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Acquiring an L2 sociophonological feature:The perception and production of rhoticity by Chinese learners of English
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An examination of kindergarten teachers’ beliefs about creative pedagogy and their perceived implementation in teaching practices
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Multi-ethnic facial features extraction based on axiomatic fuzzy set theory
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Short-term and long-term attentional biases to frequently encountered target features
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Abstract:
It has long been known that frequently occurring targets are attended better than infrequent ones in visual search. But does this frequency-based attentional prioritization reflect momentary or durable changes in attention? Here we observed both short-term and long-term attentional biases for visual features as a function of different types of statistical associations between the targets, distractors, and features. Participants searched for a target, a line oriented horizontally or vertically among diagonal distractors, and reported its length. In one set of experiments we manipulated the target’s color probability: Targets were more often in Color 1 than in Color 2. The distractors were in other colors. Participants found Color 1 targets more quickly than Color 2 targets, but this preference disappeared immediately when the target’s color became random in the subsequent testing phase. In the other set of experiments, we manipulated the diagnostic values of the two colors: Color 1 was more often a target than a distractor; Color 2 was more often a distractor than a target. Participants found Color 1 targets more quickly than Color 2 targets. Importantly, and in contrast to the first set of experiments, the featural preference was sustained in the testing phase. These results suggest that short-term and long-term attentional biases are products of different statistical information. Finding a target momentarily activates its features, inducing short-term repetition priming. Long-term changes in attention, on the other hand, may rely on learning diagnostic features of the targets.
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Keyword:
1203 Language and Linguistics; 2809 Sensory Systems; 3205 Experimental and Cognitive Psychology; 3310 Linguistics and Language; Diagnostic features; Selective attention; Statistical learning; Target’s frequency effect; Visual search
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URL: https://espace.library.uq.edu.au/view/UQ:582900
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Modulation of spatial attention by goals, statistical learning, and monetary reward
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THUIR at TREC 2009 Web Track: Finding Relevant and Diverse Results for Large Scale Web Search
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In: DTIC (2009)
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Study of the quantitative release of sodium and potassium from Loy Yang coal and biomass in a laminar pre-mixed methane flame
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In: http://www.ausihem.org/index.php?p=3_29 (2009)
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| 19 |
Opposite patterns of hemisphere dominance for early auditory processing of lexical tones and consonants
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In: Luo, H; Ni, J T; Li, Z H; Li, X O; Zhang, D R; Zeng, F G; et al.(2006). Opposite patterns of hemisphere dominance for early auditory processing of lexical tones and consonants. Proceedings of the National Academy of Sciences of the United States of America, 103(51), 19558 - 19563. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/63p0z6vs (2006)
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40th EASD Annual Meeting of the European Association for the Study of Diabetes : Munich, Germany, 5-9 September 2004.
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