Word and pseudoword superiority effects in shallow orthography language: The role of hemispheric lateralization

Daniela Traficante, Enrico Ripamonti, Franca Crippa, Claudio Luzzatti

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6 Citazioni (Scopus)


The Word Superiority effect (WSE) (Reicher, 1969; Wheeler, 1970) has made it possible to demonstrate the automatic activation of lexical-orthographic entries in reading. The observation of this effect is important since it led to experimental support in favor of the main cognitive reading models (e.g., Coltheart et al., 1980; 2001). These models were mostly developed on English data, hence the verification in different orthography systems is relevant. The present study tested WSE in Italian, a language in which this effect was predicted to be less constant given the highly consistent correspondence between orthography and phonology. Moreover, the presentation of the items in a lateralized visual field condition allowed to test assumptions on the role of the right and left hemisphere in written word recognition and, in particular, on the hemispheric lateralization of lexical processing. Two experiments were conducted with undergraduate students who had to recognize a target letter included either within a word, pseudoword or nonword. In Experiment 1 prime and probe were in the same letter case, while in Experiment 2 they were in different letter case. Error rates and reaction times were analyzed with mixed models. The results showed a superiority of pseudowords (Pseudoword Superiority effect – PSE) over illegal strings with no evidence of a clear superiority of words over pseudowords, for both left- and right-visual-field presentations. This suggests that, in Italian, the sub-lexical route could play a major role in reading and that this route relies on a visual-perceptual orthographic coding, concerning familiarity of letter combinations, which is also available to the right hemisphere.
Lingua originaleEnglish
pagine (da-a)411-428
Numero di pagine18
RivistaPerceptual and Motor Skills
Stato di pubblicazionePubblicato - 2014


  • hemispheric lateralization
  • word superiority effect

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