期刊
NEUROPSYCHOBIOLOGY
卷 71, 期 4, 页码 202-211出版社
KARGER
DOI: 10.1159/000381023
关键词
Intranasal oxytocin; Humans; Men; Women; Salivary hormones; Cortisol; Progesterone; Testosterone; Hypothalamic-pituitary-adrenal axis; Hypothalamic-pituitary-gonadal axis
资金
- National Science Foundation (NSF)
Background: Recent interest in the social and cognitive effects of intranasal oxytocin prompts a need for understanding its physiological effects in humans. Few studies have examined the effects of intranasal oxytocin on steroid hormones. Filling this gap is especially important given the evidence that steroid hormones participate in some of the same behavioral functions as oxytocin, e.g. in stress, processing of emotional stimuli, aggression, trust, empathy, and parental care. Methods: In randomized, double-blind experiments, we administered oxytocin (24 IU) or saline placebo to 97 healthy participants. Saliva samples were collected before and at several time points after the oxytocin/placebo administration to assess the levels of cortisol, progesterone, and testosterone. Results: Oxytocin had no effects on testosterone, progesterone, or cortisol in women or men. Conclusion: Acute intranasal oxytocin does not affect the levels of cortisol, testosterone or progesterone in humans, at least in the absence of a stressful context. These data suggest that acute oxytocin does not have a direct impact on the human hypothalamic-pituitary-adrenal or hypothalamic-pituitary-gonadal axes under nonstressful circumstances. This knowledge helps rule out potential mechanisms for some of the effects of oxytocin in humans and adds to the generally limited body of knowledge on the basic physiological or psychological effects of intranasal oxytocin in human beings. (C) 2015 S. Karger AG, Basel
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