Is my ED psychohenic and can be reversed or not

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Hello to everyone, Im new here and have this problem...

I have suffered from ED for 7+years and want to know if it is psychogenic or not.

I have had extensive tests by numerous specialists and they have come to the conclusion that my ED is psychogenic in nature. Professor Ralph in London also said that my ED is purely psychogenic.

The problem is that my morning/nightime erections are non-existant and I cant get hard on my own to masturbate. I cant think of the last time i had a reliable erection and have come to the conclusion that surely there must be some sort of physical element involved.

My question is that if the ED was psychogenic then surely id be able to get hard on my own at the very least?