Abstract
When participants control the horizontal movements of a stimulus and
indicate its vanishing point after
it unexpectedly vanishes, the perceived vanishing point is displaced
beyond the actual vanishing point,
and the size of the displacement is directly related to the action
effect anticipation one has to generate
to successfully control the stimulus. The present experiments examined
whether learning a pattern of
action effect anticipation would later impact ones perception of
moving stimuli. While 1 participant (the
controller) controlled a dots movements across a computer screen,
another (the observer), who could
neither see nor hear the controller, watched the dots movements on
a separate monitor. When the dot
unexpectedly vanished, the observer indicated the vanishing point.
After 40 trials, participants switched
roles. While serving as observers, all participants generated forward
displacements, but those who did so
after acquiring control experience produced larger displacement. Subsequent
experiments indicated the
larger displacement was due to action effect anticipation the participants
learned while either controlling
the dot or observing another do so.
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