• 제목/요약/키워드: Stimulus pattern

검색결과 113건 처리시간 0.03초

The Image of the Stripe Clothes according to Value Contrast Coloration (명도 콘트라스트 배색에 따른 스트라이프 의복 착용자의 이미지 연구)

  • Moon, Ju-Young;Kang, Kyung-Ja
    • The Research Journal of the Costume Culture
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    • 제16권6호
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    • pp.992-1007
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    • 2008
  • This study was meant to offer the data for predicting the product plan answering the diverse demands for consumers based on the results of analyzing the image and formative property by transforming the stripe patterns. The concrete study way is composed of the collected stimulus centering on the interval of the stripe pattern and value contrast coloration. Consequently 192 stimuli, changed by the pattern direction and pattern interval, clothing style, and contrast coloration, are selected. The experimental materials made for this study are a set of stimuli and response scale. The statistics way used in analysis was factor analysis, ANOVA, dispersion analysis, multiple classification analysis. The results of this study were summed as following. Firstly, In the value contrast, a pair of 27 adjectives were made of attractiveness, activeness, gracefulness, visibility, and tenderness dimension. Secondly, the direction of the pattern, interval, clothing style, and contrast coloration were respectively transformed according to value contrast.

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Development of a Transcutaneous FES System and Its Application to Paraplegic Walking (표면 전극용 기능적 전기자극 시스템의 개발 및 하반신 마비환자의 보행)

  • Song Tongjin;Yi Jeong Han;Khang Gon
    • Journal of Biomedical Engineering Research
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    • 제24권6호
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    • pp.523-531
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    • 2003
  • We developed a PC-based 8-channel electrical stimulation system for transcutaneous functional electrical stimulation (FES), and applied it to FES exercise and paraplegic walking. The PC program consists of four parts: a database, a stimulation pattern generator, a stimulus parameter converter, and an exercise program. The stimulation pattern can be arbitrarily generated and edited by using the mouse on the PC screen, and the resulting stimulus parameters arc extracted from the recruitment curves, and transmitted to the 8-channel stimulator through the serial port. The stimulator has nine microprocessors: one master and eight slaves, Each channel is controlled by the slave microprocessor, and is operated independently. Clinical application of the system to a paraplegic patient showed significant increase in the knee extensor torque, the fatigue resistance, and the leg circumference, The patient can now walk about 50 meters for more than 2 minutes.

A Car made of Toy-blocks:Global and Local Processing (장난감 블록으로 만든 자동차:전역및 국지 정보처리)

  • 박창호
    • Korean Journal of Cognitive Science
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    • 제4권1호
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    • pp.87-122
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    • 1993
  • One part of a form can be described locally(itself as a whole)and globally(as a part of the whole). How each of the two (double)descriptions is processed and what relationships the one has with the other are among important questions of perception.Previous studies had been on whether global processing progresses faster or slower than local processing.This study,however,focused on charateristics of the two processings.The task was that subjects identify global or local name of a compound stimulus briefly exposured.Repetition effects were meansured under three displaying conditions with two types of stimulus set.The result pattern shows that global/local processing is a dynamic phenomenon with its own properties and variability on conditions as well.

Effect of 1/f Fluctuation Sound on Comfort Sensibility (1/f 변동리듬 특성을 가지는 음이 쾌적감성에 미치는 영향)

  • Jeon, Yong-Woong;Cho, Am
    • Journal of the Ergonomics Society of Korea
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    • 제25권4호
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    • pp.9-22
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    • 2006
  • 1/f fluctuation characteristics can be seen in various natural phenomena, such as breezes, streams, candle flames and the luminous patterns of fireflies. It is said that the 1/f fluctuation are comfortable for human beings. And they are introduced into many industrial products, such as an air conditioner, music, lighting, etc. This study focused on verifying the effects of 1/f fluctuation sound on comfort sensibility. Stimulus were divided into three groups(Group 1, 2, 3) by sound generation methodology. Fluctuation patterns of group 1, 2 were given by three types of fluctuation, 1/f0, 1/f1, 1/f2, and its of group 3 were given by two types of pure tone, 1/f1. In order to verify the effects, we measured the physiological responses of the subjects such as EEG(Electroencephalogram), ERP(Event-Related Potential), and these physiological responses were compared with subjective assessments, free answers. Consequently, we found that factor which had an effect on comfort sensibility was cognitive factor(for stimulus) rather than 1/f fluctuation sound pattern.

