Visual attention circuitry in schizophrenia investigated with oddball event-related functional magnetic resonance imaging.

@article{Gur2007VisualAC,
  title={Visual attention circuitry in schizophrenia investigated with oddball event-related functional magnetic resonance imaging.},
  author={Raquel E. Gur and Bruce I. Turetsky and James Loughead and Wendy Snyder and Christian G. Kohler and Mark A. Elliott and Ramapriyan Pratiwadi and John Daniel Ragland and Warren B. Bilker and Steven J. Siegel and Stephen J. Kanes and Steven Edward Arnold and Ruben C. Gur},
  journal={The American journal of psychiatry},
  year={2007},
  volume={164 3},
  pages={442-9}
}
OBJECTIVE Schizophrenia patients have problems directing attention. Sustained attention requires ensuring that brain resources are focused on a selected target (top-down task) while ignoring irrelevant distractors (bottom-up interference). Whether patients have too little ability to focus or too much interference from distraction has not been clarified. The oddball paradigm embeds infrequent targets and distractors into the stimulus train, and schizophrenia deficits have been linked to… CONTINUE READING