Cigarette cues capture smokers' attention: evidence from event-related potentials.
Cigarette cues capture smokers' attention: evidence from event-related potentials.
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DOI：
10.1111/j.1469-8986.2009.00946.x
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发表时间：
2010-05-01
期刊：
影响因子：
3.7
通讯作者：
Cinciripini PM
中科院分区：
文献类型：
--
作者：
Versace F;Robinson JD;Lam CY;Minnix JA;Brown VL;Carter BL;Wetter DW;Cinciripini PM
在开始戒烟治疗之前，51 名吸烟者参加了一项旨在调查与注意力分配相关的大脑机制的研究。在呈现中性、愉快、不愉快和与香烟相关的图片期间，129 个传感器记录了声学惊吓探针的 ERP。结果表明，相对于中性条件，令人愉快、不愉快和与香烟相关的条件下，惊吓探针 P3 分量的振幅有所降低。表面拉普拉斯估计表明，额叶和顶叶传感器下的皮层电活动来源有助于调节这种效应。对于吸烟者来说，与香烟相关的刺激，就像内在激励一样，会夺取注意力资源，从而降低处理竞争性刺激的能力。与香烟相关的线索存在时注意力资源的消耗可能会导致戒烟尝试期间观察到的高复吸率。
Before starting a smoking cessation treatment, 51 smokers took part in a study aimed at investigating brain mechanisms associated with attention allocation. ERPs to acoustic startle probes were recorded from 129 sensors during the presentation of neutral, pleasant, unpleasant, and cigarette-related pictures. Results indicated that the amplitude of the startle probe P3 component was reduced for pleasant, unpleasant, and cigarette-related conditions relative to neutral. Surface Laplacian estimates showed that sources of electrocortical activity under frontal and parietal sensors contributed to the modulation of this effect. For smokers, cigarette-related stimuli, like intrinsically motivating ones, capture attentional resources and therefore reduce the ability to process competing stimuli. The depletion of attentional resources in the presence of cigarette-related cues may contribute to the high relapse rate observed during smoking quit attempts.
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