Attentional costs in multiple-object tracking
نویسندگان
چکیده
منابع مشابه
Attentional enhancement during multiple-object tracking.
What is the role of attention in multiple-object tracking? Does attention enhance target representations, suppress distractor representations, or both? It is difficult to ask this question in a purely behavioral paradigm without altering the very attentional allocation one is trying to measure. In the present study, we used event-related potentials to examine the early visual evoked responses t...
متن کاملMultiple object tracking and attentional processing.
How are attentional priorities set when multiple stimuli compete for access to the limited-capacity visual attention system? According to Pylyshyn (1989) and Yantis and Johnson (1990), a small number of visual objects can be preattentively indexed or tagged and thereby accessed more rapidly by a subsequent attentional process (e.g., the traditional "spotlight of attention"). In the present stud...
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While human subjects tracked a subset of ten identical, randomly-moving objects, event-related potentials (ERPs) were evoked at parieto-occipital sites by task-irrelevant flashes that were superimposed on either tracked (Target) or non-tracked (Distractor) objects. With ERPs as markers of attention, we investigated how allocation of attention varied with tracking load, that is, with the number ...
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Context-aware and Attentional Visual Object Tracking
متن کاملBenefits and costs of uniqueness in multiple object tracking: The role of object complexity
How do unique objects affect multiple-object tracking? Recent research has catalogued seemingly contradictory findings, varying from enhanced to impaired tracking performance. In this study, we explore the role of object complexity in this broad range of phenomena. In a series of three experiments, we demonstrate that unique objects of varying complexity can produce both costs and benefits on t...
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ژورنال
عنوان ژورنال: Cognition
سال: 2008
ISSN: 0010-0277
DOI: 10.1016/j.cognition.2007.12.014