• Asia pacific journal of information systems
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• 제17권4호
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• pp.165-186
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• 2007

With the advent of a wide variety of Internet shopping malls, consumers can choose a best appealing shopping mall from among the Bricks-and-Clicks and Pure-Player malls. Pure-Players launched their operation grandiosely with the early stage of Internet use in 1995. However, after the burst of Dot-com company bubbles in 1997, Pure-Players introduce various types of business models to meet potential needs of consumers. While Pure-Players suffer skeptical views from market analysts as well as consumers, traditional offline companies learned important lessons from Dot-com companies collapse phenomena, and expanded their business channels into online in the name of Bricks-and-Clicks. Nowadays, Bricks-and-Clicks successfully establish in the market as one of reliable business partners among consumers. Therefore, it is no surprise that recent competitions between Bricks-and Clicks and Pure-Players become fiercer than ever to attract potential customers to their websites. In this situation, consumers can choose a shopping mall to their best satisfaction. Consumers can enjoy both offline and online options for shopping because Bricks-and Clicks provide both offline and online channels to consumers, which is compared with Pure-Players offering only online channel. Offline channel is unique in providing consumers with chances to touch and feel target products and services. Meanwhile, online channel is considered very viable and convenient shopping options for consumers. In this respect, it is easily assumed that consumers will show different online shopping behavior when they have to choose either Bricks-and-Clicks mall or Pure-Player mall for the sake of shopping. Remaining research issue in this case is how much consumers' schema would influence online shopping behavior between Bricks-and-Clicks and Pure-Players. Basically, schema is a framework for synthetic information recognition that individual consumers have and is very characteristic in that it focuses not on fragmentary facts but on the combination of various causes affecting results. Consumers' schema is closely represented by trust, structural assurance, and perceived relative advantage towards a specific type of shopping mall. In literature, there exist a lot of studies comparing Bricks-and-Clicks and Pure-Players. However, there is no study to pursue the analysis of consumer behaviors comparing Bricks-and Clicks and Pure-Players from the schema perspective. Therefore, this study aims to investigate this research gap. Empirical analysis is adopted by garnering valid questionnaires from 514 Internet shopping mall users. 237 were mainly using Bricks-and-Clicks for shopping, while 277 were found to visit Pure-Players for shopping. PLS was applied to analyze the survey data to verify the proposed research hypotheses. Findings from the empirical test results are as follows. First, consumers perceive more trust and relative advantage in Pure-Players, comparing with Bricks-and-Clicks. This result is against widely-accepted perception that Bricks-and-Clicks would be perceived by consumers as more trustworthy and relatively advantageous because they have offline reputation and stores. Therefore, it becomes more obvious that Internet is becoming daily necessaries, and consumers increasingly feel very comfortable in using the Internet for their own personal purposes. Second, consumers have firm faith in transaction safety, regardless Bricks-and-Clicks and Pure-Players. This seems due to the fact that most of shopping malls showing dubious transaction safety have no place in the market. In a nutshell, empirical results tell us that Pure-Players will grow very much in the future, to the extent that consumers perceive no difference in comparison with Bricks-and-Clicks. Besides, consumers' schema accumulated through trust and perceived relative advantage plays crucial role in determining consumer behavior.

• 한국치위생학회지
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• 제4권1호
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• pp.105-117
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• 2004

