Efficient visual search without top-down or bottom-up guidance.

@article{Wang2005EfficientVS,
  title={Efficient visual search without top-down or bottom-up guidance.},
  author={Deliang Wang and {\'A}rni Kristj{\'a}nsson and Ken Nakayama},
  journal={Perception & psychophysics},
  year={2005},
  volume={67 2},
  pages={239-53}
}
Two types of mechanisms have dominated theoretical accounts of efficient visual search. The first are bottom-up processes related to the characteristics of retinotopic feature maps. The second are top-down mechanisms related to feature selection. To expose the potential involvement of other mechanisms, we introduce a new search paradigm whereby a target is defined only in a context-dependent manner by multiple conjunctions of feature dimensions. Because targets in a multiconjunction task cannot… CONTINUE READING

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