Development of Closed-loop Control Type FES System for Restoration of Gait in Patients with Foot Drop (족하수 환자의 보행보조를 위한 피드백 제어형 전기자극기 개발)

  • 정호춘;임승관;이상세;진달복;박병림
    • Journal of Biomedical Engineering Research
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    • 제20권2호
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    • pp.183-190
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    • 1999
  • The purpose of this study was to develop a portable and convenient closed-loop contrel type electrical stimulator for patients with foot drop. This system restores walking movement as well as prevents from atrophy or necrosis of lower limb muscles and increases blood circulation in hemiplegic patients caused by traffic accident, industrial disaster or stoke. This system detects the changes of the ankle joint angle during walking, and then controls the stimulus intensity automatically to maintain the programmed level of the ankle joint angle. Also, this automatic system controls the stimulus intensity which is affected by increased electrode impedance resulting from long time use. The system detects the joint angle by an optical sensor and includes modified PID control which adjusts the stimulus intensity if the joint angle deviates from the preset value. Stimulus parameters are 30~80 volt, 40 Hz, and 0.2 ms. The system was applied to five hemiplegic patients for 42 days. Duration of stimulation was 15 min/day for the first week and then the duration was gradually increased to 30, 60, 90 and 120 min/day. The muscle force was increased up to 29.7%, muscle fatigue was decreased compared with the level before stimulation and the pattern of locomotion was improved. These results suggest that the electrical stimulator with closed-loop control type is more convenient and effective in restoration of locomotion of patients with foot drop than open-loop system.

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The effect of depth discontinuity on spreading of motion aftereffect to non-adapted area (비순응 영역으로의 운동 잔여효과의 번짐에 미치는 삼차원 깊이 불연속의 효과)

  • Kham, Kee-Taek
    • Korean Journal of Cognitive Science
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    • 제21권1호
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    • pp.1-24
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    • 2010
  • The stationary image appears to move after we view a moving stimulus for a long time. The motion aftereffect(MAE) can spread to an adjacent region if there is no contrast discontinuity between two regions. In this study, it is investigated whether a phenomenon of MAE spreading to an adjacent non adapting area is affected by the depth discontinuity defined by binocular disparity. In the first experiment a disparity defined slanted pattern was presented in an unadapted region, and in the second experiment, a disparity defined pattern with a different depth was presented on the fronto-parallel plane. Although MAE duration in the condition with slanted pattern was not different from that in the non-slanted pattern condition, MAE durations in the pattern presented on pronto-parallel plane was vividly reduced, but not completely disappeared. These results suggest that a phenomenon of MAE spreading might be affected by depth discontinuity, and could be occurred after binocular information converges.

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A Study on the Visual Images of Checked Pattern Shirts in Achromatic Color (무채색 체크무늬 셔츠의 시각적 이미지 연구)

  • Choi, Su-Koung
    • Korean Journal of Human Ecology
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    • 제19권2호
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    • pp.399-407
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    • 2010
  • The purpose of this study was to investigate the visual images of shirts according to coloration and the interval of checked patterns. The experimental stimulus and questionnaires for scaling response were developed for this study. The stimuli were 12 color pictures, in which the gender, coloration(WG: white+gray, WK: white+black, GK: gray+black), and interval(0.5 cm, 1.5 cm, 3.5 cm, 5.5 cm) were manipulated. The 7-point rating scale was used for evaluation of the visual image. Data were obtained from 144 male college students and 144 female college students living in Gyeonggi, Gyeongnam, Seoul, Gwangju, Daegu, and Busan on December 2009. For data analysis, ANOVA and the Duncan-test were used by using the SPSS program. The results of this study were as follows; the visual images for shirts according to the coloration and interval of checked patterns consisted of four dimensions of attractiveness, appeal, youth, and modesty. Gender was the main factor when looking at attractiveness. Coloration had the main effect on appeal, youth, and modesty. Also, there was a significant interaction effect of gender and coloration on attractiveness, while there was a significant interaction effect of coloration and interval on modesty.

