Sabine Schönfeld

The Perseverative Thinking Questionnaire (PTQ): Validation of a content-independent measure of repetitive negative thinking

Thomas Ehring, Ulrike Zetsche, Kathrin Weidacker et al. · Journal of Behavior Therapy and Experimental Psychiatry · 2010 · 882 citations · Full text

Hair Cortisol as a Biomarker of Traumatization in Healthy Individuals and Posttraumatic Stress Disorder Patients

Susann Steudte, Clemens Kirschbaum, Wei Gao et al. · Biological Psychiatry · 2013 · 187 citations

Psychological Co-morbidities, Psychoneuroimmunology, Healthy Individuals +12

Is repetitive negative thinking a transdiagnostic process? A comparison of key processes of RNT in depression, generalized anxiety disorder, obsessive-compulsive disorder, and community controls

Karina Wahl, Thomas Ehring, Hanna Kley et al. · Journal of Behavior Therapy and Experimental Psychiatry · 2019 · 142 citations

Community Controls, Key Processes, Transdiagnostic Process +10

Hair cortisol concentrations and cortisol stress reactivity predict PTSD symptom increase after trauma exposure during military deployment

Susann Steudte‐Schmiedgen, Tobias Stalder, Sabine Schönfeld et al. · Psychoneuroendocrinology · 2015 · 132 citations

Psychoneuroimmunology, Trauma Exposure, Hair Cortisol Concentrations +9

Posttraumatic stress disorder: diagnostic and epidemiological perspectives.

Hans‐Ulrich Wïttchen, Andrew T. Gloster, Katja Beesdo‐Baum et al. · PubMed · 2009 · 90 citations

Mental Disorders, Classification System, Psychological Co-morbidities +14