The varying time courses of attentional and affective modulation of the startle eyeblink reflex.

The varying time courses of attentional and affective modulation of the startle eyeblink reflex.
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惊跳眨眼反射的注意力和情感调节的不同时间过程。

DOI:
10.1111/j.1469-8986.1996.tb02365.x
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发表时间:
1996
期刊:
影响因子:
3.7
通讯作者:
Schell,AM
Schell,AM
中科院分区:
心理学3区
文献类型:
--
作者:
Vanman,EJ;Boehmelt,AH;Dawson,ME;Schell,AM

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在之前关于惊恐眨眼反射调制的研究中,情绪效应只在探测后期被证明,而注意效应在早期和晚期都被发现,但只有当前脉冲是情感中性的时候。在实验1中,参与者观看了情绪激动的图片,并被指示注意幻灯片的一半持续时间。惊恐眨眼的情绪调制发生在长时间间隔,但注意调制也发生在较晚的时间。在实验2中,参与者观看了与实验1相同的幻灯片,但被指示只注意正面或负面幻灯片的持续时间。情感调制发生在早期和晚期探测位置,而注意效应仅发生在滑动偏移量之后。惊吓眨眼的早期(250毫秒)情绪性调整之前还没有报道。这些结果表明,惊吓的情绪和注意力调节的时间进程是不同的,可以发生在惊吓探测的早期和晚期,取决于任务要求。
In previous research on modulation of the startle eyeblink reflex, emotional effects have been demonstrated only at late probe positions, whereas attentional effects have been found at both early and late positions but only when the prepulses were affectively neutral. In Experiment 1, participants viewed emotionally valenced pictures and were instructed to attend to the duration of half of the slides. Affective modulation of the startle eyeblink occurred at long lead intervals, but attentional modulation also occurred late. In Experiment 2, participants viewed the same slides used in Experiment 1 but were instructed to attend to the duration of only the positive or the negative slides. Affective modulation occurred at both early and late probe positions, whereas attentional effects occurred only following slide offset. Early (250 ms) affective modification of startle eyeblink has not been previously reported. These results suggest that the time courses of emotional and attentional modulation of startle are variable and can occur at both early and late startle probe positions, depending on task requirements.
选择性地关注反射引发和反射调节刺激的空间位置的效果。
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