That's something different from the system that is the pleasure system, which simply says, "I like this." The pleasure system, as you see, which is the internal opiates, there is a hormone oxytocin, is widely spread throughout the brain.
Eso es diferente del sistema del placer, que dice, simplemente, "esto me gusta". El sistema del placer, como ven, que son los opiatos internos, la hormona oxitocina, está distribuida en el cerebro.