A unified mathematical model for the non-classical receptive field of ganglion cells in the retina
نویسندگان
چکیده
A mathematical model for receptive field of retinal ganglion cell is proposed. This model includes the effect of the non-classical receptive field, which is resulted from the cross-inhabitation between the amacrine cells. This model also concerns the nonlinear effect of the photoreceptors so that unifies the X and Y ganglion cells. The null-test response of the X cell, the on-off response of the Y cell, spot-area response curves and spatial frequency tuning curves of the X and Y cells are all simulated successfully. These results show that the non-classical receptive field is important on the spatial frequency response of the retinal ganglion cell.
منابع مشابه
A Unified Neural Network Model of Spatio-Temporal Processing in X and Y Retinal Ganglion Cells. I: Analytical Results
This article makes use of a push-pull shunting network, which was introduced in the companion article, to model certain properties of X and Y retinal ganglion cells. Input to the push-pull network is preprocessed by a nonlinear mechanism for temporal adaptation, which is ascribed here to photoreceptor dynamics. The complete circuit is used to show that a simple change in receptive field morphol...
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