| Summary: | 碩士 === 國立中正大學 === 心理學系臨床心理學研究所 === 105 === Aim: Worry is described as an anxious apprehension for future or negative events. Previous research suggested that biased information processing to threat and disability of attention control could induce and maintain worry. Recently, researchers try to recognize other cognitive and behavioral processes related to worry. So far, intolerance of uncertainty (IU) has shown its influence to worry. Also, Carleton (2012) suggested that IU could induce worry through the biased information processing to threat or uncertain stimuli. The aim of this research is to investigate how IU effects attentional bias based on cognitive theory of Hirsch and Mathews (2012).
Methods: This study comprised 39 subjects scored high and 32 subjects scored low on Intolerance of Uncertainty Scale (IUS). All the participants are recruited form university and all participants completed dot-probe task, emotional Stroop task and attention network test.
Results: Though the result shows that the attentional bias to uncertain stimuli of two groups are indifferent, however, the alerting network is more active in participants with high IU, and the inhibitory abilities could be disturbed when exposed to threatening stimuli. The participants with high IU are more vigilant to general stimuli in environment and more possible to notice stimuli with uncertainty, also, with disturbed inhibitory abilities, the level of worry might arise.
Conclusion: There are numbers of limitations in this research including failure to control other traits relating to IU, and the results cannot be generalized to clinical samples. Future study should also include uncertain stimuli to attention bias modification, in order to reduce symptoms of anxiety disorders.
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