Evidence for an attention bias toward disgust in contamination fear

IF 1 4区 医学 Q4 PSYCHIATRY Journal of Experimental Psychopathology Pub Date : 2019-07-01 DOI:10.1177/2043808719870043
R. Ólafsson, A. E. Friðriksdóttir, Sigrún Þ. Sveinsdóttir, Á. Kristjánsson
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引用次数: 2

Abstract

Although attention biases are common in various anxiety disorders, there is no consensus yet regarding attentional bias in obsessive–compulsive disorder. We assessed attention bias toward images involving contamination and disgust using an emotional attentional blink paradigm in a sample of university students high (HCF) or low (LCF) in contamination fear. Neutral, general-threat-, contamination-, and disgust-related images (T1) were presented followed by a discrimination task (T2) 200, 500, or 800 ms later within a rapid serial visual presentation stream of 20 images. The HCF group was overall less accurate on the attentional blink task. Response accuracy differed by image type and lag in the two groups at the trend level and revealed a large drop in performance 200 ms following presentation of disgusting images in the HCF group. No such differences were observed at later lags in the task. There were increases in negative affect following the task for the HCF but not the LCF group, which were correlated with contamination fear scores. The results suggest that a disgust-related attention bias may be present at early stages of information processing in people with contamination fear.
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污染恐惧中注意力偏向厌恶的证据
尽管注意力偏差在各种焦虑症中很常见,但对于强迫症中的注意力偏差还没有达成共识。我们使用情绪注意眨眼范式,在对污染恐惧感高(HCF)或低(LCF)的大学生样本中评估了对涉及污染和厌恶的图像的注意力偏见。呈现中性、一般威胁、污染和厌恶相关的图像(T1),然后在200、500或800毫秒后,在20张图像的快速序列视觉呈现流中进行辨别任务(T2)。HCF组在注意力眨眼任务上总体上不太准确。在趋势水平上,两组的反应准确度因图像类型和滞后而不同,并显示HCF组在呈现恶心图像后200毫秒的表现大幅下降。在任务的后期滞后中没有观察到这种差异。任务完成后,HCF组的负面影响有所增加,但LCF组没有,这与污染恐惧评分相关。研究结果表明,在有污染恐惧症的人的信息处理的早期阶段,可能存在与厌恶相关的注意力偏差。
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来源期刊
Journal of Experimental Psychopathology
Journal of Experimental Psychopathology Medicine-Psychiatry and Mental Health
CiteScore
2.00
自引率
0.00%
发文量
19
审稿时长
11 weeks
期刊介绍: The Journal of Experimental Psychopathology (EPP) is an open access, peer reviewed, journal focused on publishing cutting-edge original contributions to scientific knowledge in the general area of psychopathology. Although there will be an emphasis on publishing research which has adopted an experimental approach to describing and understanding psychopathology, the journal will also welcome submissions that make significant contributions to knowledge using other empirical methods such as correlational designs, meta-analyses, epidemiological and prospective approaches, and single-case experiments.
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