Daniel Schleicher

Measuring proactive-instrumental aggression in adolescents and young adults—development and preliminary validity evidence for the Degree-of-Quiz-Difficulty Paradigm

Daniel Schleicher, Constanze Käss, Irina Jarvers, Angelika Ecker et autres

Introduction: Aggression can be distinguished into reactive and proactive forms, which differ in their motivational and emotional characteristics. While reactive aggression is typically triggered by provocation and accompanied by heightened emotional arousal, proactive aggression is goal-directed, instrumentally motivated, and characterized by greater …

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Cortisol, oxytocin, and fronto-limbic connectivity responses to acute psychosocial stress in adolescent depression with and without comorbid anxiety

Rolf G. Jacob, Irina Jarvers, Alexandra Otto, Stephanie Kandsperger et autres

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Post-traumatic stress following social media war violence: role of empathy and emotional awareness in youth

Daniel Schleicher, Irina Jarvers, Angelika Ecker, Stephanie Kandsperger et autres

This study investigated associations between exposure to warrelated violent content on social media and indirect, mediarelated post-traumatic stress symptoms (PTSS) in a nationally representative sample of adolescents and young adults in Germany (N= 1860; Mage = 18.6 years). Participants completed an online …

Post-traumatic stress following social media war violence: role of empathy and emotional awareness in youth

Daniel Schleicher, Irina Jarvers, Angelika Ecker, Stephanie Kandsperger et autres

Summary This study investigated associations between exposure to war-related violent content on social media and indirect, media-related post-traumatic stress symptoms (PTSS) in a nationally representative sample of adolescents and young adults in Germany ( N = 1860; M age = 18.6 years). …

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Relationship of oxytocin and cortisol response to psychosocial stress in children and adolescents with anxiety disorders

Leonie Goetz, Irina Jarvers, Daniel Schleicher, Angelika Ecker et autres

Anxiety disorders are the most common psychiatric disorders in childhood and represent a high risk for adult mental disorders. The neurocircuitries of anxiety are known to interact with the neurocircuitry of stress. The neuropeptide oxytocin is known for its anxiolytic and antistress …

Relationship of oxytocin and cortisol response to psychosocial stress in children and adolescents with anxiety disorders

Leonie Goetz, Irina Jarvers, Daniel Schleicher, Angelika Ecker et autres

Anxiety disorders are the most common psychiatric disorders in childhood and represent a high risk for adult mental disorders. The neurocircuitries of anxiety are known to interact with the neurocircuitry of stress. The neuropeptide oxytocin is known for its anxiolytic and antistress …

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The influence of psychosocial stress on functional connectivity and neuroendocrine markers in adolescents with depressive and comorbid anxiety disorders: a study protocol

Rolf G. Jacob, Alexandra Otto, Irina Jarvers, Stephanie Kandsperger et autres

BACKGROUND: Psychosocial stress is a major risk factor for adolescent depression and anxiety, impacting neurodevelopment through hypothalamic-pituitary-adrenal axis and oxytocinergic system dysregulation. Stress-related alterations in fronto-limbic resting-state functional connectivity (rsFC) have been linked to depression and anxiety disorders, yet the role of …

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Emotional blind spots and dark minds: how alexithymia and mindfulness shape the link between Dark Triad personality traits and psychopathology

Angelika Ecker, David Preece, Daniel Schleicher, Stephanie Kandsperger et autres

Introduction Dark Triad traits (narcissism, Machiavellianism, psychopathy) are linked to increased psychological distress, including depression, anxiety, and stress. While the underlying mechanisms remain unclear, alexithymia has emerged as a potential risk factor, and mindfulness as a possible resilience factor. This study explores …

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The Relationship Between Precuneus Thickness and Psychopathology in Adolescent Females With Anorexia Nervosa

Irina Jarvers, Raphael Degmayr, Alexandra Otto, Wilhelm M. Malloni et autres

OBJECTIVE: Anorexia nervosa (AN) is a severe psychiatric disorder with structural brain alterations; however, the roles of cortical surface area (CSA) and cortical thickness (CTh) during adolescence remain unclear. Building on frequent reports of gray matter reductions in the cingulate cortex and …

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Characterisation of a university student sample with a lifetime history of non-suicidal self-injury: mixed-methods analysis of stress factors, coping mechanisms and reasons for self-injury

Elena von Perponcher, Irina Jarvers, Angelika Ecker, Elisa Heidingsfelder et autres

Background Non-suicidal self-injury (NSSI) displays an alarmingly high prevalence rate among university students, placing them at high risk for adverse long-term outcomes, including suicide. Aims This study aimed to achieve a better understanding of factors contributing to NSSI in university student populations …

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Dark Triad traits, alexithymia, and emotion regulation as predictors of depression, anxiety, and stress in clinical and non-clinical samples

Leah Hornstein, Daniel Schleicher, Angelika Ecker, Stephanie Kandsperger et autres

Introduction Emotion regulation and personality traits critically influence mental health. Dark Triad characteristics—Machiavellianism, psychopathy, and narcissism—are linked to distress and maladaptive coping, yet their specific associations with depression, anxiety, and stress remain unclear. This study examined how Dark Triad traits, alexithymia facets, …

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Temperament and personality: preliminary evidence of possible relationships with multifactorial stress reactivity in healthy adolescents

Angelika Ecker, Irina Jarvers, Stephanie Kandsperger, Romuald M. Brunner et autres

Objective: It is hypothesized that personality and temperament influence the stress response. However, no study has thoroughly investigated the impact of these factors during adolescence, a critical stage of development and consolidation. In this study, we aimed to explore this relationship, both …

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