鼻烟使用者的注意偏向：一项实验研究。
Attentional bias in snus users: an experimental study.
作者信息
Mentzoni Rune Aune, Sætrevik Bjørn, Molde Helge, Wiium Nora, Hetland Jørn, Fagerland Ida, Nordnes Linn Tinnesand, Storemark Sunniva Straume, Fossum Ingrid Nesdal, Pallesen Ståle
机构信息
Department of Psychosocial Science, Faculty of Psychology, University of Bergen, Bergen, Norway.
Department of Clinical Psychology, Faculty of Psychology, University of Bergen, Bergen, Norway.
出版信息
PLoS One. 2014 Oct 8;9(10):e108897. doi: 10.1371/journal.pone.0108897. eCollection 2014.
The use of nicotine in the form of "snus" is substantial and increasing in some geographic areas, in particular among young people. It has previously been suggested that addictions may operate through a mechanism of attentional bias, in which stimuli representative of the dependent substance increase in salience, thus increasing the addictive behavior. However, this hypothesis has not been tested for the case of snus. The current experiment used a modified Stroop task and a dot-probe task to investigate whether 40 snus users show an attentional bias towards snus-relevant stimuli, compared to 40 non-snus users. There were no significant differences between the two groups on reaction times or accuracy on either Stroop or dot-probe task, thus failing to show an attentional bias towards snus-relevant stimuli for snus users. This could imply that other mechanisms may contribute to maintenance of snus use than for other addictions. However, this is the first experimental study investigating attentional bias in snus users, and more research is warranted.
“口含烟”形式的尼古丁使用在一些地理区域颇为普遍且呈上升趋势，尤其是在年轻人当中。此前有观点认为，成瘾可能通过注意力偏向机制起作用，即代表成瘾物质的刺激显著性增加，从而加剧成瘾行为。然而，这一假设尚未在口含烟的情况下得到验证。当前实验采用改良的斯特鲁普任务和点探测任务，以研究40名口含烟使用者与40名非口含烟使用者相比，是否对口含烟相关刺激存在注意力偏向。两组在斯特鲁普任务或点探测任务的反应时间或准确性上均无显著差异，因此未显示口含烟使用者对口含烟相关刺激存在注意力偏向。这可能意味着，与其他成瘾情况相比，可能有其他机制促使口含烟的使用持续存在。然而，这是第一项研究口含烟使用者注意力偏向的实验性研究，仍需更多研究。
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