The purpose of this study was to examine the effect of aroma therapy on anxiety and pain before and after tooth extraction. The subjects in this study were 60 patients who felt severe anxiety and pain due to tooth extraction. The experiment was conducted from January through March, 2004, by organizing an experimental group and a control group with 30 patients each. The experimental group was asked to keep wearing lavender-containing necklaces from two days before tooth extraction to inhale lavender, and no such an action was taken to the control group. The collected data were analyzed with SPSS 10.0 program to obtain statistical data. and ${\times}2$ test and t-test were implemented. The findings of this study were as follows: 1. Regarding whether or not the experimental and control groups were homogeneous, men outnumbered women, and the largest number of the patients were in their 30s. Those who were married were more than the others who were unmarried in number, and those who lived with their spouses under the same roof together outnumbered the others who didn't, as the rate of the former stood at 65 percent in the experimental group and 86.4 percent in the control group. They expressed high satisfaction at their spouses, since 45 percent of the experimental group and 31 percent of the control group did it, but the difference between them and those who were unsatisfied was insignificant (pE0.347). By occupation, the largest number of people in the experimental group, which numbered 16.7 percent, were self-employed, and lots of patients in the control group were government workers. As for blood type, type A was most prevailing, which recorded 43.3 percent. By religion, 43 percent of the experimental group had no religion, whereas 36.7 percent of the control group were Christian. The most common monthly income ranged from 2 million to 2.5 million won. 2. There was little disparity in past pain experience between the two groups before aroma therapy was applied. The experimental group underwent more pain (6.15) than the control group (5.78), but the difference wasn't significant. The experimental group (90%) experienced more anxiety and fear than the control group(83%), but the difference was insignificant. This fact showed that there was little gap between the two groups in anxiety and fear caused by tooth extraction. Contrary to earlier expectation that pre-anxiety might not be the same. little significant difference was found. 3. After aroma therapy was applied, 50 percent of the experimental group and 23.3 percent of the control group suffered significantly less anxiety and fear about tooth extraction(${\times}2$=4.59, pE.05). And the experimental group exposed to aroma therapy was less nervous(3.0) than the control group(4.39), and the gap between the two was significant (t=13.37, pE.001). Therefore, aroma therapy had a good effect on alleviating their anxiety. During tooth extraction. 73.3 percent of the experimental group and 93.3 percent of the control group felt pain. The former group suffered Significantly less pain(${\times}2$=4.32, PE.05). Concerning the extent of pain, the experimental group(2.53) found it less painful to have their teeth extracted than the control group(5.50), and the gap between the two was significant(t=5.89, PE.05). 4. As to the effect of aroma therapy on alleviating anxiety or fear, the experimental group(33.3%) felt that aroma therapy let them more relieved. Every member of that group was willing to use aroma therapy again in the future, and 86.7 percent of that group perceived that aroma therapy made a difference to dental treatment. The experimental group responded to aroma therapy favorably, as every member of it had an intention to advise others to use that therapy.

• Asia pacific journal of information systems
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• 제24권2호
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• pp.211-232
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• 2014

Recently, there is a growing interest toward social commerce using SNS(Social Networking Service), and the size of its market is also expanding due to popularization of smart phones, tablet PCs and other smart devices. Accordingly, various studies have been attempted but it is shown that most of the previous studies have been conducted from perspectives of the users. The purpose of this study is to derive user-centered CSF(Critical Success Factor) of social commerce from the previous studies and analyze the CSF perception gap between social commerce service providers and users. The CSF perception gap between two groups shows that there is a difference between ideal images the service providers hope for and the actual image the service users have on social commerce companies. This study provides effective improvement directions for social commerce companies by presenting current business problems and its solution plans. For this, This study selected Korea's representative social commerce business Ticket Monster, which is dominant in sales and staff size together with its excellent funding power through M&A by stock exchange with the US social commerce business Living Social with Amazon.com as a shareholder in August, 2011, as a target group of social commerce service provider. we have gathered questionnaires from both service providers and the users from October 22, 2012 until October 31, 2012 to conduct an empirical analysis. We surveyed 160 service providers of Ticket Monster We also surveyed 160 social commerce users who have experienced in using Ticket Monster service. Out of 320 surveys, 20 questionaries which were unfit or undependable were discarded. Consequently the remaining 300(service provider 150, user 150)were used for this empirical study. The statistics were analyzed using SPSS 12.0. Implications of the empirical analysis result of this study are as follows: First of all, There are order differences in the importance of social commerce CSF between two groups. While service providers regard Price Economic as the most important CSF influencing purchasing intention, the users regard 'Trust' as the most important CSF influencing purchasing intention. This means that the service providers have to utilize the unique strong point of social commerce which make the customers be trusted rathe than just focusing on selling product at a discounted price. It means that service Providers need to enhance effective communication skills by using SNS and play a vital role as a trusted adviser who provides curation services and explains the value of products through information filtering. Also, they need to pay attention to preventing consumer damages from deceptive and false advertising. service providers have to create the detailed reward system in case of a consumer damages caused by above problems. It can make strong ties with customers. Second, both service providers and users tend to consider that social commerce CSF influencing purchasing intention are Price Economic, Utility, Trust, and Word of Mouth Effect. Accordingly, it can be learned that users are expecting the benefit from the aspect of prices and economy when using social commerce, and service providers should be able to suggest the individualized discount benefit through diverse methods using social network service. Looking into it from the aspect of usefulness, service providers are required to get users to be cognizant of time-saving, efficiency, and convenience when they are using social commerce. Therefore, it is necessary to increase the usefulness of social commerce through the introduction of a new management strategy, such as intensification of search engine of the Website, facilitation in payment through shopping basket, and package distribution. Trust, as mentioned before, is the most important variable in consumers' mind, so it should definitely be managed for sustainable management. If the trust in social commerce should fall due to consumers' damage case due to false and puffery advertising forgeries, it could have a negative influence on the image of the social commerce industry in general. Instead of advertising with famous celebrities and using a bombastic amount of money on marketing expenses, the social commerce industry should be able to use the word of mouth effect between users by making use of the social network service, the major marketing method of initial social commerce. The word of mouth effect occurring from consumers' spontaneous self-marketer's duty performance can bring not only reduction effect in advertising cost to a service provider but it can also prepare the basis of discounted price suggestion to consumers; in this context, the word of mouth effect should be managed as the CSF of social commerce. Third, Trade safety was not derived as one of the CSF. Recently, with e-commerce like social commerce and Internet shopping increasing in a variety of methods, the importance of trade safety on the Internet also increases, but in this study result, trade safety wasn't evaluated as CSF of social commerce by both groups. This study judges that it's because both service provider groups and user group are perceiving that there is a reliable PG(Payment Gateway) which acts for e-payment of Internet transaction. Accordingly, it is understood that both two groups feel that social commerce can have a corporate identity by website and differentiation in products and services in sales, but don't feel a big difference by business in case of e-payment system. In other words, trade safety should be perceived as natural, basic universal service. Fourth, it's necessary that service providers should intensify the communication with users by making use of social network service which is the major marketing method of social commerce and should be able to use the word of mouth effect between users. The word of mouth effect occurring from consumers' spontaneous self- marketer's duty performance can bring not only reduction effect in advertising cost to a service provider but it can also prepare the basis of discounted price suggestion to consumers. in this context, it is judged that the word of mouth effect should be managed as CSF of social commerce. In this paper, the characteristics of social commerce are limited as five independent variables, however, if an additional study is proceeded with more various independent variables, more in-depth study results will be derived. In addition, this research targets social commerce service providers and the users, however, in the consideration of the fact that social commerce is a two-sided market, drawing CSF through an analysis of perception gap between social commerce service providers and its advertisement clients would be worth to be dealt with in a follow-up study.

