Visual form agnosia: a specific defect in visual recognition.

@article{Benson1968VisualFA,
  title={Visual form agnosia: a specific defect in visual recognition.},
  author={David Frank Benson and Jerry P. Greenberg},
  journal={Transactions of the American Neurological Association},
  year={1968},
  volume={93},
  pages={
          189-91
        }
}