• Title/Summary/Keyword: Sensory information

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Development of prosthetic hand for detecting grasping force using underactuated mechanism (Underactuated mechanism 을 이용한 파지력 감지 전동의수 개발)

  • Jo, Seong;Jang, Dae-Jin;Baek, Yoon-Su;Yang, Hyun-Seok
    • Proceedings of the KSME Conference
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    • 2004.04a
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    • pp.858-863
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    • 2004
  • In this study, the new prosthetic hand which can perform sensory feedback is developed. Although the continuous development of current prosthetic hands, they have some drawbacks. The drawbacks are the low grasping capabilities, the lack of sensory information given to the user, and so on. Despite the improvement of the function of fingers, the sensory information problem still remains undeveloped. By using differential gear and underactuated mechanical design, it can be solved with the minimum additional weight. And it will be applied to all of the prosthetic hands.

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Occupational Therapist Needs Survey for the Development of a Sensory Processing Evaluation Tool for Schools (학교용 감각처리 평가도구 개발을 위한 작업치료사 욕구 조사)

  • Cho, Sun Young;Yoo, Eun-Young
    • Therapeutic Science for Rehabilitation
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    • v.8 no.2
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    • pp.31-41
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    • 2019
  • Objective: The purpose of this study is to investigate existing evaluation methods and the limitations thereof Korean children's occupational therapists to understand sensory processing performance in schools. This study provides basic data for the development of sensory processing evaluation tools for schools. Methods: The questionnaire was administered to 20 occupational therapists with more than 3 years of experience in occupational therapy interventions for school-aged children. The survey obtained information through online surveys and telephone interviews. The questionnaires were divided into general characteristics and evaluation methods and limitations of existing sensory processing in school, necessity of a sensory processing evaluation tool for school, and opinions. The questionnaire consisted of 12 closed questions and 4 open questions. Results: In total, 90% of the researchers said that school-aged children in schools are aware of 'some information' through their parents or children. Furthermore, 50% said they often complained about difficulties related to sensory processing in school, and 50% that they were more than 'usual'. Finally, 80% of the repondents indicated that the development of sensory processing evaluation tools for schools was "significantly needed". Conclusion: Occupational therapists in charge of domestic children reported for the need to develop evaluation tools to understand sensory processing abilities in schools. Evaluation tools will play an important role in the evaluation and intervention of occupational therapy for school-aged children.

Emotion Evaluation algorithm of Brain Information System using Dynamic Genitive Maps (동적인지 맵을 이용한 뇌 정보 처리 시스템의 감정 평가 알고리즘)

  • 홍인택;김성주;서재용;김용택;전홍태
    • Proceedings of the IEEK Conference
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    • 2003.07d
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    • pp.1243-1246
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    • 2003
  • It is known that structure of Human's brain information system is controlled by cerebral cortex mainly. Cerebral cortex is divided by sensory area, motor area and associated area largely. Sensory area takes part in information from environment and motor area is actuation by decision as associated area determined. It is possible to copy brain information system by input-output pattern. but there is difficulty in modeling of memorizing new information. Such action is performed by Limbic Lobe and Papez circuit which is controlled by intrinsic emotion. So we need of definition of emotion's role in decision. In this paper, we define roles of emotion in intrinsic decision using Dynamic Cognitive Maps(DCMs). The emotion is evaluated by outside information then intrinsic decision performed as how much emotion variated. The dynamic cognitive maps take part in emotion evaluating process.

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Effects of Multimodal Stimuli on Human Sensibility (시청각 복합자극에 대한 인감감성의 변화)

  • 이구형;김병주;정일석
    • Science of Emotion and Sensibility
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    • v.4 no.1
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    • pp.43-51
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    • 2001
  • When consumer evaluates a product, every aspec of the product affects the evaluation. Human uses at least five sensory organs for the evaluation. Multi-sensory or multi-modal design tries to add auditory and olfactory factors to the traditional visual-centered design. For the multi-modal design, it is essential to understand relationships between combined sensory stimuli and human sensibility. Information between simple sensory stimulus and human sensibility is pre-requisite to combine multi-modal stimuli. This study investigated human sensibility against 8 colors and 30 sounds, presented independently. The combined stimuli of color and sound were made based on the sensibility generated by each stimulus. Human sensibility generated by the combined stimuli of color and sound were made based on the sensibility generated by each stimulus. Human sensibility generated by the combined stimuli was investigated with 20 female subjects. For combined stimuli that generated the same kind of sensibility respectively, generated sensibility was same but strength was diminished. For combined stimuli that generated the different sensibilities respectively, subjects showed neutral sensibility or no special sensibilities. Sensibilities to the same stimuli also showed difference depending on personal background of the subjects.

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Quantitative Analysis on the Improvement of Equilibrium Sensory Using Bicycle Simulator (자전거 시뮬레이터를 이용한 평형감각 증진의 정량적 분석)

  • 정성환;정우석;김경석;권대규;홍철운;김남균
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2004.10a
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    • pp.935-938
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    • 2004
  • This paper describes the quantitative analysis on the improvement of equilibrium sensory using virtual bicycle system. We have used a virtual bicycle system that combines virtual reality technology with a bicycle. In this experiment, 10 subjects were tested to investigate the influencing factors on equilibrium sensory. Straight road and curved road driving at several factors including cycling time, number of times of path deviation, and center of pressure(COP) were extracted and evaluated to quantify the extent of control. Also, To improve the effect of balance training, we investigated the usefulness of virtual feedback information by weight shift. The result showed that the system could be effective for equilibrium sensory rehabilitation training device. The analysis method might also have wider applicability to the rehabilitation field.

