateral parietal region-i.e., P4 electrode-correlated with higher positive emotional and pleasurable responses. Our findings are in line with studies suggesting universal consistencies in how perceptual color dimensions relate to emotional responses. Moreover, significant correlations between subjective emotional responses and asymmetrical EEG activity models are highlighted, providing insights into the neural mechanisms of color-induced emotion perception, as no other study has done before to our knowledge. Further research should explore these associations using higher spatial resolution imaging techniques and larger electrode arrays to define precise cortical and subcortical regions involved. These results contribute to understanding color perception's impact on emotions, with potential applications in mental health treatments, such as chromotherapy for mood disorders.

Current oral contraceptive use affects explicit and implicit measures of depression in women

Some data suggest that increased depressive symptoms may occur in women using combined oral contraceptives (OCs). However, this idea is controversial and the existing evidence is conflicting. The present study compared negative affect in 53 healthy women (M age = 19.9 years) during intervals of active daily OC hormone intake and during the washout week of the contraceptive cycle when no exogenous estrogens or progestins are used. A prospective counterbalanced repeated-measures study design was employed. Depressive affect was evaluated using standard psychometric tests of explicit (self-perceived) and implicit negative affect. Implicit measures are considered less subject to bias related to social expectations, self-awareness, or willingness to disclose. Other than their usual OCs, participants were medication-free and had been using OCs for a median of 12 mo. We found that measures of implicit affect (e.g., Affect Misattribution Procedure, Emotional Stroop Test) displayed a more depressive-like pattern of performance during active hormone intake, particularly among a subgroup of OC users who reported experiencing high levels of depressive affect more generally. In contrast, participants' self-perceptions suggested that they perceived their negative symptoms to be greater during the 'off' phase of the OC cycle, when OC steroids are withdrawn and menses occurs. The present findings reinforce the possibility of depressive mood effects associated with OC usage, and highlight the utility of including implicit measures, but also illustrate the complexity of mood assessment in OC users.

Association of handgrip strength asymmetry and weakness with depression among middle-aged and older population in China: A cohort study

BACKGROUND

Handgrip strength (HGS) weakness and asymmetry were recently reported to be associated with age-related health conditions. However, little is known about their combined effects on depression. We aimed to explore the joint association of HGS asymmetry and weakness with depressive symptoms in Chinese middle and older aged population.

METHODS

8700 participants aged ≥45 years were enrolled from China Health and Retirement Longitudinal Study (2015-2018). HGS weakness was determined as maximal HGS < 28 kg in males and <18 kg in females. HGS asymmetry was measured by HGS ratio and was defined using two different rules. Specifically, HGS ratio < 0.90 or >1.10 (10 % rule) and <0.80 or >1.20 (20 % rule) were considered as asymmetry. Participants were classified into four groups: normal and symmetric HGS, asymmetry only, weakness only, and both weakness and asymmetry. Depressive symptoms were assessed by the 10-item Center for Epidemiologic Studies Depression Scale, with scores ≥12 defined as depression. The logistic regression and multiple linear regression models were conducted to estimate the associations between HGS status and depressive symptoms.

RESULTS

The three-year incidence of depression was 19.2 %. After adjusting for covariates, compared to normal and symmetric HGS, participants with both HGS asymmetry and weakness showed the greatest risk of incident depression (10 % rule: OR 1.55, 95 % CI 1.19-2.02; 20 % rule: OR 1.71, 95 % CI 1.16-2.50). The coexistence of asymmetry and weakness was related to a significant increase in depression score (10 % rule: β 0.96, 95 % CI 0.38-1.54; 20 % rule: β 0.94, 95 % CI 0.08-1.81). The complete case analysis supported the results, and the associations were not modified by age, sex, and hand dominance.

LIMITATIONS

Depressive assessment was based on self-reported screening instrument.

CONCLUSIONS

The presence of both HGS asymmetry and weakness was associated with a higher risk of depression. Examining HGS asymmetry along with weakness may aid in identifying individuals at risk of depression to enable early interventions.

