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Previous studies have shown that spatial attention can shift in three-dimensional (3-D) space determined by binocular disparity. Using Posner's precueing paradigm, the current work examined whether attentional selection occurs in perceived 3-D space defined by occlusion. Experiment 1 showed that shifts of spatial attention induced by central cues between two surfaces in the left and right visual fields did not differ between the conditions when the two surfaces were located at the same or different perceptual depth. In contrast, Experiment 2 found that peripheral cues generated a stronger cue validity effect when the two surfaces were perceived at a different rather than at the same perceptual depth. The results suggest that exogenous but not endogenous attention operates in perceived 3-D space.

Original publication

DOI

10.1080/02724980443000548

Type

Journal article

Journal

Q J Exp Psychol A

Publication Date

05/2005

Volume

58

Pages

753 - 764

Keywords

Adolescent, Adult, Attention, Cues, Depth Perception, Discrimination Learning, Female, Humans, Male, Optical Illusions, Orientation, Pattern Recognition, Visual, Psychophysics, Reaction Time, Space Perception, Vision Disparity, Visual Fields