• 한국정보시스템학회지:정보시스템연구
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• 제22권2호
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• pp.51-83
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• 2013

Personal creativity is critically important for organizations seeking to survive and thrive in today's highly turbulent business environments. Organizations must effectively identify and mobilize the creative resources of their members. When organizational members perceive a work environment that restricts or fails to encourage individual creative expression, a gap may exist between the level of individual creative potential and the actual amount of individual creativity practiced within the organization. In this situation, this paper will examine the impact of role conflict, role ambiguity, creative self-efficacy, and personal initiative on personal creativity. Creative self-efficacy is the subjective belief in one's personal ability to be creative, that is, a personal assessment of one's own creative potential. A strong internal belief in one's ability to successfully engage in creative behaviors is generally considered an important part of the creative process. Personal Initiative refers to behaviors, mainly directed toward work and organizational issues, that are characterized by the following aspects: self-starting, proactive, and persistent in overcoming barriers. Creativity-related creative self-efficacy and personal initiative are critical components to understand motivation that coordinates the relationship between perception and behavior of individual employees. Based on role theory, researchers have focused on role conflict and role ambiguity as the two key ingredients of role stress. Role ambiguity is defined as an evaluation about the lack of salient information needed to perform a role effectively. Role conflict results from two or more sets of incompatible demands involving work-related issues. Employees are usually pursued work-roles more than one in work-focused organization. Too many work-roles and perceived uncertainties at employee's work can be obstacles to personal creativity. In an analysis of results, while role conflict is not negatively related significantly to creative self-efficacy, role ambiguity is negatively related significantly to creative self-efficacy. While role conflict is significantly related to personal creativity, role ambiguity is negatively related significantly to personal creativity. Creative self-efficacy mediates the relationship among role conflict, role ambiguity, and employee creativity. Personal initiative mediates the relationship between creative self-efficacy and employee creativity. This paper shows that creative self-efficacy and personal initiative are the driving force behind personal creativity. Organizations can get some implications of creative-related role conflict and role ambiguity that employees have experienced. As a result, organizations must not only encourage creativity of employees by greater involvement but also encourage their input towards their-focused own works and tasks. And employees should be developed to pace with the organizational needs and development. Management must enable employees to think of new ideas and practices that promotes personal creativity.

