did not reach statistical significancep < 10 −10
Both fast and slow timescales of cross-correlations increased with the RF-center distance in both monkeys, but the increase in the fast timescale did not reach statistical significance in monkey N ( τ 2 : p < 10 −10 , τ 1 : p G < 10 −10 , p N = 0.36, two-sided Wilcoxon rank-sum test), possibly due to narrower range of RF-center distances in monkey N compared to monkey G (median d RF,N = 0.77, d RF,G = 2.08 dva).