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...

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.