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We approximated the spatial and temporal bandpass characteristics for each of the ganglion cell types measured by the raster technique. Here are the regions of activity for each cell type. The OFF cells seem to form discrete and separate regions that together span the full space-time domain. The ON cells are more problematical. Some of the specialized cells like the DS and Bistratified cells do not separate so neatly.
Each Ganglion Cell Occupies a Specific Subregion of Visual Space