Does diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? An eye-movements investigation of processing Arabic diacritics.

In Arabic, a predominantly consonantal script that features a high incidence of lexical ambiguity (heterophonic homographs), glyph-like marks called diacritics supply vowel information that clarifies how each consonant should be pronounced, and thereby disambiguate the pronunciation of consonantal s...

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Autores principales:	Ehab W Hermena, Sana Bouamama, Simon P Liversedge, Denis Drieghe
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ae5aa097184b4873b705f14ccf06300d
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spelling	oai:doaj.org-article:ae5aa097184b4873b705f14ccf06300d2021-12-02T20:13:04ZDoes diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? An eye-movements investigation of processing Arabic diacritics.1932-620310.1371/journal.pone.0259987https://doaj.org/article/ae5aa097184b4873b705f14ccf06300d2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0259987https://doaj.org/toc/1932-6203In Arabic, a predominantly consonantal script that features a high incidence of lexical ambiguity (heterophonic homographs), glyph-like marks called diacritics supply vowel information that clarifies how each consonant should be pronounced, and thereby disambiguate the pronunciation of consonantal strings. Diacritics are typically omitted from print except in situations where a particular homograph is not sufficiently disambiguated by the surrounding context. In three experiments we investigated whether the presence of disambiguating diacritics on target homographs modulates word frequency, length, and predictability effects during reading. In all experiments, the subordinate representation of the target homographs was instantiated by the diacritics (in the diacritized conditions), and by the context subsequent to the target homographs. The results replicated the effects of word frequency (Experiment 1), word length (Experiment 2), and predictability (Experiment 3). However, there was no evidence that diacritics-based disambiguation modulated these effects in the current study. Rather, diacritized targets in all experiments attracted longer first pass and later (go past and/or total fixation count) processing. These costs are suggested to be a manifestation of the subordinate bias effect. Furthermore, in all experiments, the diacritics-based disambiguation facilitated later sentence processing, relative to when the diacritics were absent. The reported findings expand existing knowledge about processing of diacritics, their contribution towards lexical ambiguity resolution, and sentence processing.Ehab W HermenaSana BouamamaSimon P LiversedgeDenis DrieghePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0259987 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ehab W Hermena Sana Bouamama Simon P Liversedge Denis Drieghe Does diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? An eye-movements investigation of processing Arabic diacritics.
description	In Arabic, a predominantly consonantal script that features a high incidence of lexical ambiguity (heterophonic homographs), glyph-like marks called diacritics supply vowel information that clarifies how each consonant should be pronounced, and thereby disambiguate the pronunciation of consonantal strings. Diacritics are typically omitted from print except in situations where a particular homograph is not sufficiently disambiguated by the surrounding context. In three experiments we investigated whether the presence of disambiguating diacritics on target homographs modulates word frequency, length, and predictability effects during reading. In all experiments, the subordinate representation of the target homographs was instantiated by the diacritics (in the diacritized conditions), and by the context subsequent to the target homographs. The results replicated the effects of word frequency (Experiment 1), word length (Experiment 2), and predictability (Experiment 3). However, there was no evidence that diacritics-based disambiguation modulated these effects in the current study. Rather, diacritized targets in all experiments attracted longer first pass and later (go past and/or total fixation count) processing. These costs are suggested to be a manifestation of the subordinate bias effect. Furthermore, in all experiments, the diacritics-based disambiguation facilitated later sentence processing, relative to when the diacritics were absent. The reported findings expand existing knowledge about processing of diacritics, their contribution towards lexical ambiguity resolution, and sentence processing.
format	article
author	Ehab W Hermena Sana Bouamama Simon P Liversedge Denis Drieghe
author_facet	Ehab W Hermena Sana Bouamama Simon P Liversedge Denis Drieghe
author_sort	Ehab W Hermena
title	Does diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? An eye-movements investigation of processing Arabic diacritics.
title_short	Does diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? An eye-movements investigation of processing Arabic diacritics.
title_full	Does diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? An eye-movements investigation of processing Arabic diacritics.
title_fullStr	Does diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? An eye-movements investigation of processing Arabic diacritics.
title_full_unstemmed	Does diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? An eye-movements investigation of processing Arabic diacritics.
title_sort	does diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? an eye-movements investigation of processing arabic diacritics.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/ae5aa097184b4873b705f14ccf06300d
work_keys_str_mv	AT ehabwhermena doesdiacriticsbasedlexicaldisambiguationmodulatewordfrequencylengthandpredictabilityeffectsaneyemovementsinvestigationofprocessingarabicdiacritics AT sanabouamama doesdiacriticsbasedlexicaldisambiguationmodulatewordfrequencylengthandpredictabilityeffectsaneyemovementsinvestigationofprocessingarabicdiacritics AT simonpliversedge doesdiacriticsbasedlexicaldisambiguationmodulatewordfrequencylengthandpredictabilityeffectsaneyemovementsinvestigationofprocessingarabicdiacritics AT denisdrieghe doesdiacriticsbasedlexicaldisambiguationmodulatewordfrequencylengthandpredictabilityeffectsaneyemovementsinvestigationofprocessingarabicdiacritics
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Does diacritics-based lexical disambiguation modulate word frequency, length, and predictability effects? An eye-movements investigation of processing Arabic diacritics.

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