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At least 19 recordsLinked to original sources
PubMed2026

Effectiveness of transcranial direct current stimulation with and without positive mood induction on worry and transdiagnostic cognitive-emotional processes: A randomized controlled trial.

The present study investigated the effectiveness of transcranial direct current stimulation (tDCS), with and without positive mood induction, on worry and key transdiagnostic cognitive-emotional processes, including attentional bias, working memory, problem solving, and emotion regulation, in individuals with high levels of worry. This single-blind randomized controlled trial included 45 individuals with high levels of worry. After a structured clinical interview, participants were randomly assigned, with gender balancing, to one of three groups: (1) tDCS alone, (2) tDCS combined with positive mood induction, or (3) a sham control group. Outcome measures were administered at three time points (pretest, posttest, and one-month follow-up) and assessed attentional bias (Dot Probe Task), working memory (1-back task), problem solving (Tower of London task), emotion regulation (Gross's Emotion Regulation Questionnaire), and worry severity (Penn State Worry Questionnaire; PSWQ). Repeated-measures ANOVA showed that both active groups (tDCS alone and tDCS + positive mood induction) significantly improved attentional bias, worry, working memory, problem solving, and emotion regulation compared to controls (p < 0.05). The combined intervention produced significantly greater gains than tDCS alone in working memory, problem solving, emotion regulation (p < 0.05), and reductions in attentional bias and worry (p < 0.001). All effects persisted at one-month follow-up (p < 0.05). tDCS reduces worry and attentional bias and enhances cognition and emotion regulation in individuals with high levels of worry. The combined intervention produced larger and more sustained improvements than tDCS alone across the assessed behavioral outcomes. These findings support further investigation of combining tDCS with structured positive mood induction while the mechanisms underlying the additional benefits remain to be established.

Humans↗
PubMed2026

Game-Based Intervention for Bullying: Assessing the Efficacy of the REThink Therapeutic Game in Primary School Children.

Children's mental health issues can have a lasting effect into adulthood, including enhanced risks for their social and emotional development, as well as their academic performance and overall behavior. Worldwide nearly 1 billion children are affected by the bullying phenomenon, with social, emotional, and economic consequences. In this vein, our study aimed to analyze the effect of the therapeutic game REThink on the improvement of emotion regulation abilities and the reduction of both bullying behavior and victimization in primary school children. Our sample consisted of 75 children who were voluntarily enrolled by their parents, and randomly assigned to the intervention group (n&#x2009;=&#x2009;38) or to the control group (n&#x2009;=&#x2009;37). They completed the baseline assessment consisting of emotion regulation, irrationality, bullying and victimization behavior measurements, then the children from the intervention group played the therapeutic game REThink. Four&#x2009;weeks later, after completing each level twice, every participant had completed the same questionnaires at the post-test assessment. The results indicated significant changes across victimization for children who were exposed to verbal, physical or social bullying, increased emotional control and lower levels of irrationality, low frustration tolerance to work and demandingness, with small to medium effect size improvements for the REThink game group compared to the control group. The REThink therapeutic game proved to be a promising intervention tool for reducing victimization effects and irrationality, and improving emotion regulation abilities in primary school children. Future research could improve on these results by addressing the timeline stability limit.

Humans↗
PubMed2025

The mediating role of protective factors in relationship between caregiving components and psychosocial adjustment among young carers: a meta-analysis.

OBJECTIVE: Higher youth caregiving is associated with poorer psychosocial outcomes in young carers; hence a research priority is to investigate protective factors that mitigate the adverse effects of youth caregiving. This systematic review with meta-analysis examined the relationships among youth caregiving components and young carer psychosocial adjustment and protective factors, as well as the mediating role of the protective factors in the relationship between caregiving components and psychosocial adjustment. METHODS: Three electronic databases were searched until April 2024 and 10,244 unique publications were identified. Following abstract and title screening, 422 publications were subjected to full-text screening and 60 quantitative studies were included in this study. RESULTS: Meta-analytic structural equation modeling (MASEM) results revealed positive direct effects of caregiving responsibilities and caregiving experiences on benefit finding (&#x3b2;&#xa0;=&#xa0;.43, 95% CI [.074, .782], p&#xa0;<&#xa0;.05) and emotion regulation (&#x3b2;&#xa0;=&#xa0;.72, 95% CI [.44, 1.00], p&#xa0;<&#xa0;.001), respectively. However, there was neither a significant direct effect of caregiving components on psychosocial adjustment nor a significant indirect effect of caregiving components on psychosocial adjustment through benefit finding or emotion regulation. CONCLUSION: Findings revealed a need for research into how caregiving contextual factors affect relations among youth caregiving, protective factors, and adjustment.

Humans↗
PubMed2026

Does Timing Matter? Age of First Mobile Phone Acquisition and Psychological Outcomes in Middle and Late Adolescence.

