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M. Sc. Hannah Klusmann

hannah klusmann

Clinical Psychological Intervention

PhD Candidate

Schwendenerstr 27
Room 219
14195 Berlin
  • 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



Since November 2018: Doctoral student
Freie Universität Berlin - Department of Clinical Psychological Intervention
Doctoral thesis:The influence of the menstrual cycle on depressive symptoms and stress

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

September 2014 - December 2015
Semester abroad at Trinity College Dublin, Ireland


Since 2018 - Doctoral grant from the Stiftung der Deutschen Wirtschaft (German Business Foundation)

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

Peer-reviewed articles


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. https://doi.org/10.1016/j.jpsychires.2022.02.031


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


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

Conference presentations


Klusmann, H., Schulze, L., Engel, S., Knaevelsrud, C., Schumacher, S. HPA axis activity in the course of the menstrual cycle – a meta-analysis of longitudinal studies. 3rd International Congress of the World Association for Stress Related and Anxiety Disorders (WASAD), Vienna, Austria. 20 - 22.09.2021