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건설 메타버스(Con-Metaverse): 메타버스의 건설 산업 적용 활성화를 위한 영향인자 분석
유채연 ( Yu Chaeyeon ),김성진 ( Kim Sungjin ) 한국건축시공학회 2023 한국건축시공학회 학술발표대회 논문집 Vol.23 No.1
Since the COVID-19 pandemic, the importance of remote work has been emphasized, and new digital technologies are rapidly being developed. One such digital technology is the metaverse, which combines reality and virtual space to create an expanded digital world. The metaverse can provide online collaborative spaces that visualize and transmit information and data in real-time. When applied to construction sites, this technology is expected to enable more efficient and stable project management. However, research on construction metaverses, both domestically and internationally, is still inadequate. In this study, 16 influential factors for promoting the application of metaverses to the construction industry were identified through the initial stages of the system dynamics technique. These performance factors were classified into four categories: system-related factors for metaverse site construction, device-related factors, user-related factors, and construction site-related factors. It is expected that this study will promote research on the activation of Con-Metaverse by developing casual loop diagrams(CLD) to identify the relationship between each performance factor and constructing stock & flow diagrams(SFD) for simulations in future studies.
Yerim Shin,Chaeyeon Yu,Sungmin Jo,Jeong-Sug Kyong,Jinsook Kim 한국청각언어재활학회 2022 Audiology and Speech Research Vol.18 No.3
Purpose: The music rehabilitation program (MRP) promotes auditory, language, cognitive, and motor development of the brain. The significance of MRP was studied through mismatch negativity (MMN) and Music Listening Attitude and Satisfaction Questionnaire for hearing loss (MASQ_H). Methods: Fifteen adult cochlear implant (CI) users (34.5 years; standard deviation, ± 11.6) participated. MMN was tested before and after MRP training at the stimulus intensity level of 70 and 100 dB hearing loss (HL). In addition, MASQ_H was utilized. Results: For the pre- and post-tests of MMN, the average amplitudes of the waveforms were -2.48 ± 1.95 μV and -6.11 ± 4.21 μV and the areas were 208.16 ± 211.59 μV·ms and 527.87 ± 360.42 μV·ms with the significant difference when the stimulus level was presented at 70 dB HL. For MASQ_H, 90.9% of the participants responded that they felt satisfied with listening to music using CI or hearing aid. When asked about the musical factors that were improved in the music listening, the ‘pitch perception’ and ‘timbre perception’ were responded showing increased satisfaction rates. Conclusion: This study confirmed that MRP improved language processing by facilitating auditory processing, cognitive ability, and neural plasticity of the central auditory system through the increased amplitude and area of MMN after MRP application. Furthermore, providing a systematic music training such as MRP could change the music listening attitudes and satisfaction of the CI users’. The active implementation of music rehabilitation is strongly suggested.