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Neuroscientific Review on Sensory Stimulation Therapy and Virtual Reality for Somatosensory Rehabilitation

  • Kim, Tae-Hoon;Kim, Yo-Seob
    • International Journal of Contents
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    • v.6 no.1
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    • pp.53-58
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    • 2010
  • This study details the neuroscientific concept of somatosensation, general sensory stimulation therapy and virtual reality therapy. Somatosensation is a method that the human body uses to accept information from the inner and outer parts of the body. A traditional sensory stimulation therapy was designed to maximize neural recovery, but the neural recovery is most effective when the therapeutic environment is similar to real life. The virtual reality provides natural environment that users may perceive as meaningful and even participants with significant impairment can perform some of the activities of their daily lives within the virtual environment. The virtual reality will become a complementary part of somatosensory rehabilitation.

A Study on the Sensory Motor Coordination to Visual and Sound Stimulation (빛과 소리 자극에 대한 지각 운동의 협력에 관한 연구)

  • Kim, Nam-Gyun;Ko, Yong-Ho;Ifukube, T.
    • Journal of Biomedical Engineering Research
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    • v.15 no.1
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    • pp.77-82
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    • 1994
  • We investigated the characteristic of the sensory motor coordination by measuring the hand point ins and the gaze movement to the visual and sound stimulation. Our results showed that the gaze vol ocity to sound stimulation did not depend on stimulation direction, but lagged behind 0.2 sec toward the pheriperal direction to the visual stimulation. Our data showed that to both visual and sound stimulation, the error of hand pointing value increased with an increasement of eccentricity.

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A Systematic Review on the Intervention of Group Sensory Integration Therapy for Children in Korea (국내 아동을 대상으로 하는 그룹 감각통합치료 중재에 관한 체계적 고찰)

  • Bak, Ah-Ream
    • The Journal of Korean Academy of Sensory Integration
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    • v.20 no.3
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    • pp.60-71
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    • 2022
  • Objective : This study aimed to summarize and present the effects of group sensory integration treatment applied to children with and without disabilities in Korea. Methods : The search period was from January 2010 to December 2021, and databases of 'The Journal of Korean Academy of Sensory Integration', 'The Korean Journal of Occupational Therapy', 'Koreanstudies Information Service System', 'Research Information Sharing Service', 'DBpia' were used for data search. A total of 11 studies were selected, and the Patient, Intervention, Comparison, Outcome method was applied to organize them systematically. Results : As a result of the study, single-group non-randomized studies were the most common with 8 out of 11 studies (72.73%). There were 99 subjects, ranging in age from 3 to 11, and an average of 7.39. Among them, there were more children with disabilities, and 40 out of 99 (40.41%) were diagnosed with developmental disabilities the most. A total of 5 to 45 treatment intervention sessions were provided, and 60 minutes were the most frequently provided once or twice a week. The Canadian Occupational Performance Measure and The Penn Interactive Peer Play Scale were the most commonly used evaluation tools in 4 times each (12.90%). As the treatment intervention goal, social interaction skills was the most common with 8 studies (36.36%). As a result of treatment intervention, 8 studies showed significant results. Conclusion : Based on this study, it is expected that in the future, various methods of intervention of sensory integration therapy based on high quality levels can be systematically presented and used as useful information in clinical practice.

The Effect of 24-week Sensory Integration Activity Training on fitness of Children with Intellectual disability

  • CHOI, Youn Jin;KIM, Myung Gyun;MOON, Hwang Woon
    • Journal of Sport and Applied Science
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    • v.4 no.4
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    • pp.1-6
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    • 2020
  • Purpose: The purpose of this study is to identify the effect of 24-week sensory integration activity training on fitness of children with intellectual disability. Research design, data, and methodology: The subjects were 10 children with intellectual disability, 60 min training of sensory integration activity for 24 weeks. Obesity, cardiovascular endurance, muscular strength and muscle endurance were measured pre and post training. Frist, characteristics of subjects were measured with age, height, weight, IQ and SQ. Second, the subjects then performed sensory integration activity training for 24 weeks. Last, weight, strength, endurance, cardiovascular endurance and flexibility were measured. Data were calculated for average and standard deviation by SPSS 25.0 statistic program, and dependent sample t-test was processed to analyze the change between pre and post training. All statistical significance level was set to 0.5. Results: The result was shown that weight, strength and endurance changes between pre and post were significant. However, cardiovascular endurance, flexibility changes between pre and post were not significant. Conclusions: The lack of training frequency of 60 minute per week were acknowledged per week from this result. In future research, increased intensity and frequency are need for an in-depth and meaningful study and the measured data can be used basic information for the study.

Characteristics of Visuo-Spatial Information Processing in Children with Autism Spectrum Disorder

  • Kwon, Mee-Kyoung;Chung, Hee-Jung;Song, Hyunjoo
    • Science of Emotion and Sensibility
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    • v.21 no.2
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    • pp.125-136
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    • 2018
  • Although atypical sensory processing is a core feature of autism spectrum disorder (ASD), there is considerable heterogeneity among ASD individuals in the modality and symptoms of atypical sensory processing. The present study examined visual processing of children with ASD, focusing on the complexity and orientation of visual information. Age- and -IQ-matched Korean children (14 ASD and 14 typically-developing (TD) children) received an orientation discrimination task involving static spatial gratings varied in complexity (simple versus complex) and orientation (horizontal versus vertical). The results revealed that ASD children had difficulty perceiving complex information regardless of orientation, whereas TD children had more difficulty with vertical gratings than horizontal gratings. Thus, group-level differences between ASD and TD children appeared greater when gratings were presented horizontally. Unlike ASD adult literature, however, ASD children did not show superior performance on simple gratings. Our findings on typical and atypical processing of ASD children have implications for both understanding the characteristics of ASD children and developing diagnostic tools for ASD.