What top-down task sets do for us: an ERP study on the benefits of advance preparation in visual search.

@article{Eimer2011WhatTT,
  title={What top-down task sets do for us: an ERP study on the benefits of advance preparation in visual search.},
  author={Martin Eimer and Monika Kiss and Susan Nicholas},
  journal={Journal of experimental psychology. Human perception and performance},
  year={2011},
  volume={37 6},
  pages={1758-66}
}
When target-defining features are specified in advance, attentional target selection in visual search is controlled by preparatory top-down task sets. We used ERP measures to study voluntary target selection in the absence of such feature-specific task sets, and to compare it to selection that is guided by advance knowledge about target features. Visual search arrays contained two different color singleton digits, and participants had to select one of these as target and report its parity… CONTINUE READING

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