When size matters: attention affects performance by contrast or response gain

@inproceedings{Herrmann2010WhenSM,
  title={When size matters: attention affects performance by contrast or response gain},
  author={Katrin Herrmann and Leila Montaser-Kouhsari and Marisa Carrasco and David J. Heeger},
  booktitle={Nature Neuroscience},
  year={2010}
}
Covert attention, the selective processing of visual information in the absence of eye movements, improves behavioral performance. We found that attention, both exogenous (involuntary) and endogenous (voluntary), can affect performance by contrast or response gain changes, depending on the stimulus size and the relative size of the attention field. These two variables were manipulated in a cueing task while stimulus contrast was varied. We observed a change in behavioral performance consonant… CONTINUE READING

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