• 대한음성학회:학술대회논문집
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• 대한음성학회 2003년도 5월 학술대회지
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• pp.93-96
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• 2003

The present study was conducted to investigate the difference of cortical activation in naming the picture in Korean and English. Experimental design was 2(Korean, English) language condition x 4(no distractor, semantic related distractor, semantic unrelated distrator, corresponding distractor) distractor condition. language condition was between subject factor and distractor condition was within subject factor. The result was that Korean naming condition showed less cortical activation than English naming condition. The activation region was reported in each condition.

• 대한음성학회:학술대회논문집
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• 대한음성학회 2007년도 한국음성과학회 공동학술대회 발표논문집
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• pp.180-182
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• 2007

The present study was carried out to investigate how two languages are represented and processed for the late Korean-English bilinguals. To this end, we compared the naming times of Korean-English bilinguals on a series of the picture-word interference tasks. The entire experiment is divided into four parts, each of which required participants to name the pictures in Korean or in English with distractor words visually presented either in Korean or English. The distractor words were semantically related or unrelated to the picture. The results showed that, in different language conditions (L1 naming-L2 distractor, L2 naming - L1 distractor), there was only numerical difference between semantic related and unrelated condition. In same language conditions (L1 naming-L1 distractor, L2 naming-L2 distractor), however, significant semantic interference effect occurred. And, the interference effect was stronger in the L1 distractor condition than in the L2 distractor condition. These results suggest that the semantic processing of L1 and L2 for the late bilinguals are independent each other.

• 한국융합학회논문지
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• 제7권6호
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• pp.75-80
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• 2016

악골기형에 따른 외과적 치료방법은 상악골 또는 하악골을 직접 늘리거나 줄이는 방식을 이용한다. 골신장술(distraction osteogenesis)은 열성장한 악골에 치밀뼈절단술(corticotomy)을 시행한 후, 골신장기(jaw bone distractor)를 사용하여 간헐적인 힘을 골에 부과하며 골의 길이를 늘여주는 대표적인 방법이다. 그러나 이러한 골신장기는 피부를 관통한 채 골에 고정되기 때문에, 비심미적이며 감염이나 흉터 등의 많은 문제점이 발생한다. 이 연구에서는 구내형 골신장기(intraoral jaw bone distractor) 개발을 위해 유한요소분석을 시행하여 핵심구동부의 안정성을 시뮬레이션한 후, 골신장기를 제작하였다. 융합연구를 통하여 향후 무선형 골신장기를 제작하기 위한 기반 자료를 구축하였으며, 관련 자료는 골신장술의 근본적인 문제점을 해결할 수 있는 가능성을 제시하며, 제반 기술은 다양한 의료기기 개발 기술에 활용될 수 있다

• 대한음성학회:학술대회논문집
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• 대한음성학회 2005년도 추계 학술대회 발표논문집
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• pp.131-135
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• 2005

Previous studies on the bilinguals' lexical selection have suggested some evidence in favor of language-specific hypothesis. The purpose of this study was to see whether Korean-English bilinguals' semantic systems of Korean and English are shared or separated between the two languages. In a series of picture-word interference tasks, participants were to name the pictures in Korean or in English with distractor words printed either in Korean or English. The distractor words were either semantically identical, related, unrelated to the picture, or nonexistant. The response time of naming was facilitated when distractor words were semantically identical for both same-(Naming pictures in English/korean with English/Korean distractor words) and different-language pairs(Naming pictures in English with Korean distractor words and vice versa). But this facilitation effect was stronger when naming was produced in their native language, which in this case was Korean. Also, inhibitory effect was shown when the picture and its distractor word were semantically related in both same- and different-language paired conditions. These results show that bilinguals'two lexicons compete to some extent when selecting the target word. In this viewpoint, it can be concluded that the lexicons of either languages may not be entirely but partly overlapping in bilinguals.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• 제28권2호
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• pp.161-164
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• 2002

Le Fort III 골절단술 후 강성 외장형 신장기를 이용한 중안면부 골신장술은 적은 합병증으로 골편의 많은 전방 이동이 가능하고, 술후에도 신장 축방향을 조절할 수 있는 장점을 가지고 있으며, 견인 철선을 비외측부 안면 피부를 관통하여 견인하는 방법은 견인력이 회전 중심 가까이에 전달되며, 견인장치가 저작시에도 방해가 되지 않는 장점을 가지고 있는 유용한 방법이다. 본과에서는 두개안면부 저성장을 가진 환자에서 Le Fort III 골절단술 후 피부를 관통하여 견인하는 강성 외장형 신장기를 이용하여 적은 합병증으로 매우 심미적인 결과를 얻을 수 있었다. 중안면부의 골신장술을 이용한 치료법은 아직 장기적인 추적 조사가 필요하지만 많은 합병증을 유발하고 골편의 이동량이 제한되는 기존의 골절단술과 소형 금속판을 이용한 골접합술을 대체할 수 있는 유용한 방법으로 생각된다.

