Because, starting in the 2060s, with the ability to record the neural activity in the brains of patients with these different mental diseases, rather than defining the diseases on the basis of their symptoms, as we had at the beginning of the century, we started to define them on the basis of the actual pathology that we observed at the neural level.
Porque, a partir de 2060, com a capacidade de gravar a atividade neural nos cérebros de pacientes com diferentes doenças neurológicas, em vez de definir as doenças com base em seus sintomas, como era no começo do século, começamos a defini-las com base na patologia observada no nível neural.