I've been reading a lot about emotional responses lately, and the following points seem to surface in different writings:

"Amygdala is a very ancient system, intended to quickly alert a person of danger".

At the same time, we have a part of our consciousness, where thoughts of danger, lack or negativity towards others may arise. I've seen spiritual/personal development writers attribute these thoughts to the function of the ego. I'm not sure if they are using the term correctly, as they have a mostly negative perception of the ego, as something that strives to dominate cognition and act out of fearful/selfish desires. Here's a description from wikipedia:

The ego is the organized part of the personality structure that includes defensive, perceptual, intellectual-cognitive, and executive functions.

I'm trying to understand - Is person's ego a projection of the responses of their amygdala onto the conscious experience?

I've looked around and see some bloggers like this one make a claim that the amygdala and the ego are one and the same. Is this true?

To clarify my question - I'm seeking to understand if there's a structure/process in cognition that integrates input from various "lower mammal brain" structures and translates them into thoughts?