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사용 모드에 따른 반응지연 상황의 행동적, 정서적 효과
주효민 ( Hyo Min Joo ),김효선 ( Hyo Sun Kim ),김혜령 ( Hye Ryeong Kim ),한광희 ( Kwang Hee Han ) 한국감성과학회 2010 감성과학 Vol.13 No.1
시스템의 기능이 많아지면서 시스템의 반응시간은 중요한 요소로 인식되고 있다. 반응지연에 대한 기존의 연구들은 대부분 컴퓨터를 사용하는 상황을 바탕으로 이루어졌고 더 단순한 과제를 사용하는 기기를 바탕으로 이루어진 연구는 부족한 실정이다. 이에 본 연구는 휴대전화를 사용하는 상황에서 반응지연이 사용자들의 행동과 감정에 미치는 영향을 알아보고자 하였다(실험 1; 독립변인: 반응지연 정도, 종속변인: 행동적, 정서적 평가). 더 나아가 사용자가 제품을 사용하는 상황(활성화된 모드)에 따라 동일한 반응지연이 있을 경우 행동 및 감정 평가에서 차이가 나타나는지 알아보았다(실험 2; 독립변인: 반응지연 정도, 사용모드, 종속변인: 행동적, 정서적 평가, 스트레스, 정신적 노력). 그 결과, 반응지연이 있으면 과제를 수행하는 시간(효율성)이 길어지고 부정적인 감정이 유발됨을 알 수 있었다. 또한 상황(활성화된 사용 모드)에 따라서 동일한 과제를 수행하는 경우라도 그 평가에서 차이가 나타남을 알 수 있었다. 즉, 뚜렷한 목적을 가지고 과제를 했을 경우 반응지연이 있게 되면 그렇지 않은 경우보다 더 부정적인 감정을 느끼고 이 경우 반응지연의 유무가 큰 영향을 미친다는 결과가 나타났다. 또한 같은 과제를 수행함에 있어서도 정신적인 노력이 더 많이 소모된다고 느끼는 것으로 나타났다. 본 연구는 휴대전화 상황에서 반응지연 정도가 사용자들의 감정뿐 아니라 수행에도 영향을 줌을 확인하였고 동일한 과제의 제시한 경우라도 사용 환경에 따라 제품 평가에 차이를 보임을 실험을 통하여 확인하였다. System response times(SRTs) are getting important while increasing the function of system. In the past, most research studied SRTs on situation of computer usage. There are lacking the research on simple domain. This study focuses on behavioral and emotional effect on situation of cell phone usage(experience 1; independent variables: degree of SRTs, dependent variables: behavioral and emotional evaluation). And this study investigates the behavioral and emotional effect in same SRTs on different situation(experience 2; independent variables: degree of SRTs, usage mode, dependent variables: behavioral and emotional evaluation, stress, mental strain). The result indicated that long SRTs increased problem solving time and negative emotion. User evaluated the system differently according to usage mode after they performed the same task. In other word, if user had a strong goal, then they felt more negative emotion and mental effort than the user don`t have a strong goal. In the goal mode group, it was important there are being of delay or not. This study demonstrated that SRTs and usage mode influence user`s emotion and behavior performance in same task.
일반아동 참여의 과정중심 역할놀이가 자폐성장애 아동의 사회적 상호작용과 의사소통에 미치는 효과
신효순 ( Hyo Sun Shin ),이원령 ( Won Ryeong Lee ) 한국정서·행동장애아교육학회(구 한국정서학습장애아교육학회) 2013 정서ㆍ행동장애연구 Vol.29 No.1
본 연구는 일반아동이 참여한 과정중심 역할놀이가 자폐성장애 아동의 사회적 상호작용과 의사소통에 미치는 효과를 알아보고자 하였다. 과정중심 역할놀이란 역할놀이를 하는 과정 자체가 목적이 되는 활동으로서 역할놀이를 통한 전 과정을 의미한다. 본 연구는 자폐성장애로 진단 받은 3명의 아동과 일반아동 1명이 참여하였으며, AB설계로 기초선, 중재, 일반화, 유지를 통해 총 31회기 실시되었다. 연구 결과는 첫째, 자폐성장애 아동의 사회적 상호작용 중에서 ``호명에 반응하기``, ``또래와 함께 웃기`` 행동이 향상되었다. 둘째, 자폐성장애 아동의 의사소통 중에서 ``자발적 대답하기``, ``자발적 요구하기`` 행동이 향상되었다. 셋째, 자폐성장애 아동의 사회적 상호작용과 의사소통의 일반화와 유지는 기초선 보다 높았으나 중재기 보다는 낮게 나타났다. 이를 통해 자폐성장애 아동의 사회적 상호작용과 의사소통 향상을 위해 과정중심 역할놀이가 효과적이었으나 다양한 상황과 장소에서 중재실시의 필요성을 시사하고 있다. This study attempts to examine effects of process-based role play involved with a normal child on social interaction and communication of children with autistic disorder. The process-based roll play means an activity that its process becomes a purpose. In this study the roll play of the ``Golden Ax and Silver Ax``, an Aesop`s fable and ``Concert in Forest``, a creative fairy tale with a subject of a quarrel between friends, written together by researchers and children were practiced. Three children diagnosed as having autistic disorders and one normal child participated in this study, which was implemented for about 4 months and 20 days. It was practiced by applying AB design. The results of this study are as follows: First, the process-based roll play involved with a normal child enhanced the social interactions of children with autistic disorder, such as ``reacting to name-calling`` and ``laughing together``. Second, the process-based roll play involved with a normal child improved the communication of children with autistic disorder, such as ``spontaneous answering to questions`` and ``spontaneous demanding``. Third, the social interaction and communication during the maintenance and generation were reduced than those during the intervention.
