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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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rock_txt.cxt
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00267_Text_ref12t.txt
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1997-02-04
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848b
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29 lines
Is past experience a factor
here? In some cases, it
undoubtedly is. Where
incomplete fragments of
familiar shape are present,
they serve to suggest the
complete object occluded by an
interposed object. But this
factor is not a necessary one. In
any event, once the interposed
region is perceived as figure
with its illusory contours, it is
irreversibly preferred.
More generally, many line
drawings would probably not
look the way they do were it not
for experience with the kind of
object they represent. We saw
an example of this in Chapter 3.
Prior experience with real
cubes or boxlike structures is
quite probably necessary in
order to perceive a simple line
drawing of a cube that does not
show converging sides as three-
dimensional since there are no
known depth cues displayed.