i have neaver heard of it. i have heard of demonic spirits but not that. i actually suffer with evil spirits on a daily basis it sounds crazy but i am not crazy if you were to see me i am a normal person i just struggle to take control of my own mind sometimes. i have also atteneded a penticostal church before were they claimed they could see demons on people i dont know if it was true or not, give it over to god, read scriptures daily and also there is a book called battle field of the minds by joyce myers get it and read it:)
god bless you