Abstract
In the primary visual cortex, there are orientation-selective and ocular-dominance maps. These maps correlate with each other. Although many models have been proposed which explain the formation of the orientation-selective map and the ocular-dominance map, these models contain a physiologically implausible process. It is indicated that spike-timing-dependent plasticity (STDP) can yield a “topographic map” without any constraints. We show that large STDP time constants yield the orientation-selective map, and small STDP time constants yield the ocular-dominance map. This result suggests that the relationship between the orientation-selective and the ocular-dominance maps can be explained by the modulation of STDP time constants.
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This work was presented in part at the 14th International Symposium on Artificial Life and Robotics, Oita, Japan, February 5–7, 2009
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Iwayama, K., Aihara, K. & Suzuki, H. Self-organization of orientation-selective and ocular-dominance maps through spike-timing-dependent plasticity. Artif Life Robotics 14, 371–374 (2009). https://doi.org/10.1007/s10015-009-0687-9
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DOI: https://doi.org/10.1007/s10015-009-0687-9