• 대한음성학회지:말소리
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• 제62호
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• pp.51-68
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• 2007

Two experiments were conducted to determine the exact locus of the frequency effect in speech production. Experiment 1 addressed the question as to whether the word frequency effect arise from the stage of lemma selection. A picture-word interference task was performed to test the significance of interactions between the effects of target frequency, distractor frequency and semantic relatedness. There was a significant interaction between the distractor frequency and the semantic relatedness and between the target and the distractor frequency. Experiment 2 examined whether the word frequency effect is attributed to the lexeme level which represent phonological information of words. A methodological logic applied to Experiment 2 was the same as that of Experiment 1. There was no significant interaction between the distractor frequency and the phonological relatedness. These results demonstrate that word frequency has influence on the processes involved in selecting a correct lemma corresponding to an activated lexical concept in speech production.

• Maxillofacial Plastic and Reconstructive Surgery
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• 제28권4호
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• pp.356-364
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• 2006

Transverse mandibular deficiency has a many problem in growing patients. Therefore, Mandible symphysis widening is recommended. A new surgical technique has been developed to widen the mandible. The purpose of this study is to report the effect of mandibluar symphyseal distraction osteogenesis by use of bone-borne type distractor. The surgical procedure was accomplished under general anaesthesia with step-line osteotomy. Bone-borne type distractor was used to generally widen the mandible. The expansion achieved in the mandible was 8.31mm at the device, 6.32mm at the canines, 4.06mm at the first molars. The symphyseal distraction gaps were bridged by new bony regeneration. Mandibular symphseal distraction osteogenesis increased mandibular arch width, stabilized occlusion, and corrected dental crowding.

• 대한음성학회지:말소리
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• 제57호
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• pp.59-72
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• 2006

The purpose of this study was to see whether Korean-English bilinguals' semantic systems of Korean and English are shared or separated between the two languages. In a series of picture-word interference tasks, participants were required to name the pictures in Korean or in English with distractor words printed either in Korean or English. The distractor words were any of identical, semantically related, or neutral to the picture. The response time of naming was facilitated when distractor words were semantically identical for both same- and different-language pairs. But this facilitation effect was stronger when naming was produced in their native language, which in this case was Korean. Also, inhibitory effect was found when the picture and its distractor word were semantically related in both same- and different-language paired conditions. From these results it can be concluded that semantic representations of Korean and English may not be entirely but partly overlapping in bilinguals.

• 말소리와 음성과학
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• 제15권4호
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• pp.11-16
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• 2023

The present study examines how a cognitive attention affects Korean learners of English (L2) in perceiving the English stop voicing distinction (/d/-/t/). This study tested the effect of attentional distractor on primary and non-primary acoustic cues, focusing on the role of Voice Onset Time (VOT) and fundamental frequency (F0). Using the dual-task paradigm, 28 Korean adult learners of English participated in the stop identification task carried with (distractor) and without (no-distractor) arithmetic calculation. Results showed that when distracted, Korean learners' sensitivity to VOT decreased as priorly reported with native English speakers. Furthermore, as F0 is a primary cue for a L1 Korean stop laryngeal contrast, its role in L2 English voicing distinction was also affected by a distractor, without compensating for the reduced VOT sensitivity. These findings suggest that flexible use of multiple cues in L1 is not necessarily beneficial for L2 phonological processing when coping with a adverse listening condition.

• 인지과학
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• 제17권1호
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• pp.29-52
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• 2006

이 연구는 Weissman과 Banich(1999)가 제안했던 반구 간의 상호작용보다도 표적자극과 방해자극의 반구 간 분리처리가 간섭을 감소시키는 데 더 효과적이라는 것을 밝히기 위해 수행되었다. 이를 위해 사각형의 색과 단어가 의미하는 색을 비교하는 세 개의 실험이 수행되었다. 실험 1에서는 표적자극 중의 하나인 단어의 색 차원이, 실험 2와 3에서는 단어의 글자 색이 검정색으로 고정된 상태에서 제 3의 자극인 원의 색이 방해자극으로 사용되었다. 실험 결과 두 표적자극의 비교를 위해 반구간 상호작용이 요구되는 반구간 비교조건에서, 반구간 상호작용은 요구하지 않지만 방해자극이 표적자극과 다른 반구로 투사된 반구내 비교 조건보다 더 큰 간섭효과가 관찰되었다. 이 결과는 반구간 상호작용보다도 표적과 방해자극의 반구간 분리가 간섭 감소에 더 효과적임을 시사한다. 실험 3에서는 원이 단어나 사각형과 분리되어 다른 반구에 제시될 때 주변단서를 이용하여 원의 위치로 주의를 유도하면 방해자극의 반구간 분리 효과가 사라지면서 반구간 비교와 반구내 비교 조건의 간섭효과가 유사해지는 것을 보여 주었다.