grey matter moral reasoning

This image shows an MRI brain scan showing the grey matter volume.

Moral reasoning and gray matter volume. Increased gray matter volume was found in the bilateral vmPFC/sgACC for participants who reached the post-conventional level (n = 38) of moral development compared to participants who did not reach that level (n = 29). For illustration purposes, gray matter (GM) volume was plotted in both groups in the region identified in the whole-brain analysis (B) and in relation with the degree of DIT-2 post-conventional reasoning (i.e., the N2 score) (C). Image credit: Prehn et al./PLOS ONE.

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