Modeling the auditory functions in the primary cortex

Kuansan Wang; Shihab A. Shamma

doi:10.1117/12.172243

1 July 1994 Modeling the auditory functions in the primary cortex

Kuansan Wang, Shihab A. Shamma

Author Affiliations +

Optical Engineering, Vol. 33, Issue 7, (July 1994). https://doi.org/10.1117/12.172243

Abstract

Neurons in the primary auditory cortex exhibit distinctive selectivities in responses to various acoustic features. Recent physiological studies suggest that there are three spatial dimensions along which the neural response patterns can be systematically organized: the tuning frequencies of the neurons are logarithmically mapped on the tonotopic axis, and the shapes of the tuning curves, in terms of symmetry and bandwidth, vary gradually along two other spatial dimensions. It is shown that these variations can be effectively modeled by a complex wavelet transform. With such a tie, one can employ well-established wavelet theories to analyzing and understanding how acoustic signals are processed in the auditory system, and thereby design novel engineering applications that are perceptually oriented.

Citation Download Citation

Kuansan Wang and Shihab A. Shamma "Modeling the auditory functions in the primary cortex," Optical Engineering 33(7), (1 July 1994). https://doi.org/10.1117/12.172243

Published: 1 July 1994

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