Neural Basis of Endogenous and Exogenous Spatial Orienting: A Functional MRI Study

@article{Rosen1999NeuralBO,
  title={Neural Basis of Endogenous and Exogenous Spatial Orienting: A Functional MRI Study},
  author={Allyson C. Rosen and Stephen M. Rao and Paolo Caffarra and Augusto Scaglioni and Julie A. Bobholz and Scott J. Woodley and Thomas A. Hammeke and Joseph M. Cunningham and Thomas E. Prieto and Jeffrey R. Binder},
  journal={Journal of Cognitive Neuroscience},
  year={1999},
  volume={11},
  pages={135-152}
}
Whole-brain functional magnetic resonance imaging (MRI) was used to examine the neural substrates of internally (endogenous) and externally (exogenous) induced covert shifts of attention. Thirteen normal subjects performed three orienting conditions: endogenous (location of peripheral target predicted by a central arrow 80 of the time), exogenous (peripheral target preceded by a noninformative peripheral cue), and control (peripheral target preceded by noninformative central cue). Behavioral… 
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