The file MEG_decoding_RDMs.mat contains a 5-dimensional matrix of decoding accuracies with dimensions: 15 (subjects) * sessions (1) * time points (1101, from -100 to *1000ms wrt to stimulus onset (at 0ms)) * conditions (118) * conditions (118) The last 2 dimensions form represeentational dissimilarity matrices, symmetric across the diagonal, with the diagonal undefined (NaN).