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Guzman-Martinez, Emmanuel; Grabowecky, Marcia; Palafox, German; Suzuki, Satoru – Journal of Experimental Psychology: Human Perception and Performance, 2011
Visual spatial attention can be exogenously captured by a salient stimulus or can be endogenously allocated by voluntary effort. Whether these two attention modes serve distinctive functions is debated, but for processing of single targets the literature suggests superiority of exogenous attention (it is faster acting and serves more functions).…
Descriptors: Visual Discrimination, Spatial Ability, Color, Alphabets
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Chao, Hsuan-Fu – Journal of Experimental Psychology: Human Perception and Performance, 2011
The current study investigated attentional control through active inhibition of the identity of the distractor. Adapting a Stroop paradigm, the distractor word was presented in advance and made to disappear, followed by the presentation of a Stroop stimulus. Participants were instructed to inhibit the distractor in order to reduce its…
Descriptors: Stimuli, Attention Control, Inhibition, Color
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Runger, Dennis; Schwager, Sabine; Frensch, Peter A. – Journal of Experimental Psychology: Human Perception and Performance, 2010
Fernandez-Duque and Knight (2008, Experiment 4) described an across-task effect of endogenously generated, anticipatory control: A cue that predicted conflict in an upcoming Eriksen flanker task modulated conflict regulation in a subsequent number Stroop task. In 3 experiments, 1 of which included an exact replication condition, we failed to…
Descriptors: Conflict, Cognitive Processes, Cues, Prediction
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Williams, Carrick C.; Pollatsek, Alexander; Cave, Kyle R.; Stroud, Michael J. – Journal of Experimental Psychology: Human Perception and Performance, 2009
In 2 experiments, eye movements were examined during searches in which elements were grouped into four 9-item clusters. The target (a red or blue "T") was known in advance, and each cluster contained different numbers of target-color elements. Rather than color composition of a cluster invariantly guiding the order of search though…
Descriptors: Eye Movements, Probability, Experimental Psychology, Experiments
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Makovski, Tal; Jiang, Yuhong V. – Journal of Experimental Psychology: Human Perception and Performance, 2009
When tracking moving objects in space humans usually attend to the objects' spatial locations and update this information over time. To what extent do surface features assist attentive tracking? In this study we asked participants to track identical or uniquely colored objects. Tracking was enhanced when objects were unique in color. The benefit…
Descriptors: College Students, Short Term Memory, Eye Movements, Visual Perception
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Muller, Hermann J.; Geyer, Thomas; Zehetleitner, Michael; Krummenacher, Joseph – Journal of Experimental Psychology: Human Perception and Performance, 2009
Three experiments examined whether salient color singleton distractors automatically interfere with the detection singleton form targets in visual search (e.g., J. Theeuwes, 1992), or whether the degree of interference is top-down modulable. In Experiments 1 and 2, observers started with a pure block of trials, which contained either never a…
Descriptors: Cognitive Processes, Children, Color, Simulation
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Leber, Andrew B.; Kawahara, Jun-Ichiro; Gabari, Yuji – Journal of Experimental Psychology: Human Perception and Performance, 2009
How does past experience influence visual search strategy (i.e., attentional set)? Recent reports have shown that, when given the option to use 1 of 2 attentional sets, observers persist with the set previously required in a training phase. Here, 2 related questions are addressed. First, does the training effect result only from perseveration with…
Descriptors: Experiential Learning, Search Strategies, Experience, Visual Perception