• Title/Summary/Keyword: 지각부담

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The Effects of Perceptual Load and Category-Specific Dilution on Visual Search (지각적 부담과 범주 별 희석이 시각 탐색에 미치는 영향)

  • Rhim, Jee-Hyang;Yi, Do-Joon
    • Korean Journal of Cognitive Science
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    • v.21 no.1
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    • pp.177-197
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    • 2010
  • Three experiments compared two hypotheses on visual selection; perceptual load hypothesis and dilution hypothesis. The perceptual load hypothesis predicts that perceptual load of task-relevant processing determines the level of task-irrelevant processing whereas the dilution hypothesis predicts that competition for limited-capacity attentional resource, not perceptual load, determines the locus of selection. To compare the two hypotheses, we investigated the influence of perceptual load in visual search on response interference by a distractor. Experiment 1 and 2 manipulated perceptual load by the set size of a search array and the colors of a target and non-targets, respectively. As a result, distractor interference decreased with a set size regardless of perceptual load. In order to further test the set size effect, Experiment 3 manipulated the perceptual categories of non-targets and a distractor. The results showed that distractor interference decreased only when non-targets belonged to the same category as a distractor. Overall, the current findings support the dilution hypothesis, but not the perceptual load hypothesis, and provide the evidence that visual selection is constrained by capacity-limited, category-specific attentional resources.

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The Affective Influences on Perceptual Load Effect: An Event-related Potential Study (지각부담효과에 미치는 정서의 영향: ERP 연구)

  • Park, Tae-Jin;Kim, Jung-Hee
    • Korean Journal of Cognitive Science
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    • v.23 no.2
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    • pp.165-184
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    • 2012
  • To investigate how the valence of unattended background picture modulates perceptual processing of a target letter, participants were required to detect a target letter among six letters superimposed on an IAPS picture. Perceptual load was manipulated by varying the difficulty of letter detection, and behavioral results showed more accurate and faster detection responses at the low-load condition than at the high-load condition. The analysis of ERP data of control condition at which six letters were presented without an IAPS picture showed perceptual load effects on mean amplitude of N1 and P1 ERP components. At experimental condition including an IAPS picture, interaction between valence and perceptual load was observed on mean amplitude of N1 at posterior visual processing area, and the amplitude difference between low-load condition and high-load condition was larger on a negative background picture than on a neutral background picture. The results suggest that more attentional capacity might be consumed by a negative picture than by a neutral picture, and suggest that unattended affective picture is processed automatically and influence the early perceptual processing of target stimulus.

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The Moderate Effect of Social Support on Family Caregivers' Burdens and Health and Quality of Life with Demented Patients (치매환자 가족부양자의 부양부담과 건강 및 삶의 질에 대한 사회지원의 중재효과)

  • Kyung-Hyun Suh ;Kyung-Im Chun
    • Korean Journal of Culture and Social Issue
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    • v.15 no.3
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    • pp.339-357
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    • 2009
  • As quickly becoming an ageing society in Korea, this study aims to investigate how family caregivers' burden with demented patients and social supports are related to their health and quality of life, and the interaction of caregiving burden and social supports on caregivers' health and quality of life. The participants were 207 family caregivers (106 females) of demented patients lived in Seoul, Kyunggi, and Chungcheong areas, whose average of age were 51.62 ( SD=9.25). The psychological tests used in this research included the following: Multidimensional Caregiver Burden Inventory, Chon's Physical Symptom Questionnaire, Hahn & Jang's Perceived Health Inventory, Negative Affect Self-Statement Questionnaire, and the Korean Version of Cambell's Subjective Well-being Scale, Social Support Survey in Medical Outcomes Study, and Kwon's Questionnaire for Maladjusted Problems of Demented. Results indicated that caregivers' burden with demented patient related to physical symptoms and depression positively, and perceived health and subjective well-being negatively. Social supports showed moderate effects on influences of caregiving burden in perceived health, depression, and subjective well-being of family caregivers with demented patients. It was identified the possibility of their buffering effect on negative results of caregiving burden with demented patients. Since caregiving burden accounted for the 34% of the variances for family caregivers' physical symptoms and depression, researchers discussed the promotion and intervention of their health and quality of life. Beside of different effects of social supports with level of caregiving burden, with previous studies it was discussed some saliant findings such as family caregivers with patients who showed severe dementia symptoms were perceiving even less supports from others.

