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Illusion - Is Seeing Really Believing?
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Illusion - Is Seeing Really Believing (1998)(Marshall Media)[Mac-PC].iso
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1997-02-04
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36 lines
Illusions are among our daily
perceptions, but a more general
answer to the question is the
one given in the first chapter:
Both illusions and veridical
percepts must be
manifestations of the same
lawful processes of perceptual
functioning. Therefore, we
stand to gain as much
knowledge by studying the one
as by studying the other, and
ultimately our theories must be
able to explain both. Research
on geometrical illusions has
been active for over a century,
butΓÇöΓÇôand this is an
embarrassment to investigators
in perceptionΓÇöΓÇôthey remain,
for the most part, unexplained.
Of course, progress has been
made and theories have been
advanced, but, as we shall see,
no one theory does justice to
them all.
Rather than attempt to
catalogue all the known
illusions, I will restrict the
discussion to just a few of them.
They are among the better
known and can serve the
purpose of illustrating the
major theories.