Maternal depressive symptoms and child language development: Exploring potential pathways through observed and self-reported mother-child verbal interactions

Maternal depressive symptoms (MDS) in the postnatal period may impact children's later development through poorer quality parent-child interactions. The current study tested a specific pathway from MDS (child age 9 months) to child receptive vocabulary (4 ½ years) through both self-reported and observed parent-child verbal interactions (at both 2 and 4 ½ years). Participants (n = 4,432) were part of a large, diverse, contemporary pre-birth national cohort study: Growing Up in New Zealand. Results indicated a direct association between greater MDS at 9 months and poorer receptive vocabulary at age 4 ½ years. There was support for an indirect pathway through self-reported parent-child verbal interactions at 2 years and through observed parent-child verbal interactions at 4 ½ years. A moderated mediation effect was also found: the indirect effect of MDS on child vocabulary through observed verbal interaction was supported for families living in areas of greater socioeconomic deprivation. Overall, findings support the potential role of parent-child verbal interactions as a mechanism for the influence of MDS on later child language development. This pathway may be particularly important for families experiencing socioeconomic adversity, suggesting that effective and appropriate supportive parenting interventions be preferentially targeted to reduce inequities in child language outcomes.

Cognitive difficulties following adversity are not related to mental health: Findings from the ABCD study

Early life adversity is associated with differences in cognition and mental health that can impact on daily functioning. This study uses a hybrid machine-learning approach that combines random forest classification with hierarchical clustering to clarify whether there are cognitive differences between individuals who have experienced moderate-to-severe adversity relative to those have not experienced adversity, to explore whether different forms of adversity are associated with distinct cognitive alterations and whether these such alterations are related to mental health using data from the ABCD study (n = 5,955). Cognitive measures spanning language, reasoning, memory, risk-taking, affective control, and reward processing predicted whether a child had a history of adversity with reasonable accuracy (67%), and with good specificity and sensitivity (>70%). Two subgroups were identified within the adversity group and two within the no-adversity group that were distinguished by cognitive ability (low vs high). There was no evidence for specific associations between the type of adverse exposure and cognitive profile. Worse cognition predicted lower levels of mental health in unexposed children. However, while children who experience adversity had elevated mental health difficulties, their mental health did not differ as a function of cognitive ability, thus providing novel insight into the heterogeneity of psychiatric risk.

Shifting away from negative inferences affects rumination and mood

In three studies, we examined the effect of shifting from a negative to a positive inference for a negative personal event, on mood, state rumination, and next-day inferences, and assessed whether trait brooding moderates these effects. Participants described a personal event and made two inferences for it. Studies 1 and 2 showed that instructing participants to shift from a negative to a positive inference, improved mood and decreased state rumination, compared to a no-shift condition. Lasting effects of this shift were observed on the next day, but not among high brooders. In Study 3, trait brooding was associated with less shifting from a negative to a positive inference, when participants were free to make any inference following a negative one. These findings highlight the benefits of shifting from negative to positive inferences for mood and state rumination. We also discuss the potential of shifting for brooders, who do not shift spontaneously but can do so with guidance, offering a potential intervention to enhance emotion regulation.

Episodic future thinking and psychopathology: A focus on depression and suicide risk

Episodic future thinking (EFT), the ability to imagine future autobiographical events, is both an everyday and clinically significant cognitive process. With a focus on depression and suicidality, here we discuss evidence connecting EFT with psychopathology. Emotional valence of imagined future events has emerged as the most widely established feature of EFT detected to date, with less positive EFT being associated with depressive symptoms and suicidal thoughts and behaviors. This pattern may not be merely a byproduct of sadness or anhedonia. Promising directions for future research include clarifying the temporal association between EFT and clinical outcomes, investigating the potential benefits and drawbacks of positive EFT, and refining assessments for youth to measure EFT either preceding or soon after onset of psychopathology.

Suicidal behaviors among refugee women in Jordan: post-traumatic stress disorder, social support and post-displacement stressors

BACKGROUND

This paper examines the frequency of suicidal behaviors (suicidal ideation or attempt) among a sample of Syrian refugee women living in non-camp settings in Jordan. We asked several questions surrounding suicide and examined the associations between post-traumatic stress disorder (PTSD), social connectedness, post-displacement stressors and suicidal behaviors.

METHODS

Participants (n = 507) were recruited using a clinic-based systematic sampling from four health clinics throughout Jordan in 2018. We used a multivariable logistic regression to examine the hypothesis of whether positive screening for PTSD (PCL-5), social isolation (have no friends or family members available to help), and greater number of post-displacement stressors (PMLD Checklist) is associated with suicidal behaviors.

RESULTS

Approximately one-tenth (9.86%) of participants surveyed reported suicidal behaviors (suicidal ideation or attempt) in the past six months. Our hypothesis was partially supported. In the adjusted multivariable analyses, screening positive for PTSD [OR:4.02 (95% CI:1.33, 12.15)] increased odds of suicidal behaviors, while having one friend or family member available to help when in need [OR:0.31 (95% CI:0.13, 0.78)] decreased odds of suicidal behaviors. We did not find any associations between the number of post-displacement stressors and suicidal behaviors in the multivariable model.