Ahn, Hyo-Yong,Yoo, SeokJae,Cho, Nam Heon,Kim, Ryeong Myeong,Kim, Hyeohn,Huh, Ji-Hyeok,Lee, Seungwoo,Nam, Ki Tae American Chemical Society 2019 Accounts of chemical research Vol.52 No.10
<P><B>Conspectus</B></P><P>Over the last two decades, nanophotonics, including plasmonics and metamaterials, have promised compelling opportunities for exotic control over light-matter interactions. The strong chiral light-matter interaction is a representative example. Three-dimensional (3D) chirality has existed naturally only in organic molecules and bio-organisms, but a negligible chiroptic effect was attained with these naturally occurring materials because of their small absorption cross sections. However, inspired by biological chirality, nanophotonic chiral materials have greatly expanded the design space of accessible chiroptic effects (e.g., pushing the chiral light-matter interaction to an exceptional regime, such as a broad-band circular polarizer, negative refractive index, and sensitive chiral sensing). Nevertheless, it is still a challenge to achieve precisely defined and dynamically reconfigurable chiral morphologies that further increase the chiroptic effect.</P><P>Biological systems continue to inspire approaches to the design and synthesis of precisely defined 3D nanostructures. In particular, a living organism can program the evolutionary pathway of highly complexed 3D chiral morphology precisely from the molecular scale to the macroscopic scale while simultaneously enabling dynamic reconfiguration of their chirality. What if we could harness the power of biological selectivity and evolutionary capability in synthesizing chiral plasmonic materials? We envisioned that platform technology mimicking biological principles would enable control of 3D chiral structures for effective plasmonic interactions with polarized light and further impart the concept of time-dependent evolution (3D + 1D = 4D) to bring about responsive and dynamic changes in chiral plasmonics.</P><P>In this Account, we review our efforts to develop the biomolecule-based synthesis of 3D chiral plasmonic materials and share the vision that as in biological systems, chirality can be programmed at the molecular level and hierarchically transferred at multiple scales to develop macroscopic chirality. Accompanied by a biomimetic time-dependent chirality of singular plasmonic nanometals, we also summarize recent achievements in the chemistry and nanophotonics communities pursuing 4D plasmonics that are closely related to our research. The biomimetic and bioinspired approaches discussed in this Account will provide new synthetic insights into implementing chiral nanomaterials and extend the range of accessible nanophotonic design. We hope that the molecular encoding approach will be useful to achieve dynamic light-matter interactions at unprecedented dimensions, time scales, and chirality.</P> [FIG OMISSION]</BR>
분절성 호두까기 식도와 비효과적 식도 수축 형태를 동반한 Steakhouse Syndrome 1 예
심미령 ( Mi Ryeong Sim ),최창수 ( Chang Soo Choi ),염주진 ( Joo Jin Yeom ),오효정 ( Hyo Jeong Oh ),임윤혁 ( Yun Hyuk Yim ),서검석 ( Geom Seog Seo ),김태현 ( Tae Hyeon Kim ),최석채 ( Suck Chei Choi ),나용호 ( Yong Ho Nah ) 대한소화기기능성질환·운동학회 2005 Journal of Neurogastroenterology and Motility (JNM Vol.11 No.1
An impacted meat bolus is the most common type of food-related foreign body, and this is usually seen in elderly patients. Acute esophageal obstruction caused by eating poorly chewed meat has been called the Steakhouse syndrome or the Backyard barbecue
Weak Hyponomal Composition Operators Induced by a Tree
Lee, Mi-Ryeong,Ahn, Hyo-Gun Department of Mathematics 2010 Kyungpook mathematical journal Vol.50 No.1
Let g = (V, E, ${\mu}$) be a weighted directed tree, where V is a vertex set, E is an edge set, and ${\mu}$ is ${\sigma}$-finite measure on V. The tree g induces a composition operator C on the Hilbert space $l^2$(V). Hand-type directed trees are defined and characterized the weak hyponormalities of such C in this note. Also some additional related properties are discussed. In addition, some examples related to directed hand-type trees are provided to separate classes of weak-hyponormal operators.