Role of long-term memory in object-based attention for the maintenance of binding in visual working memory
Nana Sun, Han Han, Peijin Lyu, Ruijun Song

TL;DR
This study shows that long-term memory reduces the need for object-based attention to retain visual information when objects are familiar.
Contribution
The study demonstrates that long-term memory modulates the role of object-based attention in binding retention in visual working memory.
Findings
Consuming object-based attention impaired bindings more than features for unfamiliar objects.
This effect did not occur for familiar objects, indicating a role for long-term memory.
The effect was not due to memory set size or participant differences.
Abstract
Past research has suggested that binding retention requires more object-based attention than feature retention in visual working memory (VWM). Long-term memory (LTM) is also believed to contribute to VWM. We investigated whether LTM reduces the object-based attention required to maintain bindings. Participants were familiarized with specific items prior to the VWM task to establish LTM representations, and we included a Duncan task in the maintenance phase of the VWM task to consume object-based attention. Results revealed that consuming object-based attention disproportionately impaired bindings compared to features for unfamiliar objects but not for familiar ones (Experiment 1). This effect could not be attributed to differences in memory set sizes between the familiar-objects condition and the unfamiliar-objects condition (Experiment 2) or to differences among participants between…
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Taxonomy
TopicsNeural and Behavioral Psychology Studies · EEG and Brain-Computer Interfaces · Visual perception and processing mechanisms
