This told us that the new neurons were not born by division of existing neurons, but were born elsewhere in the brain and went through a migratory stage during which they were not recognized as neurons.
Esto nos indicó que las nuevas neuronas no nacían de la división de neuronas existentes, sino que nacían en otra parte del cerebro y atravesaban por una etapa migratoria durante la cual no eran reconocidas como neuronas.