• 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 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

Scholarships

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

2023

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

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

Conference presentations

2021

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