This study is part of an on-going investigation of so called "critical periods" in development and brain functional plasticity. Specifically, this paper examines the role of motivation in reversing stimulus deprivation amblyopia induced during the "critical period". Kittens were deprived of vision in one eye (through the use of opaque contact lenses) from age 5 weeks to age 19 weeks. During this period (5 weeks to 19 weeks of age) the kittens were trained and tested for monocular acuities in the non-occluded eye. At the end of the occlusion period, visually evoked potentials were recorded from these kittens to verify the presence of the deprivation amblyopia.
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