What you see is what you set: the position of moving objects

Authors:
Heinz-Werner Priess;Ingrid Scharlau
Affiliations:
Department of Cultural Sciences, University of Paderborn, Paderborn, Germany;Department of Cultural Sciences, University of Paderborn, Paderborn, Germany
Venue:
KI'09 Proceedings of the 32nd annual German conference on Advances in artificial intelligence
Year:
2009

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The emergence of attention by population-based inference and its role in distributed processing and cognitive control of vision

Computer Vision and Image Understanding - Special issue: Attention and performance in computer vision

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Abstract

Human observers consequently misjudge the position of moving objects towards the direction of motion. This so called flash-lag effect is supposed to be related to very basic processes such as processing latencies in the human brain. In our study we show that this effect can be inversed by changing the task-set of the observer. A top-down change of the observers attentional set leads to a different perception of otherwise identical scenes. Cognitive theories regard the misperception of the moving object as an important feature of attention-mediated processing, because it reflects the prioritized processing of important objects.