Oxytocin-induced coping with stressful life events in old age depends on attachment: Findings from the cross-sectional KORA Age study

被引:11
|
作者
Emeny, Rebecca Thwing [1 ]
Huber, Dorothea [2 ,3 ]
Bidlingmaier, Martin [4 ]
Reincke, Martin [4 ]
Kluge, Guenther [5 ]
Ladwig, Karl-Heinz [1 ,5 ]
机构
[1] Helmholtz Zentrum Munchen, Inst Epidemiol 2, Munich, Germany
[2] Klinikum Muenchen Harlaching, Klin Psychosomat Med & Psychotherapie, Munich, Germany
[3] Int Psychoanalyt Univ, Berlin, Germany
[4] Univ Munich, Med Klin & Poliklin 4, Munich, Germany
[5] Tech Univ Munich, Klinikum Rechts Isar, Klin & Poliklin Psychosomat Med & Psychotherapie, Munich, Germany
关键词
Oxytocini; Aging; Attachment style; Neuroscience; Psychoanalysis; Biopsychiatry; Stressful life events; Stress; PSYCHOLOGICAL STRESS; INTRANASAL OXYTOCIN; MENTAL-HEALTH; RESPONSES; CONTEXT; SUSCEPTIBILITY; METAANALYSIS; EXPERIENCES; ADDICTION; RECEPTORS;
D O I
10.1016/j.psyneuen.2015.03.014
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: Whether oxytocin functions as a stress hormone in older age is unknown. We investigated oxytocin levels and the perceived stress of an adverse life event in an older population-representative sample and considered the effect of a secure/insecure attachment style on this association. Methods: Non-fasting plasma oxytocin was measured from 952 participants (65-90 years) of the cross sectional KORA-Age study. The psychological impact of an adverse life event was assessed based on the Psychosocial Stress Questionnaire. Attachment style was determined by the Relationship-Specific Attachment Scales for Adults. Linear regression models of oxytocin, stratified for attachment style, were controlled for age, sex, and further for alcohol, smoking, and physical activity. Adjusted least squares means of oxytocin were calculated. Results: Oxytocin levels did not differ between men and women (mean, 95% confidence interval (CI), 321 (277-365) and 309 (272-345) pg/ml, respectively). Oxytocin levels were positively associated with the experience of an adverse event (n=273, 29%) versus no event (n=679, 71%), in securely attached (beta estimate = 0.17, standard error (SE). 0.08, P value = 0.03) but not in insecure participants (-0.10, 0.09), P=0.28). Oxytocin was positively associated with diminished stress among securely attached participant (event with little suffering: beta=0.35. SE = 0.12, great suffering: beta = 0.15. SE = 0.14, severe suffering: beta = 0.03. SE = 0.12). Among participants who reported minimal suffering, insecure individuals had lower oxytocin (adjusted mean, 95%CI: 172, 127-216 pg/ml) than securely attached individuals (279, 222-352 pg/ml, P=0.006). Conclusions: These epidemiologic data support the hypothesis that oxytocin may have an attenuating effect on perceived stress due to adverse life events in old age. The conditional role of attachment style in stress-induced endogenous oxytocin production is highlighted. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:132 / 142
页数:11
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