• Proceedings of the KSLP Conference
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• 2003.11a
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• pp.234-235
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• 2003

목적 : 본 연구의 목적은 기질적 조음장애 중 운동구어장애자의 유형에 따른 음운변동 패턴을 연구하여 각 집단만의 신경학적 손상으로 인한 조음운동 패턴을 분석하고자 하는데 있다. 운동구어장애자의 조음 오류에 대해서 SDO(substitution, distortion, omission) 분석적 접근을 하는 것이 일반적이며 따라서 음운변동 분석을 함으로써 이들의 오류패턴의 유형을 찾고, 언어중재 시에 이들의 조음기관 관련 근운동의 훈련을 보다 체계적으로 실시할 수 있을 것이라고 본다. (중략)

• Clinical and Experimental Pediatrics
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• v.53 no.4
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• pp.579-584
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• 2010

Purpose : The number of the repatriated Korean students who had overseas study at early ages is increasing. They received foreign education, they can speak international languages, but they have many difficulties in articulation and intonation of the Korean language. This study aims to measure closure and aspiration duration, length of consonants, length of subsequent vowels, and ratio of consonants against subsequent vowels in vowel-consonant-vowel (VCV) syllables. Methods : This study compares the acoustic and phonetic characteristics of repatriated and native students, the ratio of articulation error of Korean plosives, the closure and aspiration duration, and the ratio of the aspiration duration against the closure duration. Results : The ratio of articulation error of Korean plosives between repatriated and native students is 19% and 2%, respectively. The closure duration was significantly longer in repatriated students than in native students. The aspiration duration was significantly longer in repatriated students than in native students. No difference was found in the ratio of aspiration duration against closure duration between the native and repatriated students. Conclusion : This study can be a good reference for estimating the phonetic difficulties of Korean elementary students who had overseas study at early ages.

• Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics
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• v.7 no.1
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• pp.106-112
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• 1996

조음장애(articulation disorders)란 조음기관(예 : 혀, 입술. 치아, 입천장)을 통하여 말소리가 만들어지는 과정에서의 결함을 나타내는데, 이러한 조음장애를 보이는 아동은 '불명료한' 구어를 사용하게 되므로 해서 결국 의사소통의 어려움을 나타내게 된다. 음소를 생략하거나, 다른 음소로 대치하거나, 또는 같은 음소내에서 소리를 왜곡시키는 조음 장애 현상들은 순수 조음 장애 아동들 뿐 아니라, 정신지체, 청각장애, 구개파열, 뇌성마비 등의 장애자들에게서 중복적인 결함으로 나타나기도 한다. 본고에서는 소아의 조음장애를 다루는 임상가가 알아두어야 할 관련 요인들, 조음 오류 평가. 그리고 치료방법에 대하여 고찰하고자 한다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.14 no.1
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• pp.321-327
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• 2013

This paper aimed to find out the differences of DDK performances of 37 normally developing children in the range of 4-6 years. DDK tasks included with the Consonant-Vowel(CV) syllables and with the Vowel-Vowel(VV) syllables. For DDK rate, all spoken AMR and SMR in one second were measured by Multi-Speech, and analyzed with Motor Speech Profile for DDK regularity. Error frequency and type in DDK performance were transcribed and auditorily judged by two professional speech pathologists. The findings in this study were follow as: First, DDK rate became faster as the age of children were increased. But there were no statistical differences between the groups for age. Second, there was no significant differences the CV and VV syllables of DDK tasks. Third, the frequency of articulatory error in DDK performance was significantly higher in the age of 4 than other two groups.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.12 no.7
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• pp.3149-3155
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• 2011

The purpose of this study was to know the characteristics of DDK performance between CV(e.g. 'pa') and VV(e.g., 'ai') syllables in typically developing children aged 4 to 6 years old. 12 TD children performed DDK with CV structure(/pʰə/, /tʰə/, /kʰə/, /pʰətʰə/, /tʰəkʰə?/, /pʰətʰəkʰə/) and with VV structure(/ai/, /ɔi/, /ɑɔi/). Spoken syllables were counted in one second, and all spoken DDK were measured by PC-quirer. The results showed that all spoken DDK became faster as the age of children were increased. This trend was also appeared in both CV and VV syllables repetition. In addition, there was no differences in DDK rate with CV and VV syllables. The frequency of articulatory error during DDK performance was very high in the age of 3, and there was no pattern in the frequency of articulatory error according to the developmental age.

