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. 2021 Nov 8;31(21):4839–4844.e4. doi: 10.1016/j.cub.2021.08.043

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© 2021 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Representational similarity analysis in A1 and the aTVAs

(A) Representational dissimilarity matrices (RDMs) showing percentile dissimilarities in pairwise fMRI response to the 16 sound subcategories for left and right A1 and aTVAs in both species, along with 3 comparison acoustical RMS (right column, top row) and 3 categorical RDMs (bottom row).

(B) Comparison between brain RDMs and acoustical RDMs (Spearman correlation). ^∗p < 0.05, Bonferroni-corrected.

(C) Comparison between brain RDMs and categorical model RDMs.

(D) 2D representation of dissimilarities within brain and comparison RDMs via multidimensional scaling. Large distances indicate large dissimilarities (low correlations). Blue disks, human RDMs; red disks, macaque RDMs; black disks, model RDMs; gray disks, acoustical RDMs; L, left hemisphere; R, right hemisphere.