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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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00273_Text_ref13t.txt
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1996-12-31
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VISION AND TOUCH Berkeley
argued that touch educates
vision so that eventually we
seem to experience visual
distance directly. He made the
same argument with respect to
other visual properties, such as
size, orientation, and even
shape (which he referred to as
"figure"). Some might say that
Berkeley could hardly have
argued that touch educates
vision if his central thesis was
that the two senses were totally
distinct, separate, and
incommensurate. However,
because vision and touch occur
together, Berkeley was able to
maintain that, despite their
distinctness, associations
could be formed between the
two, just as is possible between
words and things, despite their
distinctness. "Visible figures
are the marks of tangible
figures and ... it is plain, that
in themselves they are little
regarded, or upon any other
score than for their connection
with tangible figures, which by
nature they are ordained to
signify."
What Berkeley meant was
that, while a square and a
circle might in some sense look
different from one another
(because, he hints, the square
has ΓÇ£partsΓÇ¥ and the circle
doesnΓÇÖt), their particular
shapes do not arise in
perception until we have
learned to identify each image
with the way each object feels
when it is grasped.