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Model of MT and MST areas using an autoencoder

Author

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  • Katayama, Katsuki
  • Ando, Masataka
  • Horiguchi, Tsuyoshi

Abstract

We propose a model for a system with middle temporal neurons and medial superior temporal (MST) neurons by using a three-layered autoencoder. Noise effect is taken into account by using the framework of statistical physics. We define a cost function of the autoencoder, from which a learning rule is derived by a gradient descent method, within a mean-field approximation. We find a pair of values of two noise levels at which a minimum value of the cost function is attained. We investigate response properties of the MST neurons to optical flows for various types of motion at the pair of optimal values of two noise levels. We obtain that the response properties of the MST neurons are similar to those obtained from neurophysiological experiments.

Suggested Citation

  • Katayama, Katsuki & Ando, Masataka & Horiguchi, Tsuyoshi, 2003. "Model of MT and MST areas using an autoencoder," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 322(C), pages 531-545.
    • Handle: RePEc:eee:phsmap:v:322:y:2003:i:c:p:531-545
    DOI: 10.1016/S0378-4371(02)01803-4
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