You are mixing feelings with emotions. Sadness is a feeling, but more specifically an emotion. A generic feeling is just amount of fitness to the pattern. The b

You are mixing feelings with emotions. Sadness is a feeling, but more specifically an emotion. A generic feeling is just amount of fitness to the pattern. The better the network is fit to recognize specific pattern (machine or human alike), it can be said the better "feeling" of the pattern it has. By the way, emotions won't be that difficult to implement once the feeling part will work.