Perception of ambiguous figures after focal brain lesions

@article{Ricci1990PerceptionOA,
  title={Perception of ambiguous figures after focal brain lesions},
  author={Carlo Ricci and Carlo Blundo},
  journal={Neuropsychologia},
  year={1990},
  volume={28},
  pages={1163-1173}
}
Forty patients with unilateral frontal or posterior brain damage and 20 normal control subjects were tested on an ambiguous figures task (AFT). For each figure they were asked to recognize both ambiguous images. Subjects failing to recognize the second aspect of an ambiguous figure were prompted with the name of the image not yet perceived. The Wisconsin Card Sorting Test (WCST) was also administered to all subjects. Frontal patients exhibited greater difficulty in shifting from one aspect of… CONTINUE READING

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