Alexandra Brouillard

Alexandra (she) holds a doctorate in psychology (PsyD/PhD) from the Université du Québec à Montréal (UQÀM). Her research interests focus on the relationship between female reproductive health and psychological health. She has conducted work in psychoneuroendocrinology, particularly on the effects of endogenous and exogenous sex hormones on the brain and mental health of women. She is also a lecturer in the Department of Psychology at UQAM and a clinical psychologist.

Publications

• Davignon, L.-M., Brouillard, A. & Marin, M.-F. (2026). Lasting effects of oral contraceptives on fear responses to a safe context. Neuropsychopharmacology, 51, 401-411. https://doi.org/10.1038/s41386-025-02208-x
• Davignon, L.-M., Brouillard, A., Devine, S., Roy, M., & Marin, M.-F. (2025). Current and lasting effects of oral contraceptives in fear regulation. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging. https://doi.org/10.1016/j.bpsc.2025.09.018
• Brouillard, A., Davignon, L.-M., Cernik, R., Giguère, C.-E., Findlay, H., Juster, R.-P. Lupien, S. J. & Marin, M.-F. (2025). Comparing immunoassay and mass spectrometry techniques for salivary sex hormone analysis. Psychoneuroendocrinology, 174, 107379. https://doi.org/10.1016/j.psyneuen.2025.107379
• Brouillard, A., Davignon, L.-M., Vachon-Presseau, É., Roy, M., & Marin, M.-F. (2024). Starting the pill during adolescence: Age of onset and duration of use influence morphology of the hippocampus and ventromedial prefrontal cortex. The European Journal of Neuroscience, 60(8), 5876-5899. https://doi.org/10.1111/ejn.16509
• Davignon, L.-M., Brouillard, A., Juster, R.-P. & Marin, M.-F. (2023). The role of sex hormones, oral contraceptive use, and its parameters on visuospatial abilities, verbal fluency, and verbal memory. Hormones and Behavior, 157. https://doi.org/10.1016/j.yhbeh.2023.105454
• Brouillard, A., Davignon, L.-M., Turcotte, A.-M. & Marin, M.-F. (2023). Morphologic alterations of the fear circuitry: The role of sex hormones and oral contraceptives. Frontiers in Endocrinology, 14, 1228504. https://doi.org/10.3389/fendo.2023.1228504
• Brouillard, A., Davignon, L.-M., Fortin, J. & Marin, M.-F. (2022). A year through the COVID-19 pandemic: Deleterious impact of hormonal contraception on psychological distress in women. Frontiers in Psychiatry, 13, 835857. https://doi.org/10.3389/fpsyt.2022.835857
• Kheloui, S., Brouillard, A., Rossi, M., Marin, M.-F., Paquette, D., Mendrek, A. & Juster, R.-P. (2021). Exploring the sex and gender correlates of cognitive sex differences. Psychoneuroendocrinology, 119, 104959. https://doi.org/10.1016/j.actpsy.2021.103452
• Marin, M.-F., Bilodeau-Houle, A., Morand-Beaulieu, S., Brouillard, A., Herringa, R. J., & Milad, M. R. (2020). How are fears transmitted within families? Observational fear learning and physiological synchrony in parent-child dyads. Scientific Reports, 10(1), 17130. https://doi.org/10.1038/s41598-020-74170-1
• Peyrot, C.*, Brouillard, A.*, Morand-Beaulieu, S., & Marin, M.-F. (2020). A review on how stress modulates fear conditioning: Let's not forget the role of sex and sex hormones. Behaviour Research and Therapy, 129, 103615. https://doi.org/10.1016/j.brat.2020.103615