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The search for an input-coding scheme: transposed-letter priming in Arabic
Manuel Perea1, Reem Abu Mallouh, Manuel Carreiras
1Universitat de València, Valencia, Spain. mperea@valencia.edu
The order of root letters is crucial for visual word recognition in Arabic. Transposing root letters disrupts this process, impacting how words are recognized.
Area of Science:
- Psycholinguistics
- Cognitive Science
- Computational Linguistics
Background:
- Models of visual word recognition grapple with input-coding schemes and cross-orthographic variations.
- Arabic's non-concatenative morphology presents unique challenges for understanding letter order's role.
Purpose of the Study:
- To investigate the role of root letter ordering in visual word recognition in Arabic.
- To determine if transposed-letter effects differ based on the type of letter transposition within Arabic words.
Main Methods:
- Two masked-priming lexical decision experiments were conducted.
- Experiment 1: Transposed two letters from the root.
- Experiment 2: Transposed one root letter and one word pattern letter.
Main Results:
- A significant transposed-letter priming effect was observed when root letter order was preserved (Experiment 2).
- No significant transposed-letter priming effect was found when two root letters were transposed (Experiment 1).
Conclusions:
- The order of root letters is critical for visual word recognition in Arabic.
- Minimal perceptual noise in root letter order is necessary to prevent misactivation of related word families.
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