Fig. S10.
Clustering results for K = 3 and K = 4. Note that color is irrelevant, as each cluster is assigned at random by the clustering algorithm. (A) K = 3, stimulus-locked clusters; (B) K = 3, response-locked clusters; (C) K = 4, stimulus-locked clusters; and (D) K = 4, response-locked clusters. Note that, similar to the K = 2 case, there always emerged a grouping of channels that roughly matched the anatomical IPS and SPL groupings.