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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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00431_Text_re26t.txt
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1997-02-04
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In other words, most
investigators today believe that
innately determined, bottom-
up processing leads to some
degree of organized pattern
vision. Thus, the earlier belief
that perception in its entirety
is learned is disavowed.
However, many investigators
also believe that past
experience plays some role in
perception. Such experience
might take many forms, from
mere exposure to a normal
environment very early in life
to ensure the proper
maturation of the visual
nervous system, to learning to
make fine discriminations
among members of the same
category, to enrichment
effects. Many students of
perception also accept the
claim of stimulus theory that
there is information in higher-
order dimensions of the
stimulus, such as texture
density or motion-perspective
gradients.
The conclusions drawn by
students of perception about
almost any topic discussed in
the earlier chapters illustrate
this eclecticism. Much depends
upon the particular
phenomenon under study.
Nowadays there is a tendency to
consider each type of
perception separately and to
sift out the evidence
concerning it in arriving at a
theoretical conclusion.