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Developmental Differences in the Influence of Distractors on Maintenance in Spatial Working Memory
Anne R Schutte1, Brian A Keiser2, Heidi L Beattie3
1Center for Brain, Biology, and Behavior and the Department of Psychology, University of Nebraska-Lincoln.
Summary
Attention influences spatial working memory in children. Distractors biased 6-year-olds away from targets, while 3-year-olds were drawn to distractors, showing developmental changes in memory maintenance.
Area of Science:
- Cognitive Psychology
- Developmental Psychology
- Neuroscience
Background:
- Spatial working memory (SWM) is crucial for cognitive development.
- In adults, attention significantly impacts SWM maintenance.
- The role of attention and distractor effects in young children's SWM is less understood.
Purpose of the Study:
- To investigate if attention to location influences SWM in young children.
- To determine how distractors affect memory responses in 3- and 6-year-olds.
- To examine developmental changes in attentional influences on SWM.
Main Methods:
- Two experiments using a spatial working memory task with static target and distractor locations.
- Participants included 3-year-olds and 6-year-olds.
- Analysis of memory response biases in relation to distractor position and proximity.
Main Results:
- Six-year-olds' responses were repelled by nearby, outward distractors, indicating attentional avoidance.
- Three-year-olds' responses were attracted to outward, distant distractors, suggesting different attentional capture.
- Distractor proximity and location relative to the target modulated memory biases differently across age groups.
Conclusions:
- Attentional mechanisms play a significant role in spatial working memory maintenance in young children.
- Developmental differences exist in how children aged 3 and 6 years process distractors in SWM.
- These findings highlight the dynamic interplay between attention and memory during early childhood development.
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