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Cell type classification based on visual response. (A–C) Cell were classified into ON, OFF, or ON-OFF types based on the polarity of their response to a full-field light stimulus (duration of 1 s indicated by the shaded box). Light stimulation was applied 30 times; raw waveforms for 5 consecutive presentations (out of 30) are shown for a typical cell of each type. PSTHs for all cell types are shown at bottom (time bin = 10 ms).
