Shifts of spatial attention in perceived 3-D space

S Han, X Wan, T Wang, Glyn Humphreys

Research output: Contribution to journalArticle

10 Citations (Scopus)


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 languageEnglish
Pages (from-to)753-764
Number of pages12
JournalThe Quarterly Journal of Experimental Psychology
Publication statusPublished - 1 Jan 2005


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