Yes it is.
Hypnosis is an excellent method as is meditation.
All Like Minded Folk Welcome
yes it can be done.
I have found that the wall between the subconscious and the conscious can be temporarily breached by conditions of extreme stress. It’s like stepping through the looking-glass. Wear your galoshes–it can be stormy in there.
Actually it is pretty easy.
Get the book a course in miracles.
It is written in christian terminology but if you can get past that it is a great resource for doing just what you are asking.
Love and blessings Don