1. Department of Data and Information, Children’s Hospital Zhejiang University School of Medicine, Hangzhou 310052, China;
2. Sino-Finland Joint AI Laboratory for Child Health of Zhejiang Province, Hangzhou 310052, China;
3. Pediatric Medicine Engineering and Information Research Center, National Clinical Research Center for Child Health, Hangzhou 310052, China;
4. Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China
Abstract：The serial-position effect is a noteworthy issue in the study of working memory. The present study investigated the working memory serial-position effect for event. We employed the change detection paradigm of working memory and required the participants to remember five biological motion event presented in the sequence. Consistent results were found in both accuracy and reaction time: only the accuracy of the last event in the sequence was significantly higher than that of other positions, and the reaction time was significantly lower than that of other positions. That is, there was a significant recency effect in sequence working memory of event, but no primacy effect. The serial-position effect of event working memory is similar to that of other visual objects (such as color, orientation), but different from that of event long-term memory.
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