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Mosaics of small bistratified and ON-parasol cell receptive fields. Data are from six retinas. SBC receptive fields from retinas 1–4. Spatial profile of each cell is represented by the 1 SD contour of a two-dimensional Gaussian fit. Retinas 5 and 6 show simultaneously recorded SBC (left) and ON-parasol cell (right) receptive fields. Rectangles indicate the outline of the electrode array (1800 μm × 900 μm).
