Table 1.

Pearson's correlations between different measures and the number of spikes in the cluster and the number of clusters in the recording

	IsoIBG	IsoINN	ln(IsoD)	ln(LRatio)	Clusters
IsoIBG	●	■	■	■	0.28
IsoINN	0.55	●	■	■	−0.11
ln(IsoD)	0.5	0.47	●	■	0.16
ln(LRatio)	−0.57	−0.46	−0.91	●	−0.13
Spikes	−0.02	0.21	0.37	−0.26	●

Circles represent diagonal elements of table which all have value of 1.0. Squares represent redundant values that are symmetrical across the diagonal and were left out. Significant correlations (p < 0.05, n = 350, two-tailed test) are in bold.