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Akyurek, Elkan G.; Toffanin, Paolo; Hommel, Bernhard – Journal of Experimental Psychology: Human Perception and Performance, 2008
Identifying 2 target stimuli in a rapid stream of visual symbols is much easier if the 2nd target appears immediately after the 1st target (i.e., at Lag 1) than if distractor stimuli intervene. As this phenomenon comes with a strong tendency to confuse the order of the targets, it seems to be due to the integration of both targets into the same…
Descriptors: Expectation, Eye Movements, Undergraduate Students, Experimental Psychology
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Oberfeld, Daniel; Hecht, Heiko – Journal of Experimental Psychology: Human Perception and Performance, 2008
The effects of moving task-irrelevant objects on time-to-contact (TTC) judgments were examined in 5 experiments. Observers viewed a directly approaching target in the presence of a distractor object moving in parallel with the target. In Experiments 1 to 4, observers decided whether the target would have collided with them earlier or later than a…
Descriptors: Cues, Experimental Psychology, Undergraduate Students, Visual Stimuli
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Castelhano, Monica S.; Henderson, John M. – Journal of Experimental Psychology: Human Perception and Performance, 2007
What role does the initial glimpse of a scene play in subsequent eye movement guidance? In 4 experiments, a brief scene preview was followed by object search through the scene via a small moving window that was tied to fixation position. Experiment 1 demonstrated that the scene preview resulted in more efficient eye movements compared with a…
Descriptors: Human Body, Guidance, Eye Movements, Experiments
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Hubner, Ronald; Lehle, Carola – Journal of Experimental Psychology: Human Perception and Performance, 2007
In this study, the authors used a dual-task flanker paradigm to investigate the degree to which flankers are coprocessed with the target as a function of whether flankers have to be used as stimuli for a second task. A series of experiments, in which performance in dual tasks was compared with that in single tasks, revealed that participants had a…
Descriptors: Attention, Experiments, Visual Stimuli, Task Analysis
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Ghorashi, S. M. Shahab; Smilek, Daniel; Di Lollo, Vincent – Journal of Experimental Psychology: Human Perception and Performance, 2007
J. S. Joseph, M. M. Chun, and K. Nakayama (1997) found that pop-out visual search was impaired as a function of intertarget lag in an attentional blink (AB) paradigm in which the 1st target was a letter and the 2nd target was a search display. In 4 experiments, the present authors tested the implication that search efficiency should be similarly…
Descriptors: Visual Discrimination, Visual Stimuli, Spatial Ability, Inhibition
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Runeson, Sverker; Andersson, Isabell E. K. – Journal of Experimental Psychology: Human Perception and Performance, 2007
Participants' usage of informational variables in learning visual relative-mass discrimination in collisions was tracked by means of PROBIT correlations. Four groups received feedback that was true or accorded with either of three nonspecificational cue variables. A majority in each group adopted the feedback, but several participants defied the…
Descriptors: Cues, Feedback, Multivariate Analysis, Visual Discrimination
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Starreveld, Peter A.; Theeuwes, Jan; Mortier, Karen – Journal of Experimental Psychology: Human Perception and Performance, 2004
The authors used visual search tasks in which components of the classic flanker task (B. A. Eriksen & C. W. Eriksen, 1974) were introduced. In several experiments the authors obtained evidence of parallel search for a target among distractor elements. Therefore, 2-stage models of visual search predict no effect of the identity of those…
Descriptors: Cognitive Processes, Visual Perception, Visual Discrimination, Psychological Studies
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Jiang, Yuhong; Wang, Stephanie W. – Journal of Experimental Psychology: Human Perception and Performance, 2004
In visual search tasks, if a set of items is presented for 1 s before another set of new items (containing the target) is added, search can be restricted to the new set. The process that eliminates old items from search is visual marking. This study investigates the kind of memory that distinguishes the old items from the new items during search.…
Descriptors: Short Term Memory, Visual Stimuli, Visual Discrimination, Psychological Studies
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Chen, Zhe; Cave, Kyle R. – Journal of Experimental Psychology: Human Perception and Performance, 2006
What happens after visual attention is allocated to an object? Although many theories of attention assume that all of its features are selected and processed, there has been little direct evidence that an irrelevant feature dimension of an attended nontarget is processed. In 5 experiments presented here, the authors used a singleton paradigm to…
Descriptors: Attention, Visual Perception, Visual Stimuli, Cognitive Processes
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Ballaz, Cecile; Boutsen, Luc; Peyrin, Carole; Humphreys, Glyn W.; Marendaz, Christian – Journal of Experimental Psychology: Human Perception and Performance, 2005
The authors studied the influence of canonical orientation on visual search for object orientation. Displays consisted of pictures of animals whose axis of elongation was either vertical or tilted in their canonical orientation. Target orientation could be either congruent or incongruent with the object's canonical orientation. In Experiment 1,…
Descriptors: Psychological Studies, Visual Perception, Visual Stimuli, Cognitive Processes
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Ganel, Tzvi; Goshen-Gottstein, Yonatan – Journal of Experimental Psychology: Human Perception and Performance, 2004
The effects of familiarity on selective attention for the identity and expression of faces were tested using Garner's speeded-classification task. In 2 experiments, participants classified expression (or identity) of familiar and unfamiliar faces while the irrelevant dimension of identity (or expression) was either held constant (baseline…
Descriptors: Familiarity, Attention, Attention Control, Visual Discrimination
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Lukatela, Georgije; Eaton, Thomas; Sabadini, Laura; Turvey, M. T. – Journal of Experimental Psychology: Human Perception and Performance, 2004
What form is the lexical phonology that gives rise to phonological effects in visual lexical decision? The authors explored the hypothesis that beyond phonological contrasts the physical phonetic details of words are included. Three experiments using lexical decision and 1 using naming compared processing times for printed words (e.g., plead and…
Descriptors: Phonology, Vowels, Word Recognition, Visual Discrimination
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Agter, Frank; Donk, Mieke – Journal of Experimental Psychology: Human Perception and Performance, 2005
Observers performed a preview search task in which, on some trials, they had to indicate the presence of a briefly presented probe-dot. Probes could be presented on locations corresponding to old or new elements and prior to or after the presentation of the new elements. After the presentation of the new elements, probes were generally detected…
Descriptors: Visual Discrimination, Color, Visual Perception, Task Analysis
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Vogel, Edward K.; Woodman, Geoffrey F.; Luck, Steven J. – Journal of Experimental Psychology: Human Perception and Performance, 2006
How long does it take to form a durable representation in visual working memory? Several theorists have proposed that this consolidation process is very slow. Here, we measured the time course of consolidation. Observers performed a change-detection task for colored squares, and shortly after the presentation of the first array, pattern masks were…
Descriptors: Memory, Reaction Time, Spatial Ability, Dimensional Preference
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Laeng, Bruno; Torstein, Lag; Brennen, Tim – Journal of Experimental Psychology: Human Perception and Performance, 2005
Sensory or input factors can influence the strength of interference in the classic Stroop color-word task. Specifically, in a single-trial computerized version of the Stroop task, when color-word pairs were incongruent, opponent color pairs (e.g., the word BLUE in yellow) showed reduced Stroop interference compared with nonopponent color pairs…
Descriptors: Individual Differences, Color, Computer Simulation, Word Recognition
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