The impact of emotion on respiratory-related evoked potentials.

The impact of emotion on respiratory-related evoked potentials.
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DOI:
10.1111/j.1469-8986.2009.00956.x
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发表时间:
2010-05-01
期刊:
影响因子:
3.7
通讯作者:
Davenport PW
Davenport PW
中科院分区:
心理学3区
文献类型:
--
作者:
Von Leupoldt A;Vovk A;Bradley MM;Keil A;Lang PJ;Davenport PW

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情绪影响对呼吸感觉的感知,尽管这种调节背后的具体机制尚不清楚。我们研究了观看令人愉悦、中性和不愉快的情感图片对健康志愿者在短暂吸气受阻时诱发的呼吸相关诱发电位(RREP)的影响。与中性系列图片呈现期间相比,在观看令人愉悦或不愉快系列图片时呈现的呼吸探测刺激所诱发的RREP的P3波幅降低。RREP的早期成分,如Nf、P1、N1和P2,未显示出受情绪的调节。结果表明,情绪通过减少可用于处理传入呼吸感觉信号的注意力资源来影响对呼吸感觉的感知。
Emotion influences the perception of respiratory sensations, although the specific mechanism underlying this modulation is not yet clear. We examined the impact of viewing pleasant, neutral, and unpleasant affective pictures on the respiratory-related evoked potential (RREP) elicited by a short inspiratory occlusion in healthy volunteers. Reduced P3 amplitude of the RREP was found for respiratory probes presented when viewing pleasant or unpleasant series, when compared to those presented during the neutral series. Earlier RREP components, such as Nf, P1, N1, and P2, showed no modulation by emotion. The results suggest that emotion impacts the perception of respiratory sensations by reducing the attentional resources available for processing afferent respiratory sensory signals.
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