• 보건교육건강증진학회지
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• 제21권1호
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• pp.115-135
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• 2004

The purpose of this study was to examine the health knowledge, attitude and behaviors of Korea high school students and find out the relationship between knowledge, attitude and behaviors in an effort to lay the foundation for the development of health-promotion programs and health education for adolescents. The subjects were 505 students in their first and second year of high school in Gangnam-gu and Guro-gu, Seoul. After a survey was conducted for seventeen days from April 23 to May 9, 2003, with self-administered questionnaires, the collected data was encoded and analyzed with SPSS Win 11.0 program. The frequency, percentage, mean and standard deviation were calculated, and χ²-test, t-test, ANOVA, Scheffe Post Hoc Tests and Pearson Correlation procedure were employed. The findings of this study were as follows： 1. There appeared significant differences in general traits, family-related characteristics and health-related features between the students in Gangnam and the others in Guro. 2. The collective average of the Gangnam residents in health knowledge was 13.97, and that of the Guro residents was 14.64. The overall collective average was 14.35(total of 22 points), and 65.2 percent of the students investigated had a correct knowledge. The points showed significant differences in the variables of sex, economic status, mother's occupation,and health concerns. 3. The students from Gangnam scored a mean of 77.55 in health attitude, and the others from Guro got an average of 78.75. The overall collective average was 78.22(total of 110 points), and 71.1 percent took a correct attitude toward health. The points showed significant differences in the variables of sex, religion, mother's education level, health concerns. 4. In the field of health behavior, the Gangnam residents got a mean of 63.99, and the Guro dwellers scored a mean of 62.12. There was a significant gap between the two groups, and the overall collective average was 62.94(total of 102 points). 61.5 percent tried to stay fit in a correct behavior. The points showed significant differences in the variables of sex, economic status, parents' education level, father's occupation, health concern of parents, self-perceived health status, health concern, exercise or diet performance for health, health education times for 1yr. 5. Concerning the relationship of health knowledge to health attitude and behavior, the health knowledge showed significantly positive correlation with health attitude(r＝0.227, p＜0.01), and the health knowledge showed significantly positive correlation with health behavior(r＝0.262, p＜0.001). But their relationship is comparatively low. The health attitude was not significantly correlated to health behavior.

• 한국식품영양과학회지
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• 제45권4호
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• pp.585-592
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• 2016

중국 북경지역 대학 급식소의 음식과 서비스 품질 개선 방안을 마련하고자 중국 북경지역 3곳의 대학 급식소를 이용하는 고객 총 619명을 대상으로 설문조사 하여 통계분석 한 결과 조사대상자는 남자가 53.5%, 여자가 46.5%였고, 평균 연령은 만 23세였다. 전체 응답자 중 하루 세끼 식사를 하는 비율은 전체의 85.3%였고, 대학 급식소에서 점심을 하는 비율은 1주일에 평균 5회 이상인 경우가 전체의 85.5%였다. 그리고 점심비 평균은 5위안(원화 905원) 초과에서 8위안(원화 1,448원) 이하가 전체의 51.7%로 가장 많았으며 대학 급식선택속성에 대한 IPA(Importance-Performance Analysis) 결과 우선으로 개선이 필요하다고 평가된 항목은 '음식의 맛', '음식 재료의 신선도', '메뉴의 다양성', '식사 대기시간'과 '화장실의 청결' 등이었다. 그리고 조사대상자의 특성에 따른 급식선택속성 요인의 만족도 차이 분석 결과 '음식의 질과 메뉴' 요인에 대한 만족도는 평균 급식비가 8위안(1,448원) 초과한 그룹이 다른 그룹에 비해 유의적으로 낮았고(P<0.05), '물리적 환경' 요인에 대한 만족도는 대학 급식소에서 점심을 1주일 평균 4회 이하로 하는 그룹이 5회 이상 식사하는 그룹에 비해 유의적으로 낮았다(P<0.05). 또한 '서비스 질' 요인에 대한 만족도는 매일 대학교 급식소에서 점심식사를 하는 그룹이 다른 그룹에 비해 유의적으로 높았으며(P<0.05), '편리성과 가격' 요인에 대한 만족도는 평균 급식비가 5위안(905원) 이하인 그룹이 다른 그룹에 비해 유의적으로 높았다(P<0.05). 따라서 중국 대학 급식소의 급식관리자는 급식소 이용 고객의 만족도를 증대시키기 위해서 음식의 질 개선과 함께 적정한 가격에 다양한 메뉴를 제공하는 방안을 적극적으로 모색해야 할 것이다.

