A5064626762- Stress Responses and Cortisol
- Tryptophan and brain disorders
- COVID-19 and Mental Health
- Eating Disorders and Behaviors
- Evolutionary Psychology and Human Behavior
- Menstrual Health and Disorders
- Dermatology and Skin Diseases
- Neural and Behavioral Psychology Studies
- Neural dynamics and brain function
- Memory and Neural Mechanisms
- Psychology of Moral and Emotional Judgment
- Adrenal Hormones and Disorders
Institut Universitaire en Santé Mentale de Québec
2022-2025
Université du Québec à Montréal
2022-2025
Hôpital Louis-H Lafontaine
2025
Centre Hospitalier Universitaire Sainte-Justine
2025
Research on stress has demonstrated that the hypothalamic-pituitary-adrenal (HPA) axis contributes to major depressive disorder in youth. Hair glucocorticoids are key biological markers of chronic stress. We assessed group differences hair cortisol and cortisone concentrations, cortisol/cortisone ratio between depressed adolescent women a non-depressed comparison group. Further, within depression group, we explored contribution symptom severity clinical correlates relation glucocorticoid...
ABSTRACT The COVID‐19 crisis generated subjective and physiological stress, with important interindividual differences. Studies have shown that coping strategies sex modulate although their effects on stress hormones been overlooked. In addition, it remains unknown whether interact to predict these metrics during long‐term stressful events. To examine the impact of strategies, sex, interaction indicators year following arrival virus. Coping were assessed using Brief COPE questionnaire in May...
ABSTRACT Psychiatric inpatient aggression is a concern as it poses threat to safety of both patients and staff. While psychosocial behavioral approaches are often put forward, the role biological factors remains underexplored in clinical context such psychiatric hospitals. The dual‐hormone hypothesis (DHH) posits that low levels cortisol combined with high testosterone promote status‐seeking behaviors some differences between sexes. This has yet be studied among inpatients. To explore joint...
ABSTRACT Selective attention supports top‐down control by biasing information processing toward stimuli that are potentially relevant to the immediate goal. It has been recently proposed theta band oscillations (~4–8 Hz) in frontal midline regions a key mechanism of endogenous selective attention. The current electroencephalography study investigated oscillatory dynamics using an inter‐sensory cueing paradigm which symbolic cue indicated, on trial‐by‐trial basis, modality (visual or...