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分别将情绪面孔图片作为线索(实验一)或靶子(实验二)呈现,利用线索-靶子范式考察了定位任务中情绪面孔加工对返回抑制的影响。结果发现:以不同情绪面孔作为线索时,返回抑制稳定出现,表现出与情绪加工的分离;而当情绪面孔作为靶子时,与中性面孔相比,情绪面孔引发的返回抑制量显著较小。该研究表明,在定位任务中,返回抑制不受线索生物性的影响,但是会受到靶子性质的影响,反映出机体在不同条件下对空间注意和情绪加工的灵活性。
The images of emotional faces were presented as clues (Experiment 1) or targets (Experiment 2) respectively. The clues-target paradigm was used to examine the effect of emotional face processing on the inhibition of return in locating tasks. The results showed that when different emotional faces were used as clues, return inhibition stably appeared and showed a separation from emotional processing. When emotional faces were targeted, the amount of return inhibition induced by emotional faces was significantly smaller than that of neutral faces. The study shows that in the positioning task, return inhibition is not affected by the clues of biological, but will be subject to the nature of the target, reflecting the body under different conditions on the spatial attention and emotional processing flexibility.