You are deluded if you think that the world around you is a physical construct separate from your own mind.

If we look upon the earth as a place where our 'higher selves' have come to learn, to experience, or even to be judged, then the splitting of realities that occurs with the many-worlds interpretation is merely an extension of these functions.

Holographic Theory shows that it is possible for our bodies to make decisions based on the experience of others.

All perception is the result of electrical impulses in the brain - the world of the individual is tantamount to a highly advanced computer running and analyzing programs in its working memory.