CONCLUSION

Agencies and practitioners addressing suicidal behaviors among Syrian refugee women should provide interventions that aim to reduce PTSD symptoms and social isolation. Potential intervention includes screening for mental health symptoms and suicidal behaviors during routine visits with service providers, as well as providing proper mental health and psychosocial support services according to the mapping of available services.

Pupillary Responses to Dynamic Negative Versus Positive Facial Expressions of Emotion in Children and Parents: Links to Depression and Anxiety

Witnessing emotional expressions in others triggers physiological arousal in humans. The current study focused on pupil responses to emotional expressions in a community sample as a physiological index of arousal and attention. We explored the associations between parents' and offspring's responses to dynamic facial expressions of emotion, as well as the links between pupil responses and anxiety/depression. Children (N = 90, MAge = 10.13, range = 7.21-12.94, 47 girls) participated in this lab study with one of their parents (47 mothers). Pupil responses were assessed in a computer task with dynamic happy, angry, fearful, and sad expressions, while participants verbally labeled the emotion displayed on the screen as quickly as possible. Parents and children reported anxiety and depression symptoms in questionnaires. Both parents and children showed stronger pupillary responses to negative versus positive expressions, and children's responses were overall stronger than those of parents. We also found links between the pupil responses of parents and children to negative, especially to angry faces. Child pupil responses were related to their own and their parents' anxiety levels and to their parents' (but not their own) depression. We conclude that child pupils are sensitive to individual differences in parents' pupils and emotional dispositions in community samples.

Are autistic traits associated with a social-emotional memory bias?

Autistic traits are associated with differential processing of emotional and social cues. By contrast little is known about the relationship of autistic traits to socio-emotional memory, though research suggests an integral relationship between episodic memory processes and psychosocial well-being. Using an experimental paradigm, we tested if autistic traits moderate the effects of negative emotion and social cues on episodic memory (i.e. memory for past events). Young adults (N = 706) with varied levels of self-reported autistic traits (24% in clinical range) encoded images stratified by emotion (negative, neutral) and social cues (social, non-social) alongside a neutral object. After 24 h, item memory for images and associative memory for objects was tested. For item memory, after controlling for anxiety, a small effect emerged whereby a memory-enhancing effect of social cues was reduced as autistic traits increased. For associative memory, memory for pairings between neutral, but not negative, images reduced as autistic traits increased. Results suggest autistic traits are associated with reduced ability to bind neutral items together in memory, potentially impeding nuanced appraisals of past experience. This bias toward more negative, less nuanced memories of past experience may represent a cognitive vulnerability to social and mental health challenges commonly associated with autistic traits and a potential intervention target.

Associations of state and chronic loneliness with interpretation bias: The role of internalizing symptoms

Loneliness is common and, while generally transient, persists in up to 22% of the population. The rising prevalence and adverse impacts of chronic loneliness highlight the need to understand its underlying mechanisms. Evolutionary models of loneliness suggest that chronically lonely individuals demonstrate negative interpretation biases towards social information. It may also be that such biases are exacerbated by momentary increases in state loneliness, or elevated anxiety or depression. Yet, little research has tested these possibilities. The current study aimed to advance understandings of loneliness by examining associations of chronic loneliness with individual differences in negative interpretation bias for social (relative to non-social) stimuli, and testing whether these associations change in the context of increased state loneliness and current levels of anxiety and depressive symptoms. These aims were explored in 591 participants who completed an interpretation bias task before and after undergoing a state loneliness induction. Participants also self-reported chronic loneliness, anxiety, and depression. Linear mixed models indicated that only state (but not chronic) loneliness was associated with more positive interpretations of non-social stimuli, with greater anxiety and depressive symptoms predicting more negative interpretations. Implications of these findings for present theoretical models of loneliness are discussed.

