Masking the relationship between orthography and phonology: an ERP study
LE3 .A278 2023
Newman, Randy Lynn
Bachelor of Science
The present study examined the impact of orthography on spoken word recognition using Event Related Potentials (ERPs). The proposed research contributes to the body of evidence on the effects of orthography on spoken word recognition by further limiting the possibility of bias caused by strategically evoked responses through the adoption of a cross modal approach, the use of pseudowords, as well as a backward visual mask. The paradigm employed in the present study, a lexical decision task, included visual pseudoword primes, paired with auditory real-word or pseudoword targets. Each of these prime-target pairs fit into one of the following conditions P+O+ (e.g., “foap” priming “soap”), P+O-, (e.g., “foap” priming “hope”);; or P-O-, (e.g., “foap” priming “wait”). Results did not find evidence of an orthographic effect on auditory word processing. There was a trend towards a marginal phonological priming effect at FZ, but it was not statistically significant. A small portion of the data was excluded due to artifacts which decreased the sample size and therefore the power of the study. Future studies could modify the presentation of stimulus in testing and masking conditions to try to reduce artifacts and thus adding to the sample size before drawing firm conclusions on orthographic effects on auditory word processing.
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