Involvement of striate and extrastriate visual cortical areas in spatial attention

  title={Involvement of striate and extrastriate visual cortical areas in spatial attention},
  author={Ant{\'i}gona Mart{\'i}nez and Lourdes Anllo-Vento and Martin I. Sereno and Larry R. Frank and Richard B. Buxton and David J. Dubowitz and Eric C. Wong and Hermann Hinrichs and H. J. Heinze and Steven A. Hillyard},
  journal={Nature Neuroscience},
We investigated the cortical mechanisms of visual-spatial attention while subjects discriminated patterned targets within distractor arrays. Functional magnetic resonance imaging (fMRI) was used to map the boundaries of retinotopic visual areas and to localize attention-related changes in neural activity within several of those areas, including primary visual (striate) cortex. Event-related potentials (ERPs) and modeling of their neural sources, however, indicated that the initial sensory input… CONTINUE READING
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