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Letter-similarity effects in braille word recognition.

Baciero, A., Gomez, P., Duñabeitia, J. A. and Perea, M., 2022. Letter-similarity effects in braille word recognition. Quarterly Journal of Experimental Psychology, 76 (7), 1632-1640.

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DOI: 10.1177/17470218221142145

Abstract

Letter-similarity effects are elusive with common words in lexical decision experiments: viotin and viocin (base word: violin) produce similar error rates and rejection latencies. However, they are robust for stimuli often presented with the same appearance (e.g., misspelled logotypes such as anazon [base word: amazon] produce more errors and longer latencies than atazon). Here, we examine whether letter-similarity effects occur in reading braille. The rationale is that braille is a writing system in which the sensory information is processed in qualitatively different ways than in visual reading: the form of the word's letters is highly stable due to the standardization of braille and the sensing of characters is transient and somewhat serial. Hence, we hypothesized that the letter similarity effect would be sizeable with misspelled common words in braille, unlike the visual modality. To test this hypothesis, we conducted a lexical decision experiment with blind adult braille readers. Pseudowords were created by replacing one letter of a word with a tactually-similar or dissimilar letter in braille following a tactile similarity matrix (Baciero et al., 2021a; e.g., [ausor] vs. [aucor]; baseword: [autor]). Bayesian linear mixed-effects models showed that the responses to tactually-similar pseudowords were less accurate than to tactually-dissimilar pseudowords-the RTs showed a parallel trend. This finding supports the idea that, when reading braille, the mapping of input information onto abstract letter representations is done through a noisy channel (Norris & Kinoshita, 2012).

Item Type:Article
ISSN:1747-0218
Uncontrolled Keywords:Braille; Orthographic processing; Reading; Word recognition
Group:Faculty of Science & Technology
ID Code:37842
Deposited By: Symplectic RT2
Deposited On:23 Nov 2022 10:41
Last Modified:21 May 2024 10:00

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