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Kovacs, I. ., Polat, U. ., Pennefather, P. ., Chandna, A. ., & Norcia, A. M. (2000). A new test of contour integration deficits in patients with a history of disrupted binocular experience during visual development. Vision ResVision Res, 40, 1775-1783.
Pennefather, P. ., Chandna, A. ., Kovacs, I. ., Polat, U. ., & Norcia, A. M. (1999). Contour detection threshold: repeatability and learning with ‘contour cards’. Spatial VisionSpatial Vision, 12, 257-266.