Title |
Opposing Subjective Temporal Experiences in Response to Unpredictable and Predictable Fear-Relevant Stimuli
|
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Published in |
Frontiers in Psychology, March 2018
|
DOI | 10.3389/fpsyg.2018.00360 |
Pubmed ID | |
Authors |
Qian Cui, Ke Zhao, Yu-Hsin Chen, Weiqi Zheng, Xiaolan Fu |
Abstract |
Previous studies have found that the durations of fear-relevant stimuli were overestimated compared to those of neutral stimuli, even when the fear-relevant stimuli were only anticipated. The current study aimed to investigate the effect of the predictability of fear-relevant stimuli on sub-second temporal estimations. In Experiments 1a and 1b, a randomized design was employed to render the emotional valence of each trial unpredictable. In Experiments 2a and 2b, we incorporated a block design and a cueing paradigm, respectively, to render the emotional stimuli predictable. Compared with the neutral condition, the estimated blank interval was judged as being shorter under the unpredictable fear-relevant condition, while it was judged as being longer under the predictable fear-relevant condition. In other words, the unpredictable and predictable fear-relevant stimuli led to opposing temporal distortions. These results demonstrated that emotions modulate interval perception during different time processing stages. |
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