How Well Does Brain Structure Predict Behaviour?

To what extent does brain structure correlate with different psychological traits? An interesting new paper from Massachusetts General Hospital researchers Mert R. Sabuncu and colleagues uses a new method to examine what the authors call the ‘morphometricity’ of various behaviours and mental disorders.

Sabuncu et al. define morphometricity as “the proportion of phenotypic variation that can be explained by macroscopic brain morphology” – in other words, the degree to which people with sim

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