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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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ILLUSION
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SROCK_TX.CXT
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00229_Text_ref19t.txt
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1996-12-31
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In any reversible figure-
ground pattern, say one
composed of a black region and
a white region, which region
any given observer will first
perceive as figure may be
largely a matter of chance,
particularly if adjoining black
and white regions are
surrounded by gray rather than
presented on a white screen.
The black region is then not
strongly favored because it
contrasts more with the white
of the screen than does the
white region. However, other
factors may also influence our
perception of a particular
region as figure. We tend to
perceive as figure those regions
that are surrounded or smaller,
symmetrical, and vertical or
horizontal. It can now be
understood why, in viewing the
map of Europe, we at first
organize the pattern into black
figural regions and why, given
the fact that these regions are
novel shapes and given the lack
of perception of a shape that
corresponds to the continent of
Europe, we initially do not
recognize anything.