Upward spirals of the heart: autonomic flexibility, as indexed by vagal tone, reciprocally and prospectively predicts positive emotions and social connectedness.
Upward spirals of the heart: autonomic flexibility, as indexed by vagal tone, reciprocally and prospectively predicts positive emotions and social connectedness.
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DOI：
10.1016/j.biopsycho.2010.09.005
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发表时间：
2010-12
影响因子：
2.6
通讯作者：
Fredrickson, Barbara L.
中科院分区：
文献类型：
--
作者：
Kok, Bethany E.;Fredrickson, Barbara L.
迷走神经张力（VT）是自主神经灵活性的指标，与社会和心理健康有关。我们认为，VT和幸福感之间的关联反映了一个“螺旋上升”，其中自主的灵活性，VT为代表，有利于利用社会和情感的机会和由此产生的机会主义收益，反过来，导致更高的VT。社区居民被要求监测和报告他们的积极情绪，以及他们在9周内每天感到社会联系的程度。在9周期间的开始和结束时测量VT。具有较高初始VT水平的成年人比其他人更快地增加连通性和积极情绪。此外，连通性和积极情绪的增加预测VT的增加，独立于初始VT水平。这一证据与“螺旋上升”的因果关系相一致，即VT和心理社会幸福感是相互预测的。
Vagal tone (VT), an index of autonomic flexibility, is linked to social and psychological well-being. We posit that the association between VT and well-being reflects an “upward spiral” in which autonomic flexibility, represented by VT, facilitates capitalizing on social and emotional opportunities and the resulting opportunistic gains, in turn, lead to higher VT. Community-dwelling adults were asked to monitor and report their positive emotions and the degree to which they felt socially connected each day for 9 weeks. VT was measured at the beginning and end of the 9-week period. Adults who possessed higher initial levels of VT increased in connectedness and positive emotions more rapidly than others. Furthermore, increases in connectedness and positive emotions predicted increases in VT, independent of initial VT level. This evidence is consistent with an “upward spiral” relationship of reciprocal causality, in which VT and psychosocial well-being reciprocally and prospectively predict one another.
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