• 방송공학회논문지
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• 제11권1호
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• pp.116-129
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• 2006

인터넷을 통한 데이터 전송 기술의 발전은 다양한 실감 콘텐츠를 확산시키는 역할을 하고 있고, 이러한 실감 콘텐츠의 하나로 다시점 비디오가 연구되고 있다. 다시점 비디오는 여러 대의 카메라로부터 획득한 영상을 사용자에게 전달해 원하는 시점에서 영상을 시청할 수 있도록 하는 차세대 영상이다. 다시점 영상을 공급하기 위해서는 일반적으로 카메라 개수와 같은 개수의 엔코더와 디코더가 필요하며, 또한 상대적으로 큰 전송 대역폭을 필요로 한다. 본 논문에서는 상기 문제점을 해결하기 위해서 단일 엔코더와 디코더만을 이용하는 다시점 비디오 시스템을 제안한다. 부호화에서는 다시점 YUV 비디오를 GOP 단위로 믹싱하여 l 개의 YUV 스트립을 만든 후에, 단일 H.264/ AVC 엔코더로 부호화하여 압축 비트열을 생성한다. 또한 복호화도 단일 디코더 및 이를 제어하는 스케줄러로 구성된다. 스케줄러는 디코더 이용률과 프레임 스킵을 활용하여 각 시점 영상들이 동등한 복호화 프레임 개수를 가지게 한다. 또한 프레임 스킵에서는 비용 함수를 이용하여 H.264/AVC 프로화일에 따른 효율적인 프레임 선택 방법을 제안한다. 다양한 메인 및 베이스라인 프로화일 다시점 영상들을 활용하여 제안 방법의 성능을 검증하였다. 실험 결과는 각 시점 영상이 동등한 디코더 이용률을 얻는 것을 보여준다. 또한 rate-distortion 커브를 이용하여 제안한 방식과 동시 방식의 성능을 검증하였다.

• 한국산림과학회지
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• 제103권4호
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• pp.646-654
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• 2014

본 연구에서는 우리나라 산림부문 공적개발원조(Official Development Assistance, ODA) 이해관계자 집단을 대상으로 한국 임업발전에 기여한 분야와 분야별 국제경쟁력에 대한 평가를 통해 우리나라 산림부문 공적개발원조현주소를 파악하고 향후 우선 중점분야에 대한 인식 조사를 통해 한국 산림ODA의 확산 및 발전 방향을 모색하고자 하였다. 이를 위해 일반인과 전문가 248명을 대상으로 설문조사를 실시하였으며 결과분석을 위해 교차분석의 카이검정, 독립표본 t-검정, 일원배치분산분석과 Duncan 사후검정을 실시하여 집단 간 인식차이를 비교하였다. 조사결과 한국 산림 및 임업발전 기여도와 산림ODA 사업 시 국제경쟁력에 대해 조사대상자 전체적으로 '산림보존 및 산림황폐지 복구' 영역을 가장 높게 평가하는 것으로 나타났고, 전문가 집단 중 ODA 전문가 집단은 '산림정책 및 제도 연구 역량강화' 영역의 국제경쟁력을 산림전문가 집단에 비해 높이 평가하는 특징을 보였다. 그리고 한국 산림 ODA 우선 중점분야에 대하여 일반인은 '탄소배출권 관리'와 '산림 종 다양성 보전'을 중요하게 인식하는 것으로 나타나 산림황폐지 복구 등과 같은 기존의 단위사업을 선호하는 전문가 집단과는 큰 인식차이를 보였다. 결론적으로 효과적인 산림ODA 실행을 위해서는 과거 한국의 산림복구녹화경험을 기초로 하고 국제사회에서 새롭게 요구하는 기후변화대응, 생물다양성 보존 등의 신 분야에 대처할 수 있는 산림역량강화 프로그램 개발과 함께 이해집단 간 인식차이를 완화시키기 위한 노력이 우선될 필요가 있다. 이는 향후 북한 산림 복구에도 활용될 수 있을 것이다.

