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KMID : 1143320190080030069
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Therapeutic Science for Neurorehabilitation
2019 Volume.8 No. 3 p.69 ~ p.81
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Characteristics of Right Hemispheric Damaged Patients in Korean Focused Prosodic Sentences
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Lee Myung-Soon
Park Hyun
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Abstract
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Objective: The purpose of this study was to examine the characteristics of prosody of ambiguous sentences in patients with right hemisphere damage(RHD).
Methods: Sentences with each word prosodically focused were used to investigate. Several acoustic parameters such as
intensity, F0, and duration were measured to identify characteristics of prosody in patients with lesions in the right hemisphere and normal controls. All speech samples were recorded using the Praat 4.3.14 software. Data were analyzed with the independent sample t-test using SPSS 18.0.
Results: The results of this study are as follows: First, intensity of the first syllable of the focus word was different between the two groups in several sentences. Second, F0 was different between the two groups in all sentences. Third, duration was different between the groups in several sentences. Accordingly, prosody were varied and values of acoustic parameters differed due to the focus of utterance. The group with right hemisphere damage showed restricted prosody.
Conclusions: Intensity, duration, and F0 are all used as elements of prosody in emphasizing structural and pragmatic meaning, but according to the focus, strength and duration were related to F0.
In contrast, F0 has a significant linguistic difference, but there was a significant difference between the RHD and normal people, so F0 can be a discriminatory factor of rhyme evaluation of the right hemisphere damaged and it is necessary to accumulate more strong evidence through future research.
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KEYWORD
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F0, Focus, Prosody, RHD
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