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An Exploratory Research on Consumer Perceptions of Risk in the Internet Shopping (인터넷 쇼핑에 따른 소비자의 위험 지각에 관한 탐색 연구)

  • 이문규;최은정
    • Asia Marketing Journal
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    • v.2 no.4
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    • pp.36-53
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    • 2000
  • 소비자들이 제품을 구매할 때 갖는 위험 지각(perceptions of risk)은 인터넷을 통한 상거래의 확산에 있어서 큰 걸림돌이다. 즉, 소비자들은 구매전에 제품을 직접 만져보거나 시용해 보지 못하기 때문에 여러 가지 종류의 위험 부담을 안고 구매를 할 수밖에 없는 것이다. 본 연구는 소비자들이 인터넷 쇼핑을 할 때에 느끼는 이러한 여러 가지 위험 요소들을 실증 자료를 통하여 보다 구체적으로 살펴본 것이다. 특히 이 실증 연구에서는 이러한 요소들을 찾아내어 분류하였고, 이러한 위험 요소들이 인터넷 쇼핑몰에 대한 이용 의도에 미치는 상대적 영향력을 측정하였다. 또한 본 연구는 이러한 위험 지각 수준을 감소시킬 수 있는 쇼핑몰 평가 요인들에 주목하여, 이들의 위험 지각 요인들에 대한 영향력도 살펴보았다. 끝으로 본 연구가 인터넷 마케터들에 대하여 가지는 전략적 시사점을 논한다.

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Residents' Perception Differences on the Community Festival Impacts (지역축제의 영향에 대한 지역주민의 지각 차이 분석)

  • Cho, Bae-Haeng;Park, Jong-Jin
    • Journal of the Korean association of regional geographers
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    • v.13 no.1
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    • pp.68-81
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    • 2007
  • The purpose of this study was to analyze the perceptions of local residents towards the impact of Geumsan ginseng festival. This study was trying to examine the perception differences between groups of resident by tourism relatedness. Self-administered questionnaire survey was administered for the Geumsan residents. Frequency analysis, factor analysis, regression analysis, and t-test was administered for the perception differences. Using social exchange theory, it was revealed that tourism relatedness was relatively useful to test the perceptions differences of residents towards festival impacts. Tourism related residents perceived positive impacts more strongly and negative impacts Jess strongly compare to non related residents. The result suggested that residents' perception of festival impacts was dependent on the level of tourism relatedness and implications are drawn for community tourism policy and management.

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고령자들이 웰스테크(디지털 자산관리) 자문·일임서비스 사용의도에 영향을 미치는 특성 및 요인에 대한 연구

  • Gwak, Jae-Hyeok;Dong, Hak-Rim
    • 한국벤처창업학회:학술대회논문집
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    • 2021.11a
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    • pp.189-195
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    • 2021
  • 최근 고령화로 인한 수명연장은 노후생활비용 부담의 가중을 통해 고령자들의 노후파산 가능성을 높이는 핵심 위협요인이 되고 있기 때문에 이를 위한 사적자산의 안정적, 장기적인 관리와 증식이 필수적이다. 자산관리 자문/일임 서비스를 이용하는 것은 이를 해결할 수 있는 좋은 대안이지만 과거에는 서비스 이용가능 대상이 대형 금융기관을 거래하는 거액자산가들로 국한되어 있었다. 그런데 최근 기술혁신과 더불어 플랫폼을 기반으로 하는 웰스테크(디지털 자산관리) 서비스가 빠른 속도로 대중화되고 있어, 이를 활용하면 보다 많은 고령자들이 자산관리에 대한 부담을 경감할 수 있을 것으로 예상된다. 본 연구에서는 이런 이유로 최근 주목받는 웰스테크(디지털 자산관리) 자문/일임 서비스에 대한 고령자들의 사용의도에 영향을 미치는 특성 및 요인들을 파악하고자 한다. 이를 위해 기술수용이론 중 소비자가 얻는 혜택과 희생을 모두 고려하는 '가치기반수용모델(Value Based Model)'을 기본 모형으로 하되 웰스테크(디지털 자산관리) 자문/일임서비스의 특성을 고려하여 '가격효용성'을 혜택 요인에 추가하였다. 또한 고령자의 특성을 고려하여 희생 요인에 '인지된 위험'을, 별도의 요인으로 '사회적 영향'을 각각 추가하였다. 예상되는 연구결과로는 지각된 혜택에 해당하는 유용성, 즐거움, 가격효용성은 모두 인지된 가치에 유의한 (+)의 영향을 미칠 것으로 예상되는 반면, 지각된 희생에 해당하는 기술성과 인지된 위험은 모두 인지된 가치에 유의한 (-)의 영향을 미칠 것으로 예상된다. 또한 추가변수인 사회적 영향은 인지된 가치에 유의한 (+)의 영향을 미칠 것으로 예상된다.

