Reward-Based Transfer From Bottom-Up to Top-Down Search Tasks

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Recent evidence has suggested that reward modulates bottom-up and top-down attentional selection and that this effect persists within the same task even when reward is no longer offered. It remains unclear whether reward effects transfer across tasks, especially those engaging different modes of attention. We directly investigated whether reward-based contingency learned in a bottom-up search task was transferred to a subsequent top-down search task, and probed the nature of the transfer mechanism. Results showed that a reward-related benefit established in a pop-out-search task was transferred to a conjunction-search task, increasing participants' efficiency at searching for targets previously associated with a higher level of reward. Reward history influenced search efficiency by enhancing both target salience and distractor filtering, depending on whether the target and distractors shared a critical feature. These results provide evidence for reward-based transfer between different modes of attention and strongly suggest that an integrated priority map based on reward information guides both top-down and bottom-up attention.
Publisher
SAGE PUBLICATIONS INC
Issue Date
2014-02
Language
English
Article Type
Article
Keywords

VISUAL SALIENCE MAP; PARIETAL CORTEX; ATTENTIONAL CONTROL; SELECTION; PRIORITY; BEHAVIOR; TARGETS

Citation

PSYCHOLOGICAL SCIENCE, v.25, no.2, pp.466 - 475

ISSN
0956-7976
DOI
10.1177/0956797613509284
URI
http://hdl.handle.net/10203/240181
Appears in Collection
GCT-Journal Papers(저널논문)
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