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

Figure 7

Frequency histograms of response index for each SOA condition from 208 collinear (A), 52 parallel (B).

The mean indices were 91.23±18.40 and 96.28±15.24, respectively. These means are significantly less than 100% (Wilcoxon signed-rank test, all p<10−7). The proportions of significant suppression and facilitation (black bars) were 21.24 and 3.72% (A), and 9.44 and 5.07% (B), respectively. Note that suppression was more frequent than facilitation, for both collinear and parallel configurations, but this difference was larger for collinear condition.

Figure 7

doi: https://doi.org/10.1371/journal.pone.0047543.g007