A per-participant PCA/GMM reanalysis of the Horikawa emotion fMRI data finds 11 to 14 stable clusters per person and near-zero normalized mutual information with group-averaged emotion ratings, not the original category mappings.
The lower the reconstruction loss is, the better the original data was able to be recovered
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Exploring Theory-Laden Observations in the Brain Basis of Emotional Experience
A per-participant PCA/GMM reanalysis of the Horikawa emotion fMRI data finds 11 to 14 stable clusters per person and near-zero normalized mutual information with group-averaged emotion ratings, not the original category mappings.