Dissociation of Egocentric and Object-centric processing in mental rotation
Mental rotation can take either egocentric or object-centric forms. We explored the
dissociation of these two processing mechanisms using a special stimulus (hand), which
may invoke a mental transformation of either the viewer's own body (hand) or the visual
display. In Experiment 1, the stimuli consisted of back view of human hands created by a 3D
graphics software. Each picture of the hand was presented at an orientation rotated in lateral
or medial direction from the upright orientation. Each participant completed (1) a left or right …
dissociation of these two processing mechanisms using a special stimulus (hand), which
may invoke a mental transformation of either the viewer's own body (hand) or the visual
display. In Experiment 1, the stimuli consisted of back view of human hands created by a 3D
graphics software. Each picture of the hand was presented at an orientation rotated in lateral
or medial direction from the upright orientation. Each participant completed (1) a left or right …
Dissociation of egocentric and object-centric processing in mental rotation of hand: Effect of viewpoints of the visual stimulus and the viewers' own hands
We explored the possible dissociation of egocentric or object-centric processes in the
mental rotation of hand, which may invoke a mental transformation of either the stimulus or
viewer's own body parts. The stimulus consisted of back or palm view of human hands
created by a 3D graphics software. Each picture of the hand was presented at an orientation
rotated in medial or lateral direction from the upright orientation. Each participant completed
(1) a left or right hand judgment task (LR task) when either a left or right hand picture was …
mental rotation of hand, which may invoke a mental transformation of either the stimulus or
viewer's own body parts. The stimulus consisted of back or palm view of human hands
created by a 3D graphics software. Each picture of the hand was presented at an orientation
rotated in medial or lateral direction from the upright orientation. Each participant completed
(1) a left or right hand judgment task (LR task) when either a left or right hand picture was …
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