Personne : Doré, Jean
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Doré
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Jean
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Département de kinésiologie, médecine sociale et préventive, Faculté de médecine, Université Laval
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ncf11860368
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Publication Restreint Awakening cortisol response in relation to psychosocial profiles and eating behaviors(Pergamon Press, 2007-09-05) Drapeau, Vicky; Doré, Jean; Lupien, Sonia; Therrien, Fanny; Beaulieu, Serge; Tremblay, Angelo; Richard, DenisAwakening cortisol response was measured in 78 men and women, on 3 mornings within a 2-month period. Psychosocial and eating behavior variables were assessed using self-administered questionnaires on anxiety (State–Trait Anxiety Inventory), depression (Beck Depression Inventory), body esteem (Body Esteem Scale for Adolescents and Adults), and eating behaviors (Three-Factor Eating Questionnaire and Eating Disorder Inventory-2). Data on food intake and appetite sensations were also collected using a buffet-type meal test, a 3-day food record and visual analog scales measured before and after a standardized breakfast meal test. In women, high anxiety, disinhibition and hunger scores, as well as poor body esteem and a high weight preoccupation, were negatively correlated to ACR. The factor that appeared to account the most for this inverse relation was emotional susceptibility to disinhibition (r = − 0.61, p = 0.003). The latter was also negatively associated with the satiety quotient for fullness in response to the standardized breakfast (r = − 0.48, p = 0.010). In men, ACR was negatively associated with flexible (r = − 0.33, p = 0.020) and strategic (r = − 0.28, p = 0.049) restraint behaviors. This study highlights a gender-dependent relationship between ACR, hence the activity of the hypothalamic–pituitary–adrenal axis, and eating behaviors and psychological profiles.Publication Accès libre Effects of a diet-based weight-reducing program with probiotic supplementation on satiety efficiency, eating behaviour traits and psychosocial behaviours in obese individuals(MDPI AG, 2017-03-15) Drapeau, Vicky; Doré, Jean; Sanchez, Marina; Marette, André; Tremblay, Angelo; Darimont, Christian; Panahi, Shirin; Taylor, Valérie H.This study evaluated the impact of probiotic supplementation (Lactobacillus rhamnosus CGMCC1.3724 (LPR)) on appetite sensations and eating behaviors in the context of a weight-reducing program. Obese men (n = 45) and women (n = 60) participated in a double-blind, randomized, placebo-controlled trial that included a 12-week weight loss period (Phase 1) based on moderate energy restriction, followed by 12 weeks of weight maintenance (Phase 2). During the two phases of the program, each subject consumed two capsules per day of either a placebo or a LPR formulation (10 mg of LPR equivalent to 1.6 108 CFU/capsule, 210 mg of oligofructose, and 90 mg of inulin). The LPR supplementation increased weight loss in women that was associated with a greater increase in the fasting desire to eat (p = 0.03). On the other hand, satiety efficiency (satiety quotient for desire to eat) at lunch increased (p = 0.02), whereas disinhibition (p = 0.05) and hunger (p = 0.02) scores decreased more in the LPR-treated women, when compared with the female control group. Additionally, the LPR female group displayed a more pronounced decrease in food craving (p = 0.05), and a decrease in the Beck Depression Inventory score (p = 0.05) that was significantly different from the change noted in the placebo group (p = 0.02), as well as a higher score in the Body Esteem Scale questionnaire (p = 0.06). In men, significant benefits of LPR on fasting fullness and cognitive restraint were also observed. Taken together, these observations lend support to the hypothesis that the gut-brain axis may impact appetite control and related behaviors in obesity management. View Full-Text