The Recognition Potential: An ERP Index of Lexical Access  

Oleh:

Martin-Loeches, Manuel ; Hinojosa, Jose A. ; Gomez-Jarabo, Gregorio ; Rubia, Francisco J.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 70 no. 3 (1999), page 364–384.
Topik: recognition; evoked potential; lexical access
Fulltext: 70_03_Mart-amp-x0301-n-Loeches.pdf (108.5KB)

Isi artikel

Recognition potential (RP) is a brain electrical response that appears when a subject views recognizable images of words. However, it has yet to be determined whether the processes reflected by RP are related to orthographic or to semantic analysis. This study aimed to resolve this question by studying the RP evoked by orthographically correct stimuli that were devoid of meaning. Results showed RP not only to this type of stimuli, but also to others achieving lower levels in the reading process. Strikingly, however, the RP amplitude significantly differed in parallel with the levels of the reading processes attained by the stimuli, the amplitude of the RP progressively increasing as the level approached the semantic one, which showed the highest amplitude. These results not only confirm the replicability of RP, but also its promise of potential usefulness in the study and assessment of language perception.

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