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Modulation of V1 Spike Response by Temporal Interval of Spatiotemporal Stimulus Sequence

Figure 2

Trial paradigm.

(A) A spatial layout of stimulus condition. A white cross indicates central fixation and the dashed white circle (invisible to the animal) represents the classical receptive field (RF). While the eye position was maintained within a window of 1 deg in radius centered about the fixation point, a static Gabor stimulus, S1, was first presented outside RF, and a second static Gabor stimulus, S2, was presented within RF. Both were presented for 20 ms each with a varying stimulus onset asynchrony (SOA), ranging from 0 to 100 ms. The animals’ task was to maintain central fixation and make a saccade following the target for liquid reward. (B) Temporal sequence of a trial.

Figure 2

doi: https://doi.org/10.1371/journal.pone.0047543.g002