english: This is a recent study by the neurobiologist Paul Thompson and his colleagues in which they -- using MRI -- measured the distribution of gray matter -- that is, the outer layer of the cortex -- in a large sample of pairs of people.
non_english: Toto je nedávna štúdia neurobiológa Paula Thompsona a jeho kolegov, v ktorej -- s pomocou magnetickej rezonancie -- merali rozloženie šedej hmoty -- to je vonkajšia vrstva mozgovej kôry -- na veľkej vzorke dvojíc ľudí.