I have found a nice paper
Jan Westerhoff, What it Means to Live in a Virtual World Generated by
Our Brain, Erkenntnis (2016) 81:507–528
The author considers the logical consequences from the theory that the
brain generates a virtual world. Below is how Richard Dawkins describes
the theory in his book Unweaving the Rainbow
"We move through a virtual world of our own brains’ making. Our
constructed models of rocks and of trees are a part of the environment
in which we animals live, no less than the real rocks and trees that
they represent."
"There is an easy way to demonstrate that the brain works as a
sophisticated virtual reality computer. First, look about you by moving
your eyes. As you swivel your eyes, the images on your retinas move as
if you were in an earthquake. But you don’t see an earthquake. To you,
the scene seems as steady as a rock. I am leading up, of course, to
saying that the virtual model in your brain is constructed to remain
steady."
Other proponents of the theory are Thomas Metzinger and Steven Lehar.
Westerhoff offers three accounts for such a theory: strong, weak and
irrealism. They differ from each other on the account of an external world.
The strong account implies a structural correspondence between the
virtual and external world. The week account just says that the external
world exists but one can add almost nothing to this end.
Irrealism on the other hand states the the external world is a part of
the virtual world. I guess that Bruno's theory is close to irrealism.
Evgeny
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