Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/147099
Title: Analysis of Pseudohomophone Orthographic Errors through Functional Magnetic Resonance Imaging (fMRI)
Author: Guàrdia Olmos, Joan
Zarabozo Hurtado, Daniel
Peró, Maribel
Gudayol Ferré, Esteve
González Garrido, Andrés A.
Keywords: Faltes d'ortografia
Imatges per ressonància magnètica
Spelling errors
Magnetic resonance imaging
Issue Date: 2017
Publisher: Universidad Complutense de Madrid
Abstract: The study of orthographic errors in a transparent language such as Spanish is an important topic in relation to writing acquisition because in Spanish it is common to write pseudohomophones as valid words. The main objective of the present study was to explore the possible differences in activation patterns in brain areas while processing seudohomophone orthographic errors between participants with high (High Spelling Skills (HSS)) and low (Low Spelling Skills (LSS)) spelling orthographic abilities. We hypothesize that (a) the detection of orthographic errors will activate bilateral inferior frontal gyri, and that (b) this effect will be greater in the HSS group. Two groups of 12 Mexican participants, each matched by age, were formed based on their results in a group of spelling-related ad hoc tests: HSS and LSS groups. During the fMRI session, two experimental tasks were applied involving correct and pseudohomophone substitution of Spanish words. First, a spelling recognition task and second a letter searching task. The LSS group showed, as expected, a lower number of correct responses (F(1, 21) = 52.72, p <.001, η2 = .715) and higher reaction times compared to the HSS group for the spelling task (F(1, 21) = 60.03, p <.001, η2 = .741). However, this pattern was reversed when the participants were asked to decide on the presence of a vowel in the words, regardless of spelling. The fMRI data showed an engagement of the right inferior frontal gyrus in HSS group during the spelling task. However, temporal, frontal, and subcortical brain regions of the LSS group were activated during the same task.
Note: Versió postprint del document publicat a: https://doi.org/10.1017/sjp.2017.72
It is part of: Spanish Journal of Psychology, 2017, vol. 20, num. e74, p. 1-16
URI: http://hdl.handle.net/2445/147099
Related resource: https://doi.org/10.1017/sjp.2017.72
ISSN: 1138-7416
Appears in Collections:Articles publicats en revistes (Psicologia Social i Psicologia Quantitativa)

Files in This Item:
File Description SizeFormat 
678639.pdf1.47 MBAdobe PDFView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.