ISSN 0439-755X
CN 11-1911/B

Acta Psychologica Sinica ›› 2024, Vol. 56 ›› Issue (4): 412-420.doi: 10.3724/SP.J.1041.2024.00412

• Reports of Empirical Studies • Previous Articles     Next Articles

Cognitive mechanisms underlying the formation of offline representations in visual working memory

LI Ziyuan1, LEI Ming2, LIU Qiang1()   

  1. 1Institute of Brain and Psychological Science, Sichuan Normal University, Chengdu 610066, China
    2Psychological Research and Counseling Center, Southwest Jiaotong University, Chengdu 611756, China
  • Published:2024-04-25 Online:2024-01-18
  • Contact: LIU Qiang


Visual working memory plays a crucial role in understanding the dynamic changes of visual environment. According to the state-based models of working memory, memory representations can be stored in either an online or offline state, between which they flexibly transferred according to task requirements. However, it was currently unclear how offline memory representations formed. This study aimed to empirically examine two possible state transformation hypotheses: consolidation hypothesis and fade-away hypothesis. This study utilized a sequential-encoding-sequential-retrieval memory paradigm to effectively guide memory representations to be stored in two different storage states. We manipulated the interval delay and presentation time, which were relevant to the state transformation process. The results suggested that insufficient time caused overlap and resource competition between state transformation process of memory representations and active processing of subsequent new stimuli. These findings aligned with consolidation hypothesis, indicating that state transformation acted as a process of consolidating online memory representations into the offline state, thereby forming offline memory representations.

Key words: visual working memory, state-based models, offline representations, state transformation, consolidation