Does gaze-contingent limited view modify spatial contextual cueing in visual search? X Zang, L Jia, H J Müller, Z Shi |
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Department of Psychology, LMU Munich, Germany
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| Participants were faster in respond to repeatedly-presented displays compared to non-repeated displays during visual search. This phenomenon has been known as contextual cueing (Chun and Jiang, 1998, Cognitive Psychology 36, 28-71). The mechanisms of global and local context contributing to contextual cueing are still under debated (Kunar et el., 2006, Percept Psychophys, 68(7), 1204-1216; Song and Jiang, 2005, Journal of Vision, 5, 322-30). In most studies on contextual cueing, global (e.g., the whole visual display) and local (e.g., a small region around the target) context were not explicitly separated and often correlated with each other. In the present study, two visual search experiments with gaze-contingent limited view were conducted, in which, both repeated old displays and non-repeated new displays are only visible inside a limited gaze-centered area. Classical contextual cueing was manifested for large viewing window (12°), but not for small viewing window (8°). Interestingly, contextual cueing effect was regained for the latter when the gaze-contingent limited view was removed in the test phase. Oculomotor behavior showed that the number of saccades decreased and fixation duration increased for the old displays. Our findings suggested gaze-contingent limited view didn't affect spatial context learning, rather impeded the retrieval of the learned context. |
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