Comparison of receptive field parameters for monosynaptic functionally connected neurons (N = 1203 pairs).

<p>Each data point represents a connected pair. The abscissa (<i>Pre</i>) represents the parameter value for the neuron in the pair that responded first, or was <i>Presynaptic</i>, according to the peak delay in the cross-covariance function. The ordinate (<i>Post</i>) represents the neuron whose response came after the other neuron in the pair, or was <i>Postsynaptic</i>. (A) Feature Selectivity Index (r = 0.333, p<0.01). (B) STRF Separability (r = 0.178, p<0.01). (C) Phase Locking Index (r = 0.428, p<0.01). (D) Firing Rate (r = 0.129, p<0.01). (E) Temporal Best Modulation Frequency (r = 0.476, p<0.01). (F) Spectral Best Modulation Frequency (r = 0.445, p<0.01; t-test used for all comparisons).