Quote Originally Posted by Rusal View Post
I could see why Ni+Te could be termed ‘advanced’. But, going by the workings of Ni en Beta, ants should have Ni. Si thrives when stability is reached, and nature is not kind. IEs are not that linear with humans and they paint 'epochs' in terms of what is advanced.
Irrational functions simply perceive what's happening, either on the inside or on the outside. Rational functions are founded on reason. It's a more developed kind of mental activity. I don't have the exact source now, but it might have been "Psychological types".

Like Si for example, it simply perceives the impressions that the psyche produces. That's all.