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Psicologia: Reflexão e Crítica

Print version ISSN 0102-7972On-line version ISSN 1678-7153


CAPOVILLA, Fernando César; CAPOVILLA, Alessandra Gotuzo Seabra  and  MACEDO, Elizeu Coutinho de. Perilexical Processing During Reading Performance: Effects Upon Reaction Time, Duration and Segmentation of Utterances. Psicol. Reflex. Crit. [online]. 2001, vol.14, n.2, pp.409-427. ISSN 0102-7972.

According to dual-route reading models, in the lexical route pronunciation is retrieved as a whole from the lexicon, whereas in the perilexical route, it is constructed via phonological decoding of syllabic segments. The study assessed perilexical reading aloud of 270 isolated non-words by 44 college students. A computer analyzed error frequency and temporal parameters of pronunciation: reaction time (RT), duration, and segmentation frequency, as function of non-word characteristics. Results showed that: 1) the shortest and simplest syllables produced the highest reading speed and segmentation frequency; 2) the longest non-words produced the highest segmentation frequency, but the lowest reading speed; 3) digraphs increased error frequency, as well as duration and RT, but decreased segmentation frequency; 4) digraphs (two letters: one phoneme) increased RT only when they occurred in the initial syllables; 5) digraphs produced greater RT than did consonantal combinations (two letters: two phonemes), which in turn produced greater RT than did simple graphemes. Such findings increase the validity of the dual-process reading model, as well as the understanding of serial and parallel processes involved in perilexical processing.

Keywords : Reading aloud; non-word reading; segmentation frequency; reaction time; duration.

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