Abstract

ABSTRACT Background Considering that the syllable is a well-defined unit in the Spanish language, we assume that it could be analyzed at the core of phonological paraphasias. Aims Identify if the characteristics of the Spanish syllable system are reflected in the production of phonological errors among Spanish-speaking aphasic patients. Methods & Procedures Twenty-four Spanish-speaking aphasic patients with different aetiology, severity, and type of aphasia participated in the study. We designed Word and Pseudoword Repetition Tasks controlling for stimuli length, syllable structure frequency, and syllable position. Outcomes & Results The production of paraphasias evidences an effect of syllable complexity and syllable frequency, since the CV syllable structure which is the simplest but also the most common one in Spanish, was more resistant to errors. Stimulus length and stimuli lexicality effects were evident since monosyllabic stimuli and words (opposed to pseudowords) triggered fewer errors, respectively. Also, we observed an interaction of length/lexicality, where polysyllabic pseudowords were related to a higher number of errors. Finally, results revealed a strong correlation between the relative frequency of syllable structures in Spanish and the percentage of syllable structures in phonemic paraphasias. Conclusions The repetition of words and pseudowords by these Spanish-speaking aphasic patients confirm that their phonological errors are related to the syllabic system of the Spanish language. This finding has implications when assessing Spanish-speaking aphasic patients.

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