Monkeys with ablation of lateral striate, prestriate or inferotemporal cortex were compared with unoperated controls in their ability to discriminate Munsell colours, or greys, of increasing difficulty. Whereas lateral striate or prestriate lesions centred on visual area V4 mildly impaired only the most difficult discriminations, inferotemporal ablation resulted in a severe impairment in the acquisition of colour discriminations. However, the ability to discriminate greys was much less affected.
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Heywood, C.A., Shields, C. & Cowey, A. The involvement of the temporal lobes in colour discrimination. Exp Brain Res 71, 437–441 (1988). https://doi.org/10.1007/BF00247504
- Cortical visual areas
- Colour discrimination