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Did that just happen? Event segmentation influences enumeration and working memory for simple overlapping visual
Joan Danielle K Ongchoco1, Brian J Scholl1
1Yale University, United States.
Cognition
|March 22, 2019
Summary
Event endings, not beginnings, disrupt working memory. Asynchronous event endings cause forgetting, impacting how we perceive ongoing visual information and estimate quantities.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Visual Perception
Background:
- Efficient working memory requires both remembering and forgetting.
- Event boundaries are theorized to trigger memory flushing.
- Real-world visual experience involves continuous, asynchronous events.
Purpose of the Study:
- Investigate triggers for forgetting in working memory.
- Examine the role of asynchronous event boundaries in memory flushing.
- Determine if event beginnings or endings have a greater impact on memory.
Main Methods:
- Experiments used simple visual events (moving dots).
- Observers estimated the number of moving dots.
- Motion events began and ended asynchronously, with controlled motion and timing.
Main Results:
- Asynchronous motions generally led to underestimation.
- This underestimation was driven solely by asynchronous event endings.
- Asynchronous beginnings did not produce the same memory effect.
Conclusions:
- Event endings exert a significant influence on working memory.
- Forgetting is more pronounced when events end amidst other ongoing activities.
- The termination of an event, particularly when other events continue, impairs recall.
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