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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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00116_Text_res07t.txt
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1997-02-04
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For animals, including
humans, successful navigation
through the world and survival
itself depend upon accurate
distance perception. For
centuries, philosophers and
natural scientists were split
into two camps with respect to
the question of the origins of
the perception of the third
dimension. The Nativists
maintained that space
perception was an innate
faculty of the mind (or, in more
modern terminology, that the
perceptual system was
programmed or prewired for
three-dimensional perception).
The Empiricists maintained
that such perception in the
adult was the end result of past
experience in infancy and
early childhood. The
controversy was carried on
mainly with logical arguments.
Only in recent years have
experimental techniques begun
to resolve the issue, as we shall
see.
For both sides of the
question, the problem remains:
What information is available
to the perceptual system that
enables us to achieve adequate
impressions of distance and
depth?