The age at which adolescents acquire their first smartphone has decreased markedly in recent years; however, evidence on its long-term effects on psychosocial adjustment remains limited. This study investigated whether age at first mobile phone acquisition is associated with psychosocial functioning in middle and late adolescence, including social integration and competence, emotion regulation difficulties, disordered eating behaviors and problematic social media use (PSMU). The sample comprised 1179 adolescents aged 15-17 years (53.8% female). Linear regression and generalized additive mixed models were used to examine both linear and nonlinear associations, adjusting for age, gender and school clustering. Earlier smartphone acquisition was linearly but weakly associated with greater emotion regulation difficulties, disordered eating and PSMU, even after adjustment for covariates. In contrast, associations with social integration and competence were nonlinear: acquiring a first smartphone between ages 6 and 10 or after age 13 was associated with lower social integration in adolescence, whereas acquisition between ages 11 and 13 was linked to higher social functioning. These findings suggest that the developmental timing of first smartphone access shows a modest association with subsequent psychosocial functioning during middle and late adolescence. Focusing on the timing of access, alongside other demographic and contextual factors, may contribute to a better understanding of digital influences on adolescent well-being.

Humans↗
PubMedDate not supplied

[Participation of the serotoninergic system of the brain in regulation of emotional reactivity].

Vocalization and aggressiveness reactions were evoked in experiments on male Wistar rats by means of electric shock stimulation. The influence of serotonin- and dopaminergic drugs was studied in parallel on emotional reactivity and serotonin metabolism. It has been found that l-tryptophane depresses while l-Dopa intensifies emotional reactivity and aggressiveness, the latter lowering the level of endogenous serotonin and enhancing its catabolism. L-Dopa, dl-amphetamine, alpha-methyl-Dopa, parachlorophenylalanine and serotonino-blockators--deseryl and lysergide--eliminate the tranquilizing action of tryptophane on emotional reactivity, decreasing serotonin accumulation and intensifying the formation of 5-oxyindolacetic acid.

Aggression↗
PubMed2026

ADCY2 promoter hypomethylation in adolescents with borderline personality disorder: An RRBS study with targeted BSP replication.

BACKGROUND: Borderline Personality Disorder (BPD) is characterized by emotional dysregulation, impulsivity, and interpersonal instability. Although genetic and environmental contributions to BPD have been investigated, epigenetic correlates in adolescents remain poorly understood. The cyclic adenosine monophosphate (cAMP) signaling pathway is implicated in stress responsivity and emotion regulation, but its epigenetic variation in adolescent BPD remains understudied. METHODS: DNA methylation profiling was performed using Reduced Representation Bisulfite Sequencing (RRBS) in buccal epithelial DNA from adolescents with BPD (n = 15) and healthy controls (HC; n = 15). Differentially methylated regions (DMRs) were identified using metilene, a computational tool for detecting DMRs from bisulfite sequencing data, and subjected to Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses. Associations between methylation signals and borderline personality features were examined. Adenylate cyclase 2 (ADCY2) promoter methylation was examined using targeted bisulfite sequencing PCR (BSP) in an independent cohort (BPD n = 5; HC n = 5). RESULTS: RRBS identified 7641 DMRs between BPD and HC, with enrichment in pathways related to neuronal signaling and synaptic organization. A hypomethylated DMR was detected in the ADCY2 promoter, a gene implicated in cAMP signaling. Lower ADCY2 promoter methylation was associated with greater clinical severity, including emotional dysregulation, borderline traits, anxiety symptoms, and self-injury behaviors (r=-0.71 to -0.83; all p < 0.0001). Hypomethylation of the ADCY2 promoter was replicated in the independent cohort. CONCLUSIONS: This exploratory two-stage epigenetic study suggests that ADCY2 promoter hypomethylation in peripheral buccal epithelial DNA is associated with core symptom dimensions of adolescent BPD. These findings support a role for cAMP-related epigenetic variation in BPD and warrant replication in longitudinal studies.

ADCY2↗
PubMed2025

Mediators of Change in Cognitive Behavioral and Mindfulness-Based Online-Interventions for Hypoactive Sexual Desire Dysfunction in Women.

Low sexual desire is a common sexual problem among women. When it is accompanied by significant personal distress, it may be diagnosed as hypoactive sexual desire dysfunction (HSDD). Both cognitive behavioral therapy (CBT) and mindfulness-based therapy (MBT) are effective treatments for HSDD when delivered in person or online. In this randomized controlled treatment study, CBT and MBT consisted of eight guided self-help modules delivered online, and participants completed measures at pretreatment and after 3, 6, and 12&#x2009;months. Nine variables were examined as potential mediators of treatment outcomes (i.e., sexual desire and sexual distress), namely mindfulness, self-compassion, rumination, body connection, self-consciousness, relationship satisfaction, sexual communication, depression, and anxiety. In total, 212 women diagnosed with HSDD were randomized to either CBT or MBT (Mage&#x2009;=&#x2009;36.3, SD&#x2009;=&#x2009;10.2). Improvements in self-compassion, rumination, body connection, and self-consciousness partially mediated treatment outcomes in at least one of the treatment groups. Mediation effects were mostly small, explaining up to 15% of the total effects. No systematic differences in mediation pathways between CBT and MBT were found. These findings emphasize the importance of emotion regulation, metacognitive processes, and embodiment for the effective treatment of HSDD. Future research should refine treatment components to enhance efficacy and ensure that psychological interventions adequately address common concerns among women with HSDD.

