Relationships between startle and cardiovascular reactivity.
Relationships between startle and cardiovascular reactivity.
复制标题
惊吓与心血管反应之间的关系。
DOI：
10.1111/j.1469-8986.1997.tb02419.x
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发表时间：
1997
期刊：
影响因子：
3.7
通讯作者：
Cook3rd,EW
中科院分区：
文献类型：
--
作者：
Gautier,CH;Cook3rd,EW
虽然惊吓和心血管反应已经被广泛研究，但对它们之间的关系知之甚少。在本研究中，我们检查了112名血压正常的个体的心血管反应和情感惊吓调制，这些个体在自我报告的恐惧和父母的心血管健康史方面各不相同。最初的强烈噪声爆发引起了阶段性心脏加速，这对恐惧的人来说更大。惊恐眨眼反应在厌恶比愉快放松的图像，但没有不同的恐惧组。认知挑战任务引起的心率和血压升高与恐惧或父母的健康史无关。然而，更大的惊吓增强厌恶的图像预测更大的升压反应的认知挑战，尤其是男性。惊吓和心血管反应之间的关系表明，他们的情感调制的共同机制。
Although startle and cardiovascular reactivity have been studied extensively, little is known about their relationship. In the present study, we examined cardiovascular responses and affective startle modulation in 112 normotensive individuals varying in self‐reported fearfulness and parental cardiovascular health history. An initial intense noise burst elicited a phasic cardiac acceleration that was larger for fearful individuals. Startle blink responses were larger during aversive than during pleasant relaxing imagery but did not differ with fear group. Cognitive challenge tasks elicited heart rate and blood pressure increases that were unrelated to fearfulness or parental health history. However, greater startle potentiation by aversive imagery predicted larger pressor responses to cognitive challenge, especially among men. The observed relationship between startle and cardiovascular reactivity suggests a common mechanism for their affective modulation.