Patient assessment based on a theory of visual attention (TVA): subtle deficits after a right frontal-subcortical lesion.

@article{Habekost2003PatientAB,
  title={Patient assessment based on a theory of visual attention (TVA): subtle deficits after a right frontal-subcortical lesion.},
  author={Thomas Habekost and Claus Bundesen},
  journal={Neuropsychologia},
  year={2003},
  volume={41 9},
  pages={1171-88}
}
We report on a patient who complained of reduced awareness in the left visual field, but showed no visual neglect or extinction in clinical testing. By MR scanning, the brain damage was localized to the right basal ganglia, also involving structures in right frontal cortex. Using psychophysical testing and mathematical modeling based on Bundesen's theory of visual attention [TVA; Psychol. Rev. 97 (1990) 523], the patient's subjective experience of attentional disturbance was confirmed, and the… CONTINUE READING
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