Humans↗
PubMed1992

[Pain and stress: biological protection].

The biological methods of animal organism protection, the role of stress and the nociceptive signals, the hierarchy of defence mechanism--from the autonomic reflexes, neuroendocrine regulations, emotional reactions and expressions up to peculiar to the human being intellectual safeguard have been considered. The latest data on the role of tachykinins in transmission have been examined. The discovery of mediator function of "substance P" (SP), other related peptides, which coexists and realizes from the primary afferents and other terminals of SP-containing, capsaicin-sensitive neurons--opened a new chapter in the neurobiology and medicine. The necessity to support the medico-biological (fundamental) experiments by the modern society is grounded.

Adrenal Glands↗
PubMed1979

[Brain catecholamines at the early stage of emotional stress].

The blood pressure (BP) dynamics and catecholamine (CA) levels in the brain regions of August and Wistar rats were studied two hours after immobilization in order to elucidate the central neurochemical mechanisms leading to the destruction of BR self-regulation under emotional stress during the experiment. The BP level did not differ from the normal. The CA concentration in the hypothalamus, midbrain, isthmus rhombencephali and medulla oblongata underwent considerable changes. It is suggested that the mechanism of the CA changes in both strains of the rats exposed to stress is similar in the hypothalamus and medulla oblongata while both strains of the rats studied showed specificity in the activity of NA-synthesizing neurons of the isthmus rhombencephali and DA-synthesizing neurons of the midbrain that might be a cause of different resistance of cardiovascular functions during the later stage of immobilization.

Animals↗
PubMed1976

Neurobiology of piperidine: its relevance to CNS function.

Piperidine is a normal constituent in mammalian brain, affects synaptic mechanism in the CNS, and influences neural mechanisms governing regulation of emotional behavior, sleeping, and extrapyramidal function. In addition, there are enzyme systems within the brain that synthesize and metabolize piperidine, and uptake and storage mechanisms for piperidine are found in the nerve endings. In conclusions, piperidine seems to be intimately connected with the neuronal function of the brain.

Animals↗
PubMed1977

[Participation of the amygdaloid complex in the regulation of insulin and corticoid secretion in emotional stress].

The emotional stress induced in dogs by means of electrodermal stimulation, lowered the blood insulin and increased the corticoids and sugar contents. Bilateral amygdalectomy eliminated the inhibitory effect of the electrodermal stimulation on the insular apparatus and caused a lesser albeit prolonged increase in the blood corticoid content. The blood sugar under these conditions was also somewhat increased. Different effects of separate amygdaloid nuclei on insulin secretion were revealed in acute experiments. The inhibitory effect of amygdaloid nuclei is realised through ventromedial hypothalamic nucleus

Adrenal Cortex Hormones↗
PubMed1977

[Disorders in the adrenergic innervation of the stomachs of rats with stable regulation of cardiovascular function in the presence of emotional stress].

Changes of arterial pressure and of the frequency of cardiac contractions were analyzed in Wistar rats under acute immobilization stress; stability of the cardiovascular functions under emotional stress was revealed. An increased sensitivity of the adrenergic component of the sympathetic and parasympathetic innervation of the stomach that caused the development of its dystrophic processes was observed. Emotional stress proved to be accompanied by phasic dynamics of disorders in the adrenergic innervation: mobilization in the adrenergic innervation was followed by its exhaustion.

Adrenergic Fibers↗
PubMed1976

[The significance of stress intensity for the emotional and visceral reactivity, especially for blood pressure regulation].

The influence of light, medium, and heavy chronic stress upon cerebro-visceral functions following 3 and 5 weeks of daily stress exposure was examined. The following results were obtained: Light stress produced no changes of cerebro-visceral functions. Medium stress restricted the learning and memory capacity, increased systolic blood pressure, fasting blood sugar and adrenal weights. The B-cells of the pancreatic islets showed degranulations of varying intensity. Heavy stress diminished the learning and memory capacity, increased adrenal weights and led to hypergranulation of the pancreatic B-cells. Blood sugar and blood pressure values fall within physiological limits. Load tests, however, revealed in these animals symptoms of premorbid states. Since throughout the period of observation, light stress stablized the regulation processes, medium stress induced early stages of pathological processes, and heavy stress caused premorbid states, no linearity could be established between the load intensity and the changes of cerebro-visceral functions.

Adrenal Glands↗