Unpacking affect maintenance and its association with depressive symptoms: integrating positive and negative affects

ABSTRACTDepression is associated with increased maintenance of negative affect (NA) and reduced - blunted and short-lived - maintenance of positive affect (PA). Studies have focused on factors associated with the maintenance of NA, specifically, the emotion regulation strategy of brooding and the capacity to hold negative affective experiences in working memory (WM). Despite its theoretical importance, less attention has been given to factors associated with the maintenance of PA in depression. This study aims to synthesise factors playing a role in the maintenance of both NA and PA. Specifically, we used self-reported assessment of PA and NA regulation and performance-based measures of NA and PA processing in WM to predict depressive symptoms severity. Participants (N = 219) completed the Affective Maintenance Task (AMT, Mikels et al., 2008), which provided performance-based measures of PA and NA maintenance, and filled out questionnaires assessing brooding, positive rumination and depressive severity. Brooding, positive rumination and AMT-based measures of positive (but not negative) affective information processing were independently associated with depressive symptoms. We highlight the unique contributions of PA processing, as well as of self-reported emotion regulation strategies in understanding depression maintenance.

Effects of attentional deployment training for relieving negative emotion in individuals with subthreshold depression

OBJECTIVE

As a prodromal stage to major depressive disorder (MDD), subthreshold depression (StD) has a higher prevalence in the population, resulting in a greater healthcare burden. StD individuals' current negative emotion could be moderated by attentional deployment. However, it remains unclear whether attentional deployment training can mitigate subsequent negative emotion in StD individuals.

METHODS

Based on 160 participants, we combined decision task (Experiment 1, N = 69), eye-tracking (Experiment 2, N = 40), and EEG (Experiment 3, N = 51) techniques to investigate how one-week attentional deployment (gain-focus, GF) training modulated the emotional processing of negative stimulus and its underlying neural correlates in StD individuals.

RESULTS

After one-week GF training, StD individuals significantly reduced the first fixation time and total fixation time on the negative part (missed opportunities) of decision outcome and showed a decrease in emotional sensitivity to missed opportunities. An increase in N1 and decrease in P3 and LPP (late positive potentials) amplitudes, as well as a decrease in alpha oscillation, were observed when StD individuals faced missed opportunities after training. Additionally, the extent of reduction in StD individuals' emotional sensitivity to missed opportunities could be significantly predicted by the degree of decrease in alpha oscillation.

CONCLUSION

One-week attentional deployment training could modulate negative emotion in StD individuals and the degree of change in alpha oscillation might act as an objective indicator for the effectiveness of training.

SIGNIFICANCE

Our study provides a convenient and effective approach to alleviate the negative emotion of StD individuals.

Lifetime depression and mania/hypomania risk predicted by neural markers in three independent young adult samples during working memory and emotional regulation

Objective markers of pathophysiological processes underlying lifetime depression and mania/hypomania risk can provide biologically informed targets for novel interventions to help prevent the onset of affective disorders in individuals with subsyndromal symptoms. Greater activity within and functional connectivity (FC) between the central executive network (CEN), supporting emotional regulation (ER) subcomponent processes such as working memory (WM), the default mode network (DMN), supporting self-related information processing, and the salience network (SN), is thought to interfere with cognitive functioning and predispose to depressive disorders. Using an emotional n-back paradigm designed to examine WM and ER capacity, we examined in young adults: (1) relationships among activity and FC in these networks and lifetime depression and mania/hypomania risk; (2) the extent to which these relationships were specific to lifetime depression risk versus lifetime mania/hypomania risk; (3) whether findings in a first, Discovery sample n = 101, 63 female, age = 23.85 (2.9) could be replicated in a two independent Test samples of young adults: Test sample 1: n = 90, 60 female, age = 21.7 (2.0); Test sample 2: n = 96, 65 female, age = 21.6 (2.1). The Mood Spectrum Self-Report (MOODS-SR-L) assessed lifetime mania/hypomania risk and depression risk. We showed significant clusters of activity to each contrast in similar locations in the anatomic mask in each Test sample as in the Discovery sample, and, using extracted mean BOLD signal from these clusters as IVs, we showed similar patterns of IV-DV relationships in each Test sample as in the Discovery sample. Specifically, in the Discovery sample, greater DMN activity during WM was associated with greater lifetime depression risk. This finding was specific to depression and replicated in both independent samples (all ps<0.05 qFDR). Greater CEN activity during ER was associated with increased lifetime depression risk and lifetime mania/hypomania risk in all three samples (all ps< 0.05 qFDR). These replicated findings provide promising objective, neural markers to better identify, and guide and monitor early interventions for, depression and mania/hypomania risk in young adults.

