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.
En un estudio reciente, el neurobiólogo Paul Thompson y sus colegas, usando IRM (resonancia magnética) midieron la distribución de la materia gris -la capa exterior de la corteza- en una amplia muestra de pares de personas.