It might have been a single paragraph that was missing, or yet, even more subtle than that, a single letter, one out of three billion letters that was changed, that was altered, yet had profound effects in terms of how the brain functions and affects behavior.
Podia faltar um único parágrafo ou, ainda mais subtil do que isso, uma única letra, uma letra entre três mil milhões, que tivesse mudado,  que estivesse alterada e tivesse um efeito profundo no funcionamento do cérebro e afetasse o comportamento.