Depressive symptoms and the processing of unexpected social feedback: Differences in surprise levels, feedback acceptance, and "immunizing" cognition

Negative social expectations are a key symptom of depression. It has been suggested that individuals with depressive symptoms tend to maintain these expectations by devaluing new experiences that do not fit prior expectations. However, our understanding of the role of such "immunizing" cognition in response to unexpected social feedback in depression, as well as the cognitive mechanisms involved, remains limited. This study investigated the association between depressive symptoms and the cognitive processing of unexpected positive or negative social feedback using a novel, video-based approach featuring naturalistic social stimuli in a subclinical online sample (N = 155). We also examined how surprise levels, feedback acceptance and immunizing cognition relate to other cognitive processes, such as attributional style and rumination, using cross-sectional network analyses. Robust multiple linear regression analyses revealed that depressive symptoms were associated with higher surprise levels (R2adj. = .27), lower feedback acceptance (R2adj. = .19), and higher levels of immunizing cognition (R2adj. = .09) in response to unexpected positive social feedback, but only partially to unexpected negative social feedback. The network analysis suggested that self-efficacy expectations for coping with negative feelings and acceptance of positive social feedback had the strongest expected influence on the different cognitive processes. Our study highlights the challenges that individuals with depressive symptoms face in utilizing positive social feedback to modify negative expectations. For clinicians, our findings suggest the importance of promoting acceptance of positive social feedback, while simultaneously inhibiting immunizing cognition and avoiding the use of overly positive feedback.

Relationships between depression, anxiety, and motivation in the real-world: Effects of physical activity and screentime

Background

Mood and anxiety disorders are highly prevalent and comorbid worldwide, with variability in symptom severity that fluctuates over time. Digital phenotyping, a growing field that aims to characterize clinical, cognitive and behavioral features via personal digital devices, enables continuous quantification of symptom severity in the real world, and in real-time.

Methods

In this study, N=114 individuals with a mood or anxiety disorder (MA) or healthy controls (HC) were enrolled and completed 30-days of ecological momentary assessments (EMA) of symptom severity. Novel real-world measures of anxiety, distress and depression were developed based on the established Mood and Anxiety Symptom Questionnaire (MASQ). The full MASQ was also completed in the laboratory (in-lab). Additional EMA measures related to extrinsic and intrinsic motivation, and passive activity data were also collected over the same 30-days. Mixed-effects models adjusting for time and individual tested the association between real-world symptom severity EMA and the corresponding full MASQ sub-scores. A graph theory neural network model (DEPNA) was applied to all data to estimate symptom interactions.

Results

There was overall good adherence over 30-days (MA=69.5%, HC=71.2% completion), with no group difference (t(58)=0.874, p=0.386). Real-world measures of anxiety/distress/depression were associated with their corresponding MASQ measure within the MA group (t's > 2.33, p's < 0.024). Physical activity (steps) was negatively associated with real-world distress and depression (IRRs > 0.93, p's ≤ 0.05). Both intrinsic and extrinsic motivation were negatively associated with real-world distress/depression (IRR's > 0.82, p's < 0.001). DEPNA revealed that both extrinsic and intrinsic motivation significantly influenced other symptom severity measures to a greater extent in the MA group compared to the HC group (extrinsic/intrinsic motivation: t(46) = 2.62, p < 0.02, q FDR < 0.05, Cohen's d = 0.76; t(46) = 2.69, p < 0.01, q FDR < 0.05, Cohen's d = 0.78 respectively), and that intrinsic motivation significantly influenced steps (t(46) = 3.24, p < 0.003, q FDR < 0.05, Cohen's d = 0.94).

Conclusions

Novel real-world measures of anxiety, distress and depression significantly related to their corresponding established in-lab measures of these symptom domains in individuals with mood and anxiety disorders. Novel, exploratory measures of extrinsic and intrinsic motivation also significantly related to real-world mood and anxiety symptoms and had the greatest influencing degree on patients' overall symptom profile. This suggests that measures of cognitive constructs related to drive and activity may be useful in characterizing phenotypes in the real-world.

