Retinotopic organization of early visual spatial attention effects as revealed by PET and ERPs.

@article{Woldorff1997RetinotopicOO,
  title={Retinotopic organization of early visual spatial attention effects as revealed by PET and ERPs.},
  author={Marty G. Woldorff and Peter T. Fox and Mike Matzke and Jack L. Lancaster and S Veeraswamy and Frank E Zamarripa and M Seabolt and Thomas Gla\ss and Jia Hong Gao and Charles C. Martin and Paul Jerabek},
  journal={Human brain mapping},
  year={1997},
  volume={5 4},
  pages={280-6}
}
Cerebral blood flow PET scans and high-density event-related potentials (ERPs) were recorded (separate sessions) while subjects viewed rapidly-presented, lower-visual-field, bilateral stimuli. Active attention to a designated side of the stimuli (relative to passive-viewing conditions) resulted in an enhanced ERP positivity (P1 effect) from 80-150 msec over occipital scalp areas contralateral to the direction of attention. In PET scans, active attention vs. passive showed strong activation in… CONTINUE READING

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