The technique of developing the subconscious is daily training meditation on the flame of a candle (hypnotic); the first result will appear in half a year - aroma, vision with closed eyes, etc. the main thing - no matter how overwhelmed you are by the results - do not stop your daily workout.
The only effective way to develop the subconscious and other abilities is hypnosis. This method was used by priests, shamans, fakirs, etc. from time immemorial, and the method of hypnosis is attested in ancient Egyptian manuscripts. In addition, a person with the help of a competent specialist can learn self-hypnosis, self-hypnosis and self-regulation. The scientific justification for the development of extrasensory perception was given by V.B. Polyakov in the work "Psychic Workshop".
There are. Watch on my channel. Stopping the internal dialogue, seeing the aura, the etheric field, working with energy. Everything is open source and completely free. The main thing is to do it seriously.
Read Yuri Gorny. He constantly pointed out that memory is the key to developing superpowers. Which needs to be trained, and here it is necessary to achieve a result that is much above average. And by the way, this truly great mentalist was a merciless debunker of psychics) http://www.nkj.ru/archive/articles/4267/
There are no such techniques. And, apparently, all of humanity is not at all developed extrasensory or other miraculous abilities. Because for the demonstration of such abilities, the James Randy Foundation will pay 1 million dollars. You just need to demonstrate your skills in a controlled experiment. So far, no "magician" on earth has been able to pass this exam.
Of course there are! For example, if you get carried away with science, then you will have an extrasensory gift with which you are 100% likely to feel the lack of extrasensory abilities in others. I have such a gift. And yes, you don't have psychic abilities, I FEEL it.