• 2023 PhD (Dr. phil) in Clinical Psychology at Freie Universität Berlin
  • Dissertation: The influence of the menstrual cycle on depressive symptoms and stress.

• 2018 Master of Science in Clinical Psychology and Health Psychology at Freie Universität Berlin

  • Master thesis: Menstrual cycle-related differences in oxytocin concentrations: A systematic review and meta-analysis

• 2015 Bachelor of Science in Psychology at Freie Universität Berlin

  • Bachelor thesis: Aus dem Nest – Auszug aus dem Elternhaus und Einsamkeit im jungen Erwachsenenalter

Career

Since 2023: Post-Doc
Freie Universität Berlin - Department of Clinical Psychological Intervention

Since 2022: Clinical therapist in Training
DGVT (German association for cognitive therapy)

2018 - 2023: Doctoral candidate & scientific employee
Freie Universität Berlin - Department of Clinical Psychological Intervention

2016 - 2018 Student Assistant
Freie Universität Berlin - Department of Clinical Psychological Intervention

2015 - 2018 Student Assistant
Freie Universität Berlin - Department of Psychological Diagnostics, Differential and Personality Psychology

Study abroad

2021: Research stay at University of North Caroline, USA
2014: Semester abroad at Trinity College Dublin, Ireland

Scholarships

2018 – 2023 Doctoral scholarship from the Stiftung der Deutschen Wirtschaft (German Business Foundation)
2018: Marie-Schlei-Preis for scientifically outstanding work by women and in the field of women's and gender studies

Information on Dr. Klusmann's research can be found here.

Peer-reviewed articles

2024

Haering, S., Schulze, L., Geiling, A., Meyer, C., Klusmann, H., Schumacher, S., Knaevelsrud, C., Engel, S. (in press). Higher risk – less data: A systematic review and meta-analysis on the role of sex and gender in trauma research. Journal of Psychopathology and Clinical Science.

Klusmann, H., Kapp, C., Engel, S., Schumacher, T., Bücklein, E., Knaevelsrud, C. & Schumacher, S. (2024). Higher Depressive Symptoms in Irregular Menstrual Cycles: Converging Evidence from Cross-Sectional and Prospective Assessments. Psychopathology, 1–8. https://doi.org/10.1159/000535565

Ricke, A.,* Klusmann, H.,* Heinrich, M., Haering, S., Blecker, M. K., Knaevelsrud, C.^# & Schumacher, S.^# (2024). Taube Menschen in Deutschland: Mental Health Literacy und Einschätzung der Angebote des psychiatrisch-psychotherapeutischen Versorgungssystem – eine Online Studie. [Deaf people in Germany: mental health literacy and perception of mental health services - an online study.] Verhaltenstherapie, 34(1), 11–21. https://doi.org/10.1159/000535009 *Shared first authorship, ^#Shared last authorship

2023

Andersen, E., Klusmann, H., Eisenlohr-Moul, T., Baresich, K., & Girdler, S. (2024, First Published online 6 March 2023). Life stress influences the relationship between sex hormone fluctuation and affective symptoms in peripubertal female adolescents. Development and Psychopathology, 36(2), 821-833. https://doi.org/10.1017/S095457942300010X

Engel, S., Laufer, S., Klusmann, H., Schulze, L., Schumacher, S., & Knaevelsrud, C. (2023). Cortisol response to traumatic stress to predict PTSD symptom development – a systematic review and meta-analysis of experimental studies. European Journal of Psychotraumatology, 14(2), 2225153. https://doi.org/10.1080/20008066.2023.2225153

Klusmann, H., Eisenlohr-Moul, T., Baresich, K., Schmalenberger, K. M., Girdler, S., & Andersen, E. (2023). Analyzing the atypical – Methods for studying the menstrual cycle in adolescents. Psychoneuroendocrinology, 158, 106389. https://doi.org/10.1016/j.psyneuen.2023.106389

Klusmann, H., Luecking, N., Engel, S., Blecker, M. K., Knaevelsrud, C., & Schumacher, S. (2023). Menstrual cycle-related changes in HPA axis reactivity to acute psychosocial and physiological stressors - A systematic review and meta-analysis of longitudinal studies. Neuroscience and biobehavioral reviews, 150, 105212. https://doi.org/10.1016/j.neubiorev.2023.105212

Laufer, S., Schulze, L., Engel, S., Klusmann, H., Skoluda, N., Nater, U. M., Knaevelsrud, C. & Schumacher, S. (2023). The effect of an internet-based intervention for depression on cortisol and alpha-amylase. Psychoneuroendocrinology, 152, 106082. https://doi.org/10.1016/j.psyneuen.2023.106082

2022

Engel, S., Klusmann, H., Laufer, S., Kapp, C., Schumacher, S. & Knaevelsrud, C. (2022). Biological markers in clinical psychological research - A systematic framework applied to HPA axis regulation in PTSD. Comprehensive Psychoneuroendocrinology, 11, 100148. https://doi.org/10.1016/j.cpnec.2022.100148

Klusmann, H., Schulze, L., Engel, S., Bücklein, E., Daehn, D., Lozza-Fiacco, S., Geiling, A., Meyer, C., Andersen, E., Knaevelsrud, C. & Schumacher, S. (2022). HPA axis activity across the menstrual cycle - a systematic review and meta-analysis of longitudinal studies. Frontiers in Neuroendocrinology, 66, 100998. https://doi.org/10.1016/j.yfrne.2022.100998 

Schumacher, S., Engel, S., Klusmann, H., Niemeyer, H., Küster, A., Burchert, S., Skoluda, N., Rau, H., Nater, U. M., Willmund, G.-D. & Knaevelsrud, C. (2022). Trauma-related but not PTSD-related increases in hair cortisol concentrations in military personnel. Journal of Psychiatric Research, 150, 17-20. https://doi.org/10.1016/j.jpsychires.2022.02.031

2021

Engel, S., Schumacher, S., Niemeyer, H., Kuester, A., Burchert, S., Klusmann, H., Rau, H., Willmund, G.-D., & Knaevelsrud, C. (2021). Associations between oxytocin and vasopressin concentrations, traumatic event exposure and posttraumatic stress disorder symptoms: group comparisons, correlations, and courses during an internet-based cognitive-behavioural treatment. European Journal of Psychotraumatology, 12(1). https://doi.org/10.1080/20008198.2021.1886499

2019

Engel, S., Klusmann, H., Laufer, S., Pfeifer, A., Ditzen, B., van Zuiden, M., Knaevelsrud, C., & Schumacher, S. (2019). Trauma exposure, posttraumatic stress disorder and oxytocin: A meta-analytic investigation of endogenous concentrations and receptor genotype. Neuroscience & Biobehavioral Reviews, 107, 560-601. https://doi.org/10.1016/j.neubiorev.2019.08.003

Engel, S.*, Klusmann, H.*, Ditzen, B., Knaevelsrud, C., & Schumacher, S. (2019). Menstrual cycle-related fluctuations in oxytocin concentrations: A systematic review and meta-analysis. Frontiers in Neuroendocrinology, 52, 144-155.https://doi.org/10.1016/j.yfrne.2018.11.002

Schumacher, S.*, Niemeyer, H.*, Engel, S., Cwik, J.C., Laufer, S., Klusmann, H. & Knaevelsrud, C. (2019). HPA axis regulation in posttraumatic stress disorder: A meta-analysis focusing on potential moderators. Neuroscience and Biobehavioral Reviews, 100, 35-57. https://doi.org/10.1016/j.neubiorev.2019.02.005
* shared first autorship