• 한국HCI학회논문지
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• 제1권2호
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• pp.19-26
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• 2006

가상환경 또는 실제 환경에서 정보를 제공하는 햅틱 인터페이스의 필요성이 점점 증가함에 따라 촉감을 제공하기 위한 다양한 햅틱 장치가 개발되었고 각 장치의 특성과 성능 평가를 위해 기초적인 정신(심리) 물리학적 연구가 수행 되고 있다. 본 논문에서는 여러 가지 햅틱 인터페이스 중 손가락 끝에 부착하는 형태의 새로운 공기 촉감 제시장치(PTI: Pneumatic Tactile Interface)를 제시하고 이 장치의 유용성을 입증하기 위해 localization rate, 시간 분해능, 길이 분해능, 강도의 세기 등의 심리 물리학적 실험(Psychophysical Experiment)의 수행 결과를 제시한다. 공기촉감 시스템은 50개의 출력까지 확장 가능한 공기촉감 하드웨어로 구성되어 있고 손가락 끝에 부착하는 형태로 구성하기 위해 $5{\times}5$의 배열의 디스플레이를 제작하였다. 16명의 피 실험자가 A, B 두 그룹으로 나뉘어 각각 2가지의 심리물리학 실험을 수행하였다. localization rate의 경우 9개의 다른 자극의 위치를 구별하기 위해 $3{\times}3$ 배열로 구성된 밀집된 디스플레이와 확장된 디스플레이로 측정을 수행하여 각각 58.13%, 85.9%의 localization rate를 얻을 수 있었다. 그리고 100번의 반복 실험을 통해 공기촉감제시장치의 길이 분해능을 얻을 수 있었고 자극 강도 실험의 경우, 실제의 강도가 세어짐에 따라 피 실험자들이 느끼는 강도의 척도도 증가하며, 강도가 약해지면 피 실험자들이 느끼는 강도 역시 거의 선형적으로 감소함을 알 수 있었다. 그러나 시간 분해능의 경우에는 시스템을 구성하는 밸브의 성능으로 인해 20ms 이하의 시간 분해능 측정은 제한되었다. 이러한 심리 물리학적 실험을 통하여 개발된 공기촉감 제시장치가 다양한 정보를 전달하는데 충분하다는 결론을 내릴 수 있으며, 향후 연구에서는 제안된 시스템을 사용하는 여러 가지 어플리케이션을 제시할 것이다.

• 대한인간공학회지
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• 제33권5호
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• pp.395-405
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• 2014

Objective: The aim of this study is to investigate 1) somatotopic arrangement of the second and third fingers in SI area 2) difference of neural activation in the SI area produced by stimulation with different frequencies 3) correlation between the intensity of tactile perception by different stimulus intensity and the level of brain activation measurable by means of fMRI. Background: Somatosensory cortex can obtain the information of environmental stimuli about "where" (e.g., on the left palm), "what" (e.g., a book or a dog), and "how" (e.g., scrub gently or scrub roughly) to organism. However, compared to visual sense, the neural mechanism underlying the processing of specific electrotactile stimulus is still unknown. Method: 10 right-handed subjects participated in this study. Non-painful electrotactile stimuli were delivered to two different finger tips of right hand. Functional brain images were collected from 3.0T MRI using the single-shot EPI method. The scanning parameters were as follows: TR and TE were 3000, 35ms, respectively, flip angle 60, FOV $24{\times}24cm$, matrix size $64{\times}64$, slice thickness 4mm (no gap). SPM5 was used to analyze the fMRI data. Results: Significant activations produced by the stimulation were found in the SI, SII, the subcentral gyrus, the precentral gyrus, and the insula. In all participants, statistically significant activation was observed in the contralateral SI area and the bilateral SII areas by the stimulation on the fingers but ipsilaterally dominant. The SI area representing the second finger generally located in the more lateral and inferior side than that of the third finger across all the subjects. But no difference in brain area was found for the stimulation of the fingers by different frequencies. And two typical patterns were observed on the relationship between the perceived psychological intensity and the amount of voxels in the primary sensory cortex during the stimulation. Conclusion: It was possible to discriminate the representation sites in the SI by electrotactile stimulation of digit2 and digit3. But we could not find the differences of the brain areas according to different stimulation frequencies from 3 to 300Hz. Application: The results of the study can provide a deeper understanding of somatosensory cortex and offer the information for tactile display for blinds.