Table 1.
The number of patients assigned to each cluster are shown, and their previous clinical PPA diagnosis is represented by the column labeled PPA. Values 1, 2, and 3 in the first column correspond to non-fluent/agrammatic, semantic and logopenic PPA, respectively, whereas HC represents healthy controls. Kn specifies the number of clusters, where n = 0, 1, .., N and N is a value between 4 and 8.