Subjects: Psychology >> Developmental Psychology submitted time 2023-03-28 Cooperative journals: 《心理科学进展》
Abstract： Sound-induced Flash Illusion (SiFI) is an auditory-dominated multisensory integration phenomenon that occurs when flashes presented in conjunction with an incongruent number of auditory sounds results in the flashes being perceived as equal in number to the auditory sounds. Here we summarize several factors that could impact on SiFI: (1) Bottom-up variance factors comprising physical properties (i.e., spatial characteristics of stimuli, differences in stimulus intensity, and time interval between audiovisual stimuli), top-down variance factors comprisingcognitive processes (i.e., attention, feedback patterns, and cognitive expectations), and between-subjects variance factors, such as the dependence for audiovisual stimuli, the ability to integrate audiovisual stimuli, and perceptual sensitivity to audiovisual stimuli; (2) Cognitive processing stages and neural mechanisms of SiFI (i.e., related brain regions). Future studies should focus on the effects of cognitive processes such as attention, reward, audiovisual integration on SiFI. The effects of SiFI on memory and learning should also be explored in future research. In addition, future studies combining computational models and neuroscience should further explore the cognitive and neural mechanisms of SiFI.
Subjects: Psychology >> Social Psychology submitted time 2023-03-27 Cooperative journals: 《心理学报》
Abstract： Task-irrelevant negative emotional stimuli can divert attention away from the current task, thus resulting in lower performance on the current task. This attentional bias to task-irrelevant emotional stimuli was explained by the hypothesis in the aspects of the automatic processing of emotional information, the attentional biased competition or the perceptual load. Despite increasing studies showed that attention could be caught by task-irrelevant representations maintained in working memory (i.e., memory-driven attentional capture), there have been few, if any, studies specifically examining attentional capture by representations of negative emotional stimuli in working memory. Such issue is helpful for better understanding the mechanism of visual attentional capture of unwanted memory (such as intrusive memory), which has important clinical implications for individuals with traumatic experiences or emotional disorders. In this study, a dual-task paradigm consisting of a working memory task and a visual search task was performed with emotional pictures as stimuli. Beyond the end-of-search manual reaction times, the first fixation proportion was used to investigate the effects of the representations of task-irrelevant negative emotional stimuli on attentional selection at early stage of visual search task. In experiment 1, the effects of the valence (negative vs. neutral) of task-irrelevant emotional stimuli on attentional capture were investigated. In experiment 2, neutral emotional stimuli were used as the target in order to eliminate the competitive priority for emotional targets over the distractors. In addition, such manipulation could get an opportunity to compare the difference in attentional capture induced by negative emotional distractors between perceptual level and working memory level. The results showed that (1) negative emotional distractors elicit stronger attentional capture than neutral ones when no memory-matched distractor was included in the visual search display; (2) memory-matched distractors caught more attention than those that do not match the representations in working memory, indicating memory-driven attentional capture; (3) the memory-driven attentional capture was not affected by the emotional valence of representations in working memory; and (4) as indicated by the dwell time of the first fixation, after being caught by the memory-matched distractors, attention was accelerated to disengage from those distractors, so that the attentional capture effect indicated by the reaction time was suppressed (in Experiment 1) and even reversed (in Experiment 2). It can be concluded that (1) in the early attentional selection stage, memory-driven attentional capture is not affected by the valence of task-irrelevant emotional stimuli in working memory; and (2) after the early attentional capture stage, cognitive control prompts attention to quickly disengage from the memory-matched distractors, and its effect is modulated by the emotional valence of target.
Subjects: Psychology >> Cognitive Psychology submitted time 2020-09-29
Abstract： 研究通过分析视觉搜索任务的首次注视点和行为反应时，探讨无关工作记忆表征的负性情绪信息对视觉注意选择的影响。实验1发现在反映早期注意选择的首次注视点百分率指标上，不管工作记忆表征的情绪效价如何，均出现了显著的注意捕获效应；实验2发现当采用中性情绪靶子刺激时，首次注视点百分率指标上仍表现出了稳健的注意捕获效应；在首次注视点持续时间指标上，实验1和实验2均发现记忆匹配条件的干扰刺激显著小于控制条件的干扰刺激，表现出注意的快速脱离；而在行为反应时指标上，早期的注意捕获效应消失（实验1），甚至被反转为注意抑制效应（实验2）。这些结果表明在早期注意选择阶段，记忆驱动的注意捕获效应不受工作记忆表征情绪效价的影响，但认知控制会在早期注意捕获之后促使注意快速脱离记忆匹配的干扰刺激，其作用效果受靶子刺激情绪效价的调节。
Peer Review Status:
Awaiting Review
Subjects: Psychology >> Cognitive Psychology submitted time 2020-05-25
Abstract： "
Peer Review Status:Awaiting Review
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