• Phonetics and Speech Sciences
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• v.13 no.3
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• pp.91-101
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• 2021

This study aimed to investigate speech motor control in adults who stutter (AWS) by testing whether articulation rate changes with practice and linguistic complexity. Eleven AWS and 11 adults who do not stutter (AWNS) repeated four sentences of different lengths and syntactic complexity [simple-short (SS), simple-long (SL), complex-long (CL), and faulty-long (FL) sentences]. Overall articulation rates of each sentence were measured and compared between groups. Practice effects were evaluated by comparing the articulation rates of the first three, middle four, and last three productions. Overall, the AWS had significantly slower articulation rates than AWNS across the four sentences. The longer sentences showed significantly slower articulation rates than the baseline sentence (SS). The articulation rates of the middle four and the last three productions were significantly faster than those of the first three productions of each sentence in both groups. The articulation rates of the SS, SL, and CL sentences indicated a consistent practice effect. The slower articulation rates of the AWS are consistent with a speech motor limitation. There was no interaction with linguistic complexity or practice, so a slower articulation rate may be a general feature of the speech of AWS. Both AWS and AWNS showed practice effects with faster articulation rates which may reflect a degree of adaptation to the stimuli.

• 한국노년학
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• v.32 no.3
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• pp.747-758
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• 2012

Detecting probable Alzheimer's disease (AD) at an early stage is crucial in slowing the progression of the disease and initiating drug therapy for more effective symptom management. Therefore, this study aimed to identify linguistic features that allow us to distinguish between patients with AD and normal controls. This paper reports on characteristics of spontaneous speech in subjects in three stages of AD (questionable, mild, moderate) compared with education- and age-matched normal controls. Four components of speech were measured in Korean native speakers with AD and normal aging: speech tempo, hesitation (measured in seconds), rate of articulation errors, and rate of grammatical errors. The results revealed significant differences in most of these speech components among the four groups, including significant differences between normal controls and the questionable AD group in the areas of speech tempo and rate of grammatical errors. Phonological? articulatory ability was preserved in questionable AD, and grammatical ability was preserved in questionable and mild AD. Subjects with moderate AD were severely impaired in grammatical ability. Prospective assessments of spontaneous speech skills using a dialogue and picture-description task are useful in detecting the subtle, spontaneous speech impairments that AD causes even in its early stage.

• Proceedings of the KSLP Conference
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• 2003.11a
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• pp.141-141
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• 2003

발음 교육은 의사소통적 교수법을 중시하는 최근의 언어 교육에서 약간 소홀히 다루어져 왔다. 그러나 외국어로서의 한국어 교육에서 정확한 발음 교육은 의사소통을 위해서 매우 중요한 역할을 한다고 볼 수 있다. 아무리 한국어 어휘와 문법을 정확하게 표현한다고 해도 잘못된 발음을 한다면 가장 기본적인 것에서 오류를 범하게 되기 때문이다. 다만 지금까지 일본인의 한국어 발음 오류에 대해서 조음음성학적이나 음운론적으로 어느 정도 연구가 되어 있다. 그러나 그 연구 결과들은 추상적인 단계에 머물러 있어서 아직까지 일본인의 한국어 모음 발음 문제를 명확하게 분석해 내지 못하고 있다. (중략)

• MALSORI
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• no.39
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• pp.53-71
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• 2000

With the 130 patients who were diagnosed as functional articulation disorders with no physical problems, a statistical study was performed to investigate their background information and phonological processes of errors. The results are as follows: (1) Males showed higher prevalence than females, and 5-year-old-patients showed the highest in age. (2) Most patients showed errors of 2~5 phonemes (3) The most frequent errors were found in plosives and alveolar sounds, and the most frequent phonological process of errors in the aspects of manner and place of articulation were stop-assimilations and alveolar assimilations, respectively.

• Proceedings of the KSPS conference
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• 2000.03a
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• pp.141-155
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• 2000

With the 130 patients who were diagnosed as functional articulation disorders with no physical problems, statistical study was performed to investigate their background informations and phonological processes of errors. The results are as followings : (1) Males showed higher prevalence than females, and 5-year-patients showed the highest in age. (2) Most patients showed errol.s of 2 - 5 phonemes (3) The most frequent errors were found in plosives and alveoalrs, and the most frequent phonological process of errors in the aspects of manner and place of articulation were stop-assimilations and alveolar assimilations, respectively.