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2. Glendenning, R. L. Effects of training between two unilateral lesions of visual cortex upon ultimate retention of black-white habits by rats. Journal of Comparative & Physiological Psychology, 1972, 80, 216–229.
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5. Howarth, H. H., Meyer, D. R., & Meyer, P. M. Perinatal injuries to the visual cortex enhance the significance of extra-visual cortex for performance of a visual habit. Physiological Psychology, 1979, 7, 163–166.