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The Study on the Way of Art Appreciation and Education Program Using Principle of Perception and Eye Movement (시지각 특성과 시선운동 원리를 활용한 미술 감상 방법과 교육 프로그램에 관한 연구)

  • Kim, Mikang;Jang, Jinbeum;Kim, Chulhyun;Paik, Joonki
    • The Journal of the Korea Contents Association
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    • v.16 no.5
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    • pp.335-350
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    • 2016
  • Learning the principles of perception belongs to both the psychology and art field. However, people define that an art education is an activity of expression, so an activity of an art appreciation is either downsized or hardly proceeded in an art class. Therefore, the art appreciation educational program that gives a motivation to appreciate the work of art and to minimize a burden towards the activity of an art appreciation is needed. This paper proposes an educational program that includes activities to appreciate the work of art using the principles of perception and to create personal portfolios. Also, we analyze the eye movement of the paintings according to the principles of perception. Finally, proposes the art appreciation education program based on Feldman's critique method. In addition, we illustrate the example of the proposed art appreciation educational program with the analyzed paintings from section III.

The Study on a Various Parameter for the CT Test and the Patients-Anxiety of Factor Related (CT검사 시 다양한 매개변수와 환자의 불안 요인에 관한 연구)

  • Baek, Cheol-Oh;Han, Man-Seok
    • Journal of radiological science and technology
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    • v.34 no.2
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    • pp.149-156
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    • 2011
  • This study is to identify perceptions and response degrees of anxiety for each factor, targeting patients for CT test and analyze the relations between factors. It is to provide scientific fundamental data to reduce anxiety by improving awareness of patients about CT test by analyzing relations between variables. The subjects of this study were surveyed in self-writing type, targeting 263 patients for CT test in the department of radiology at three University hospitals from July to September, 2010. This survey was executed once by a structured self-administered survey type. The targeting patients for CT test of anxiety will investigate for affect. Anxiety by each CT test variables depending on CT test-related features showed independent variable is Expense Responsibility, Economic burden, Sufficient explain, Explain agent, Endoscope, Biopsy, Pre treatment, Previous experience, CT side effect experience, Side effect of contrast medium and dependent variable is physical, Hospital staff, Hospital environment, Socioeconomic These used statistics program SPSS (ver. 13.0). Summarizing the above results of this study, awareness of anxiety and response to it in each variable under CT test appeared significant differences in economic burdens, state anxiety, pre-treatment anxiety, exposure anxiety to radiation, and anxiety of side effect. Therefore, pre-treatment before test and pre-training programs on chemical poison of contrast medium and side effect seem to be able to release patients' anxiety level for CT test. Ways to meditate these anxiety variables and reduce degree of anxiety are needed to be researched more and updated. In addition, impact of patients' economic burdens on CT test anxiety is required to be recognized and solved in society level.

Social perception of schizophrenic patient as portrayed in Korean films (한국영화에 나타나는 조현병 환자에 대한 사회 인식)

  • Hong, Kyung-Young;Im, Sookbin
    • Journal of Digital Convergence
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    • v.16 no.4
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    • pp.157-166
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    • 2018
  • This study was conducted to identify the social perception of schizophrenic patients through films expressed in schizophrenic patients. We analyzed 48 films and scenarios that have been screened for the last 40 years by content analysis method to perceive interpersonal and emotional perception, perception of families and treatment measures. Patients were violent, dangerous, and burdensome to the family. However, specific experience or internal description has increased, and attitude of family or patients related to treatment has been more actively described since 1996. In conclusion, the perception of patients seen negative, want to avoid, giving burdens and pain to others. Therefore, to improve the social perception of mental disorders, it is necessary to make active use of films that have a high impact on public perception, and try to study the influence of visual media on perception change.

The Effect of Care Burden of Elderly Spouses Caring for Dementia Elderly on Life Satisfaction: The Moderating Effect of Social Support (치매 노인을 돌보는 노년기 배우자의 돌봄 부담감이 생활만족도에 미치는 영향: 사회적지지의 조절효과)

  • Park, Ju-Hee
    • Journal of Family Resource Management and Policy Review
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    • v.25 no.4
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    • pp.43-54
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    • 2021
  • The purpose of this study was to explore the effects of perceived care-related burden and social support on life satisfaction and the moderating effect of social support from elderly spouses caring for their elderly partners with dementia. The subjects were 165 spouses aged over 60 years, caring for their elderly partners afflicted with dementia, and living in Seoul and Gyeonggi Province. The analysis results are as follows: First, the quantified total care-related burden shouldered by the participant spouses was 3.76 points (SD = .57), which was slightly higher than the median value. In the case of social support, informal support was scored 2.65 (SD = .78), and formal support was scored 2.60 (SD = .77), which was lower than the median value. Life satisfaction earned a score of 3.11 points (SD = .78), which somewhat exceeded the median. Second, subjective health status, income level, burden from social activity, and informal support influenced life satisfaction. Put differently, the higher the subjective health status of a caring spouse, the higher the income level, the lower the social activity burden, the stronger the informal support, and the greater the life satisfaction. Third, the interaction terms of social activity burden and informal support were significant. Therefore, informal support had a moderating effect on the relationship between social activity burden and life satisfaction among the elderly with dementia. In other words, even though the caring spouses experienced a burden from social activities, the higher the frequency with which they accessed informal support, the lower the decrease in life satisfaction.