Browsing Faculté des arts et des sciences by Author "Lupien, Sonia"
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Acute and chronic stress among workers in residential treatment centers for youth : effects on restraint and seclusion
Mathieu, Caroline A.; Plusquellec, Pierrich; Giguère, Charles-Édouard; Lupien, Sonia; Geoffrion, Steve (Elsevier, 2020-08-29)Workers in residential treatment centers for youth are often victims of violence, including verbally and physically aggressive behavior. Restraint and seclusion (R&S) are the last-resort methods used by residential workers to deal with the aggressive ... -
Age at first febrile seizure correlates with perinatal maternal emotional symptoms
Thébault-Dagher, Fanny; Herba, Catherine; Séguin, Jean; Muckle, Gina; Lupien, Sonia; Carmant, Lionel; Simard, Marie-Noëlle; Shapiro, Gabriel; Fraser, William; Lippé, Sarah (2017-09-30)Objective: Prenatal exposure to stress and fever are factors lowering seizure threshold in animal models. The fever effect on seizure threshold is well documented in human infants, however the associations between maternal perinatal stress and infants’ ... -
Développement cognitif des enfants épileptiques : contribution du stress
Cognitive development in epileptic children : the contribution of stress
Thébault-Dagher, Fanny; Carmant, Lionel; Lupien, Sonia; Herba, Catherine; Lippé, Sarah (2016)L’épilepsie est un désordre neurologique souvent infantile associé à des comorbidités qui impliquent des troubles cognitifs. Depuis quelques années, les études des chercheurs suggèrent que la qualité de vie des personnes atteintes d’épilepsie est ... -
Does cortisol moderate the environmental association between peer victimization and depression symptoms? a genetically informed twin study
Brendgen, Mara; Ouellet-Morin, Isabelle; Girard, Alain; Lupien, Sonia; Vitaro, Frank; Dionne, Ginette; Boivin, Michel (Elsevier, 2017-10-31)Many youths who are victimized by peers suffer from depression symptoms. However, not all bullying victims become depressed and individuals’ biological sensitivity may play an important moderating role in this regard. In line with this notion, peer ... -
Environmental influence of problematic social relationships on adolescents' daily cortisol secretion : a monozygotic twin-difference study
Brendgen, Mara; Ouellet-Morin, Isabelle; Girard, Alain; Lupien, Sonia; Vitaro, Frank; Dionne, Ginette; Boivin, Michel (Cambridge University Press, 2017-02)BACKGROUND: This study investigated the potential environmental effects of peer victimization and the quality of relationships with parents and friends on diurnal cortisol secretion in mid-adolescence. METHOD: This study used the monozygotic ... -
Evidence of a unique and common genetic etiology between the CAR and the remaining part of the diurnal cycle : a study of 14 year-old twins
Ouellet-Morin, Isabelle; Brendgen, Mara; Girard, Alain; Dionne, Ginette; Lupien, Sonia; Vitaro, Frank; Boivin, Michel (Elsevier, 2016-04)Introduction By and large, studies have reported moderate contributions of genetic factors to cortisol secreted in the early morning and even smaller estimates later in the day. In contrast, the cortisol awakening response (CAR) has shown much ... -
Febrile seizures and increased stress sensitivity in children : how it relates to seizure characteristics
Thébault-Dagher, Fanny; Lafontaine, Marc Philippe; Knoth, Inga Sophia; Deguire, Florence; Sheppard, Emilie; Cook, Ramona; Lagacé, Maryse; Gravel, Jocelyn; Lupien, Sonia; Lippé, Sarah (Elsevier, 2019-05)BACKGROUND: Studies suggest that the relationship between seizures and stress starts early in life. However, evidence of long-term altered stress reactivity following early-life seizures is lacking. Our objectives were to assess alterations in stress ... -
Validation of an adapted procedure to collect hair for cortisol determination in adolescents
Adaption of the collection protocol for hair cortisol determination
Ouellet-Morin, Isabelle; Laurin, Mélissa; Robitaille, Marie-Pier; Brendgen, Mara; Lupien, Sonia; Boivin, Michel; Vitaro, Frank (Elsevier, 2016-08)Introduction In the last decades, cortisol has been extensively studied in association to early exposure to adversity as well as in the etiology of a number of physical and mental problems. While saliva and blood samples allow the measurement of ...