The final stop consonant perception in typically developing children aged 4 to 6 years and adults (4-6세 정상발달아동 및 성인의 종성파열음 지각력 비교)

  • Byeon, Kyeongeun;Ha, Seunghee
    • Phonetics and Speech Sciences
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    • 제7권1호
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    • pp.57-65
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    • 2015
  • This study aimed to identify the development pattern of final stop consonant perception using the gating task. Sixty-four subjects participated in the study: 16 children aged 4 years, 16 children aged 5 years, 17 children aged 6 years, and 15 adults. One-syllable words with consonant-vowel-consonant(CVC) structure, mokㄱ-motㄱ and papㄱ-patㄱ were used as stimuli in order to remove the redundancy of acoustic cues in stimulus words, 40ms-length (-40ms) and 60ms-length (-60ms) from the entire duration of the final consonant were deleted. Three conditions (the whole word segment, -40ms, -60ms) were used for this speech perception experiment. 48 tokens (4 stimuli ${\times}3$ conditions ${\times}4$ trials) in total were provided for participants. The results indicated that 5 and 6 year olds showed final consonant perception similar to adults in stimuli, papㄱ-patㄱ and only the 6-year-old children showed perception similar to adults in stimuli, 'mokㄱ-motㄱ. The results suggested that younger typically developing children require more acoustic information to accurately perceive final consonants than older children and adults. Final consonant perception ability may become adult-like around 6 years old. The study provides fundamental data on the development pattern of speech perception in normal developing children, which can be used to compare to those of children with communication disorders.

The Cultural Phenomena of the Post modern-Feminism and Contemporary Fashion (Post modern-Feminism의 문화 현상과 패션)

  • Shon, Mi-Hee
    • Journal of the Korean Society of Costume
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    • 제46권
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    • pp.49-66
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    • 1999
  • The bisexuality deconstructivity and diversity that are great characteristics on the comtemporary fashion are showed in the fashion collections. The purpose of this paper is to investigate and analyze the influence of these characteristics made by the post modern-feminism fashion through the cultural pattern analysis. The post modern-feminism was analyzed by dividing the cultural pattern into 1) the deconstructivity of androcentrism -This characteristic was presented in the costume design that breaks the basic from of the line color and quality of the material showing in men's clothes. 2) By rejecting main current fashion -Subculture style appeared in main current fashion the boundary of main and anti-main current fashion was vagued and the phenomena that the identity of subgroup was weakened were showed. 3) In the coexistence of double-sided value -This characteristic was presented in the cross-dressing fashion that cut away women's slender part and men's rough part. 4) In the open-minded thought of gender -This tendency was reached an extreme from excessive exposure to design which gives the sexual stimulus. This paper is expected to be helpful to understand the contemporary fashion by treating the cultural category associated with post-modern feminism in relation to contemporary fashion and to establish the direction of 21 century fashion.

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Effect of Optic pathway on the Proprioceptive Neuromuscular Facilitation (시각회로가 고유수용성신경근촉진법 치료에 미치는 효과)

  • Song, Myung-Soo;Yoon, Hee-Jong;Kim, Tae-Youl;Lee, Kyung-Ok
    • Journal of Korean Physical Therapy Science
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    • 제5권4호
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    • pp.837-843
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    • 1998
  • The purpose of this study was to examine the effect of optic pathway on human body during Proprioceptive Neuromuscular Facilitation(PNF) treatment. Specifically, it's intened to find out through electromyography(EMG), what kind on change occurred in a patient's muscle when the patient saw the motor direction or when the patient didn't. A pilot experiment Was made over the sophomores of Mokpo Science College the following findings were given; As an EMG was taken over three of muscles that worked during Flexion-Adduction-Ext. Rot., one of the PNF pattern, a patient showed relatively stronger muscle power while watching the movement with his eyes open than the same patient did with his eyes closed, and the disparity between the two cases Was statistically significant(P<0.05). In the pattern of Extension-Abduction-Int.Rot., a patient also showed relatively stronger muscle power while watching the movement than the same patient did without watching it, and the disparity between the two cases also were significant(P<0.05). As seen above, the effect of motor treatment, among physiotherapy methods seemed to be greater if a patient watched the motor direction during treatment, because it gave a stimulus to proprioception.

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