期刊
ADAPTIVE HUMAN BEHAVIOR AND PHYSIOLOGY
卷 1, 期 1, 页码 41-53出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s40750-014-0007-z
关键词
Cortisol; Romantic attachment; Love; HPA axis; Behavior; Commitment
资金
- German-Israeli Foundation [1114-101.4/2010]
- US-Israel BiNational Foundation [2011349]
- I-CORE Program of the Planning and Budgeting Committee
- Israel Science Foundation [51/11]
Early-stage romantic love constitutes a unique phase associated with distinct brain activations and neuro-hormonal processes that function to consolidate the affiliative bond. Little research addressed functioning of the hypothalamic-pituitaryadrenal (HPA) axis during this phase or tested the relationship between cortisol and interactive behavior in new lovers. The current study examined daily cortisol production in 113 healthy young adults, including 79 new lovers who began a romantic relationship within the past 3 months and 34 demographically-matched singles. Saliva samples were collected three times per day on two consecutive days: at awakening, 30 minutes post-awakening, and at bedtime. Couples were videotaped during naturalistic interactions and self-reported on their relationship quality. Basal cortisol, total daily cortisol (AUCg), and cortisol awakening response (CAR) were assessed. New lovers exhibited lower daily cortisol production and blunted CAR, suggesting that the initiation of a romantic bond attenuates the stress response. Observed social reciprocity and goal-directed partnership and reported commitment to the relationship were associated with lower daily cortisol. Findings are consistent with research on the effects of intimate partner relationships on the stress response and support our bio behavioral synchrony model by demonstrating links between neuroendocrine processes and reciprocal social behavior during periods of bond formation in humans.
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