I am a spiritualist, i see spirits and can even talk to them if they want to talk to me. It sounds to me that you have just put a block up on yourself. I block myself when I am out in public because there is such a rush of spirits wanting to talk.These people had nothing to do with it. What you talk about sounds like an exorcism to me. It is simply the power of suggestion by which they helped. You just have to focus yourself an take the block down that you have set up