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Sharper attentional tuning with target templates in long-term compared to working memory
Koeun Jung1, Suk Won Han2, Yoonki Min3
1Center for Cognition and Sociality, Institute for Basic Science (IBS), Expo-ro 55, Daejeon, 34126, Korea.
Psychonomic Bulletin & Review
|March 23, 2021
Summary
Attention shifts target representations away from distractors in both working and long-term memory. However, this attentional tuning effect is stronger when the attentional template is stored in long-term memory.
Area of Science:
- Cognitive Psychology
- Neuroscience
Background:
- Attention theories propose attentional templates in memory guide target selection.
- Previous research shows feature shifts away from distractors, especially with similar items.
Purpose of the Study:
- Investigate attentional template effects in working memory versus long-term memory.
- Examine how target-distractor relationships influence attentional selection and representation shifts.
Main Methods:
- Participants searched for a variable target (working memory) or a stable target (long-term memory).
- Measured attentional selection and feature representation shifts based on target-distractor relationships.
Main Results:
- Target features captured attention, and representations shifted away from distractors in both memory types.
- The representation shift effect was more pronounced for long-term memory attentional templates.
Conclusions:
- Contextual information (target-distractor relationships) influences attention and representation shifts, even with dynamic targets.
- Attentional tuning is robust but stronger when the attentional template is stable in long-term memory.
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