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Назва: Vowel Production in Aphasia: Preliminary Acoustic Findings from Arabic
Автори: Hisham, Adam
Приналежність: The American University of the Middle East, Kuwait
Бібліографічний опис: Hisham, A. Vowel Production in Aphasia: Preliminary Acoustic Findings from Arabic / A. Hisham // East European Journal of Psycholinguistics / Lesya Ukrainka Volyn National University. – Lutsk, 2021. – Volume 8, Number 2 – P. 77-91.https://doi.org/10.29038/eejpl.2021.8.2.his
Журнал/збірник: East European Journal of Psycholinguistics
Дата публікації: 2021
Дата внесення: 13-лип-2022
Видавництво: Lesya Ukrainka Volyn National University
Країна (код): UA
DOI: https://doi.org/10.29038/eejpl.2021.8.2.his
Теми: Palestinian Arabic-speaking Broca’s aphasics
formants of Arabic vowels
vowel duration
acoustic analysis
Broca's aphasia
Діапазон сторінок: 77-91
Короткий огляд (реферат): The present study examined the temporal and spectral characteristics of vowels produced by Palestinian Arabic- speaking individuals with Broca’s aphasia compared to healthy speakers. Specifically, vowel duration and formant frequency measures (F1&F2) were made. eight speakers with Broca’s aphasia and eight healthy speakers participated in the study. Repetition was used to elicit the target vowels to minimize language comprehension or reading difficulties by the individuals with Broca’s aphasia. The speech sample contains the long vowels (/a:,u:,i:/) embedded in CVC words with nasal initials. Statistical analysis was used to determine any significant differences concerning the formant values (F1/F2) between the speaker groups. Findings showed that speakers with Broca’s aphasia produced vowel categories with more variability than healthy speakers. For some, formant frequencies were comparable with those of the healthy speakers, and yet others showed an overlap of phonetic categories. Specifically, F1 and F2 for the vowel /u:/ were higher for individuals with Broca’s aphasia compared to normal-speaking individuals, but they were not statistically significant. Furthermore, although speakers with Broca’s aphasia produced longer vowel durations than the healthy speakers, they were not significantly different between speaker groups except for the vowel /i:/. Reduced vowel space was also observed in speakers with Broca’s aphasia. The vowel ellipses as shown by speakers with Broca’s aphasia were larger than those of healthy speakers. Results support previous studies showing abnormal temporal durations and spectral patterns in Broca’s aphasia. Findings can contribute to cross-linguistic research on vowel production in aphasia, mainly in understudied languages such as Arabic.
URI (Уніфікований ідентифікатор ресурсу): https://evnuir.vnu.edu.ua/handle/123456789/20600
Власник авторського права: East European Journal of Psycholinguistics
Тип вмісту: Article
Розташовується у зібраннях:East European Journal of Psycholinguistics, 2021, Volume 8, Number 2

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