The role of memory during visual search in natural scenes

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Memory-based attentional control plays an important role in visual search. In the present study, I investigated the nature of memory during searching a target object embedded in a natural scene. The results demonstrated that 1) the search difficulty for each scene was consistent across individuals and the scene contexts rather than physical properties contributed to the search efficiency, 2) learning of the scene did not affect the relative difficulty of search for each scene, and 3) the scene contexts in visual short-term memory consisted of objects that were attended during the learning phase.