Context-dependent similarity effects in letter recognition
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- 作者：Sachiko Kinoshita ; Serje Robidoux ; Daniel Guilbert…
- 关键词：Letter identification ; Orthographic processing ; Abstract letter identity
- 刊名：Psychonomic Bulletin & Review
- 出版年：2015
- 出版时间：October 2015
- 年：2015
- 卷：22
- 期：5
- 页码：1458-1464
- 全文大小：156 KB
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Serje Robidoux (2)
Daniel Guilbert (3)
Dennis Norris (4)
1. ARC Centre of Excellence in Cognition and its Disorders (CCD), Department of Psychology, Macquarie University, Sydney, NSW, 2109, Australia
2. ARC Centre of Excellence in Cognition and its Disorders (CCD), Department of Cognitive Science, Macquarie University, Sydney, NSW, Australia
3. Department of Psychology, Macquarie University, Sydney, NSW, Australia
4. MRC Cognition and Brain Sciences Unit, Cambridge, UK - 刊物主题：Cognitive Psychology;
- 出版者：Springer US
- ISSN：1531-5320
文摘
In visual word recognition tasks, digit primes that are visually similar to letter string targets (e.g., 4/A, 8/B) are known to facilitate letter identification relative to visually dissimilar digits (e.g., 6/A, 7/B); in contrast, with letter primes, visual similarity effects have been elusive. In the present study we show that the visual similarity effect with letter primes can be made to come and go, depending on whether it is necessary to discriminate between visually similar letters. The results support a Bayesian view which regards letter recognition not as a passive activation process driven by the fixed stimulus properties, but as a dynamic evidence accumulation process for a decision that is guided by the task context. Keywords Letter identification Orthographic processing Abstract letter identity