The traditional spike-triggered average method is always used to calculate the receptive fields. According to the improved spike-triggered average method, we calculated the receptive fields of ganglion cells in the bullfrog retina. The results showed that the receptive fields have dynamic spatiotemporal structure, both the response delay in the time domain and the receptive field size in the space domain possess the time-variant properties.
Receptive field Spike-triggered average Spatiotemporal structure Retinal ganglion cell
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This work was supported by grants from the National Natural Science Foundation of China (No. 60775034) and the National Basic Research Programme of China (No. 2005CB724301).
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