Task functional networks predict individual differences in the speed of emotional facial discrimination

Every individual experiences negative emotions, such as fear and anger, significantly influencing how external information is perceived and processed. With the gradual rise in brain-behavior relationship studies, analyses investigating individual differences in negative emotion processing and a more objective measure such as the response time (RT) remain unexplored. This study aims to address this gap by establishing that the individual differences in the speed of negative facial emotion discrimination can be predicted from whole-brain functional connectivity when participants were performing a face discrimination task. Employing the connectome predictive modeling (CPM) framework, we demonstrated this in the young healthy adult group from the Human Connectome Project-Young Adults (HCP-YA) dataset and the healthy group of the Boston Adolescent Neuroimaging of Depression and Anxiety (BANDA) dataset. We identified distinct network contributions in the adult and adolescent predictive models. The highest represented brain networks involved in the adult model predictions included representations from the motor, visual association, salience, and medial frontal networks. Conversely, the adolescent predictive models showed substantial contributions from the cerebellum-frontoparietal network interactions. Finally, we observed that despite the successful within-dataset prediction in healthy adults and adolescents, the predictive models failed in the cross-dataset generalization. In conclusion, our study shows that individual differences in the speed of emotional facial discrimination can be predicted in healthy adults and adolescent samples using their functional connectivity during negative facial emotion processing. Future research is needed in the derivation of more generalizable models.

Effects and neural mechanisms of different physical activity on major depressive disorder based on cerebral multimodality monitoring: a narrative review

Major depressive disorder (MDD) is currently the most common psychiatric disorder in the world. It characterized by a high incidence of disease with the symptoms like depressed mood, slowed thinking, and reduced cognitive function. Without timely intervention, there is a 20-30% risk of conversion to treatment-resistant depression (TRD) and a high burden for the patient, family and society. Numerous studies have shown that physical activity (PA) is a non-pharmacological treatment that can significantly improve the mental status of patients with MDD and has positive effects on cognitive function, sleep status, and brain plasticity. However, the physiological and psychological effects of different types of PA on individuals vary, and the dosage profile of PA in improving symptoms in patients with MDD has not been elucidated. In most current studies of MDD, PA can be categorized as continuous endurance training (ECT), explosive interval training (EIT), resistance strength training (RST), and mind-body training (MBT), and the effects on patients' depressive symptoms, cognitive function, and sleep varied. Therefore, the present study was based on a narrative review and included a large number of existing studies to investigate the characteristics and differences in the effects of different PA interventions on MDD. The study also investigated the characteristics and differences of different PA interventions in MDD, and explained the neural mechanisms through the results of multimodal brain function monitoring, including the intracranial environment and brain structure. It aims to provide exercise prescription and theoretical reference for future research in neuroscience and clinical intervention in MDD.

Evidence that specific personal relationships help regulate depressive symptoms and related constructs among people with probable major depressive disorder

INTRODUCTION

Relational regulation theory describes how social network members (providers of regulation) help people (recipients of regulation) regulate their effect, actions and thoughts through mostly ordinary social interaction. Regulation is relational when the ability of a provider to regulate a recipient is an emergent property of the dyad and not a stable property of the provider or recipient. Research in predominantly well samples has found that dyads evoked affect and self-relevant thought in recipients. The present research examined whether such effects occurred among people with probable major depressive disorder (MDD).

METHODS

A national, internet sample of 2058 US residents was screened for probable MDD. Depressed recipients (N = 152) rated their experience of depression-related constructs when with or thinking about specific providers.

RESULTS

Recipients' reports of affect and thought varied strongly depending on the dyad they were with or thinking about. These effects occurred for depressive symptoms, positive and negative affect, self-esteem, negative automatic thoughts, hopelessness, excessive reassurance-seeking, reappraisal and emotion suppression. Dyads that evoked depression-related experiences were seen by participants as unsupportive and as evoking conflict.

CONCLUSION

Relational regulation appears to occur among people with MDD which provides new insights about interpersonal processes in depression.

A virtuous cycle between meaning in daily life and state mindfulness as well as the unique role of depression among young adults: A diary study

The positive association between meaning in life (MIL) and mindfulness has been supported; however, previous research has been limited to the trait level. To explore the dynamics of mindfulness and MIL in the state level, the present study used the experience sampling method (ESM) and conducted a dynamic structural equation model (DSEM). In addition, we examined the moderation of baseline depression in this dynamic relationship and the protective role of the dynamics on depression. We recruited 184 college students (Mage = 21.58, 33.15% male), who reported three times a day for 14 consecutive days, and analyzed the 7726 collected responses. Firstly, a virtuous cycle between mindfulness and MIL was proven. Besides, the baseline depressive symptoms moderated the predictive of mindfulness on MIL, suggesting state mindfulness gave people with more depressive symptoms more meaningful in daily life. Lastly, the result also demonstrated the positive prediction of mindfulness on MIL and alleviated the worsening of depressive symptoms within 2 weeks. The findings extended the relationship between MIL and mindfulness from trait level to state level, enriching the self-determination theory, and examined the unique effect of depressive symptoms in the dynamics.