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Does Kaniso activate CASINO?: input coding schemes and phonology in visual-word recognition
1Departamento de Metodología Facultad de Psicología, Universitat de València, Spain. amorjo@valencia.edu
Experimental Psychology
|February 25, 2010
Summary
Visual word recognition relies on orthographic coding, not phonological. Experiments show transposed letters activate words, but pseudohomophones do not, supporting orthographic coding for letter positions.
Area of Science:
- Cognitive Psychology
- Psycholinguistics
- Neuroscience
Background:
- Current models of visual word recognition often assume orthographic coding for letter positions.
- Previous studies found transposed-letter effects insensitive to phonological manipulations, supporting this assumption.
- However, phonological effects might be stronger in initial letter positions, necessitating further investigation.
Purpose of the Study:
- To investigate the role of phonological versus orthographic coding in letter position representation.
- To re-examine the transposed-letter effect in visual word recognition.
- To determine if phonological manipulations affect transposed-letter priming.
Main Methods:
- A masked priming lexical decision experiment was conducted.
- Priming effects for transposed-letter pairs (orthographic) and pseudohomophone transposed-letter pairs (phonological) were compared.
- Stimuli included correctly spelled words and pseudohomophones to isolate coding types.
Main Results:
- A significant transposed-letter priming effect was observed for correctly spelled word pairs.
- No significant priming effect was found for pseudohomophone transposed-letter pairs.
- This indicates that phonological similarity did not influence the transposed-letter effect.
Conclusions:
- The findings support the view that letter position coding in visual word recognition is primarily orthographic.
- Phonological processing does not appear to significantly influence the transposed-letter effect.
- The results align with models emphasizing orthographic representations in word recognition.
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