Not all information in visual working memory is forgotten equally |
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| Institution: | 1. Department of Psychology, Louisiana State University, United States;2. Department of Psychology, Willamette University, United States;3. Department of Psychology, Seton Hall University, United States;1. Memory Attention and Perception Laboratory, Cognitive Sciences Department, University of California, Irvine, CA, USA;2. Laboratory of Brain Processes, Department of Psychology, Ohio State University, Columbus, OH, USA;1. Soreq Nuclear Research Center, Yavne, Israel;2. Physics Department, Ben Gurion University of the Negev, Beersheva, Israel;3. Physics Unit, Sami Shamoon College of Engineering, Beersheva, Israel;4. Nuclear Engineering Unit, Ben Gurion University of the Negev, Beersheva, Israel;5. Nuclear Research Center Negev, Beersheva, Israel;6. Department of Biotechnology, Ben Gurion University of the Negev, Beersheva, Israel;1. School of Psychological Science, University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, Australia;2. School of Psychology, Curtin University, Kent Street, Bentley, WA 6102, Australia |
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| Abstract: | To improve maintenance of task-relevant information in visual working memory (VWM), previously encoded, but no longer relevant, information can be suppressed or forgotten. However, it is unclear whether a cue directing attention to a subset of stimuli leads to complete forgetting for non-cued stimuli. The current study utilized a novel method of testing to-be forgotten information to determine if the effectiveness of forgetting differs depending on the type of encoded stimuli. Participants performed a directed forgetting change detection task, and importantly, the changed stimulus could be a novel stimulus or a to-be-forgotten stimulus. Stimulus type (colors, objects, or shapes) was manipulated across two experiments. Results suggest that a cue benefits memory for to-be-remembered information, but performance is not equivalent to never encoding to-be-forgotten information. Furthermore, the type of encoded information impacts the extent of forgetting. |
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| Keywords: | Directed forgetting Visual working memory Complete forgetting Partial forgetting |
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