Affective valence, stimulus attributes, and P300: color vs. black/white and normal vs. scrambled images.

@article{Cano2009AffectiveVS,
  title={Affective valence, stimulus attributes, and P300: color vs. black/white and normal vs. scrambled images.},
  author={Maya E. Cano and Quetzal A. Class and John Polich},
  journal={International journal of psychophysiology : official journal of the International Organization of Psychophysiology},
  year={2009},
  volume={71 1},
  pages={17-24}
}
Pictures from the International Affective Picture System (IAPS) were selected to manipulate affective valence (unpleasant, neutral, pleasant) while keeping arousal level the same. The pictures were presented in an oddball paradigm, with a visual pattern used as the standard stimulus. Subjects pressed a button whenever a target was detected. Experiment 1 presented normal pictures in color and black/white. Control stimuli were constructed for both the color and black/white conditions by randomly… CONTINUE READING

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