What did Sigmund Freud consider as the key to understanding the psychosomatic conditions he observed?

The unconscious mind.

Explanation:

Psychosomatic conditions is a nervous disorder like dermatitis, hypertension, migraine and so on. And according to Sigmund Freud the UNCONSCIOUS mind is the key to understand the aforementioned disorders, that is psychosomatic conditions. The unconscious mind is a kind of thing that hide some Behaviors that we, ourselves do not know about. This unconscious mind was explained detailed in the Freudian analysis. According to Sigmund Freud, the unconscious mind is like a reservoir for thoughts and memories.

well when looking at this if you think about it   negativley and positivley   react with each other and when the first layer gets full they add layers it starts with 2 on the first layer and it constantly goes on until the official number is there

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