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摘要:
BACKGROUND Illness anxiety disorder(IAD)is a common,distressing,and debilitating condition with the key feature being a persistent conviction of the possibility of having one or more serious or progressive physical disorders.Because eye movements are guided by visual-spatial attention,eye-tracking technology is a comparatively direct,continuous measure of attention direction and speed when stimuli are oriented.Researchers have tried to identify selective visual attention biases by tracking eye movements within dot-probe paradigms because dot-probe paradigm can distinguish these attentional biases more clearly.AIM To examine the association between IAD and biased processing of illness-related information.METHODS A case-control study design was used to record eye movements of individuals with IAD and healthy controls while participants viewed a set of pictures from four categories(illness-related,socially threatening,positive,and neutral images).Biases in initial orienting were assessed from the location of the initial shift in gaze,and biases in the maintenance of attention were assessed from the duration of gaze that was initially fixated on the picture per image category.RESULTS The eye movement of the participants in the IAD group was characterized by an avoidance bias in initial orienting to illness-related pictures.There was no evidence of individuals with IAD spending significantly more time viewing illness-related images compared with other images.Patients with IAD had an attention bias at the early stage and overall attentional avoidance.In addition,this study found that patients with significant anxiety symptoms showed attention bias in the late stages of attention processing.CONCLUSION Illness-related information processing biases appear to be a robust feature of IAD and may have an important role in explaining the etiology and maintenance of the disorder.
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篇名 Using eye movements in the dot-probe paradigm to investigate attention bias in illness anxiety disorder
来源期刊 世界精神病学杂志 学科 医学
关键词 Attention bias Selective attention Eye tracking Dot-probe Illness anxiety disorder Disengagement
年,卷(期) 2021,(3) 所属期刊栏目
研究方向 页码范围 73-86
页数 14页 分类号 R47
字数 语种
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节点文献
Attention
bias
Selective
attention
Eye
tracking
Dot-probe
Illness
anxiety
disorder
Disengagement
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研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
世界精神病学杂志
不定期
2220-3206
北京市朝阳区东四环中路62号楼远洋国际中
出版文献量(篇)
31
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