If we had discovered ketamine as a paravaccine first, it'd be pretty easy for us to develop it, but as is, we have to compete with our functional fixedness and mental set that kind of interfere.
Se descubrísemos a ketamina  primeiro com unha paravacina, sería bastante doado desenvolvérmola, pero temos que competir contra a fixación funcional e os construtos mentais que interfiren.