The processing of consonants and vowels during letter identity and letter position assignment in visual-word recognition: An ERP study  

Oleh:

Vergara-Martínez, Marta ; Perea, Manuel ; Marín, Alejandro ; Carreiras, Manuel

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 118 no. 3 (2011), page 105-117.
Topik: Masked priming; Letter-transposition; Visual-word recognition; ERP waves
Fulltext: 118_03_Vergara-Mart-nez.pdf (2.13MB)

Isi artikel

Recent research suggests that there is a processing distinction between consonants and vowels in visualword recognition. Here we conjointly examine the time course of consonants and vowels in processes of letter identity and letter position assignment. Event related potentials (ERPs) were recorded while participants read words and pseudowords in a lexical decision task. The stimuli were displayed under different conditions in a masked priming paradigm with a 50-ms SOA: (i) identity/baseline condition e.g., chocolate- CHOCOLATE); (ii) vowels-delayed condition (e.g., choc¦l¦te-CHOCOLATE); (iii) consonants-delayed condition (cho¦o¦ate-CHOCOLATE); (iv) consonants-transposed condition (cholocate-CHOCOLATE); (v) vowels-transposed condition (chocalote-CHOCOLATE), and (vi) unrelated condition (editorial-CHOCOLATE). Results showed earlier ERP effects and longer reaction times for the delayed-letter compared to the transposed-letter conditions. Furthermore, at early stages of processing, consonants may play a greater role during letter identity processing. Differences between vowels and consonants regarding letter position assignment are discussed in terms of a later phonological level involved in lexical retrieval.

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