• Title/Summary/Keyword: Sensory Studies

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What is sensory and consumer science? ('감각·소비자과학'이란?)

  • Lee, Hye-Seong
    • Food Science and Industry
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    • v.52 no.1
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    • pp.2-10
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    • 2019
  • Sensory and consumer science is one of the four core sciences in food science training. In early years, this field of studies are focused on providing food technologists information of sensory attributes of food for quality control and product optimization, and referred as sensory evaluation or sensory science interchangeably. Yet, during the last decades, its scope has been much broadened looking at sensory properties of food not just as product attributes but consumer-perceived properties, emphasizing human experience. Attentions are increased for sensory fundamentals(sensory psychology and physiology) and multidisciplinary integration of theories and measurement methods for improving satisfaction of consumers' sensory experience and promoting healthy eating and wellbeing. The Sensory Evaluation(SE) division of Korean Society of Food Science and Technology(KoSFoST) has recently changed its name to Sensory and Consumer Science(SCS) division in order to address such evolution of the field and sensory professional's role.

Neurophysiological Evidence for Sensory Processing Disorder (감각처리 장애에 대한 신경생리학적 증거들)

  • Kim, Eun-Young
    • Therapeutic Science for Rehabilitation
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    • v.1 no.1
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    • pp.5-16
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    • 2012
  • Sensory integration started as a theory to provide a occupational therapist with a useful frame for explaining and intervening the problems which children have. Most researches on sensory processing disorder (SPD) have been found empirical evidence to support the sensory integration theory by measuring behavioral manifestations of SPD. Recently, researchers who are interested in the diagnosis of SPD have begun to use neurophysiological methods to establish objective evidence for sensory integration. These studies reported the neurophysiological indexes reflecting the maladaptive behaviors as well as the difference between children with SPD and typically developing children in using electrodermal activity, vagal tone, EEG. Future neurophysiological studies on SPD will be expected to prove the efficacy of sensory integration intervention.

A Systematic Review of Effects on Sensory Integration Intervention Based on Vestibular-Proprioceptive System for Children in Korea (아동의 전정-고유감각 중심의 감각통합중재 효과에 대한 체계적 고찰: 국내연구를 중심으로)

  • Park, Youngju;Kong, In-Joo
    • The Journal of Korean Academy of Sensory Integration
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    • v.13 no.2
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    • pp.53-61
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    • 2015
  • Objective : The purpose of this study was to investigate the effects on sensory integration interventions for korean children which focused on vestibular - proprioceptive system. Methods : Authors systematically searched published studies in DBpia, KISS and RISS databases from August to September 2015. Key words in the search were 'sensory integration intervention', 'sensory integration therapy' and 'vestibular-proprioceptive'. By using the inclusion and exclusion criteria, we selected seven studies for further analyses examining level of evidence and methodological qualities. Information for the analyses were on study designs, participants, interventions, outcome measures and results. Results : Grade IV rated evidence was found from five studies, and Grade III and Grade V rated evidence was found from one for each study. The methodological levels of the quantitative studies were 'fair' (2) and 'poor' (5). Subjects for the studies were developmental delay (5), Asperger Syndrome (1), and not specific diagnosis (2). Single-subject design was most frequently used and motor area were most frequently evaluated. The interventions used the studies showed positive effects on outcome measures. Conclusion : This study presented the summary of sensory integration intervention based on vestibular-proprioceptive system for Korean children. More studies with high level of evidence and various study designs need to be followed.

Structure and function of chemotactic transducer proteins

  • Park, Chankyu;Ha, L.zelbaure
    • The Microorganisms and Industry
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    • v.12 no.2
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    • pp.14-18
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    • 1986
  • Barcterial chemotaxis is a transient response of an organism in a situation where environmental homogeneity has been disturbed by certain chemical compounds. The phenomenon has been described in motile bacterial species including enteric bacteria, Gram-positives(14), Spirochaetes (6) and even Archaebacteria (8). However, most comprehensive studies have been done with Escherichia coli and Salmonella typhimurium. Two analogies to higher eucaryotic sensory phenomena are provided by the study of bacterial chemotaxis. First, bacterial chemotaxis is similar to the stimulus-response of neuronal, immune and sperm cells. Second, studies of individual components involved in the bacterial sensory pathway can contribute to the understanding of the function of receptors, controling signals and molecular comparators in transmembrane signalling system. The bacterial sensory transducer, a chemoreceptor in a broad sense, is a unique entity for studying sensory function in which sensory reception, signalling and adaptation are integrated (7,18).

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The Necessity for Adult's Sensory Processing Evaluating Tool and the Introduction of Adolescent/Adult Sensory Profile (성인용 감각처리 평가도구의 필요성 및 Adolescent/Adult Sensory Profile의 소개)

  • Park, Mi-Hee;Kim, Kyeong-Mi
    • The Journal of Korean Academy of Sensory Integration
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    • v.4 no.1
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    • pp.17-28
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    • 2006
  • The person's behaviors are interactive with sensory processing ability. So sensory processing ability is very important. Most of tools which evaluate sensory processing are developed for the child. But sensory integrated problems are not restricted to the child. It is possible for sensory integrative problems to happen independent of the intellectual level and the social stratum. And sensory integrative problems are distributed in all age. Adults who have a sensory defensiveness use various coping strategies. But it does not solve a basic sensory defensive problem. Previous studies reported the fact that the sensory integrative treatment has a high treatment effect in these people. In this paper, we present the necessity for adult's sensory processing evaluating tool. We introduces Adolescent/Adult Sensory profile to be translated into Korean. It will discriminate adults who have sensory defensiveness from adult. It will provide these people with the suitable help.

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Clinical Utility of Dorsal Sural Nerve Conduction Studies in Patients with Polyneuropathy and Normal Sural Response (정상 장딴지 신경 반응을 보이는 다발 신경병증 환자에서의 등쪽 장딴지 신경 전도 검사의 임상적 유용성)

  • Cho, Joong-Yang;Heo, Jae-Hyeok;Min, Ju-Hong;Kim, Nam-Hee;Lee, Kwang-Woo
    • Annals of Clinical Neurophysiology
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    • v.7 no.2
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    • pp.97-100
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    • 2005
  • Background: The most distal sensory fibers of the feet are often affected first in polyneuropathy. However, they are not evaluated in routine nerve conduction studies. Thus we evaluated the dorsal sural sensory nerve in patients with sensorimotor polyneuropathy with normal sural response, in order to assess the usefulness in electrodiagnostic practice. Methods: In this study, 53 healthy subjects and 27 patients with clinical evidence of sensorimotor polyneuropathy were included. In all subjects, peripheral motor and sensory nerve studies were performed on the upper and lower limbs including dorsal sural nerve conduction studies. On electrodiagnostic testing, all patients had normal sural responses. Results: The dorsal sural sensory nerve action potentials (SNAPs) mean amplitude was $13.12{\pm}5.68{\mu}V$, mean latency was $3.12{\pm}0.43msec$, and mean sensory conduction velocity (SCV) was $36.50{\pm}3.40m/s$ in healthy subjects. In 7 of 27 patients, the dorsal sural nerve SNAPs were absent bilaterally, and in 20 patients, the mean dorsal sural nerve distal latency was longer($3.40{\pm}0.48ms$, P=0.006), and mean SCV was slower than in healthy subjects($35.08{\pm}4.59$, P=0.043). However, dorsal sural nerve amplitude was not different between the groups (P=0.072). Conclusions: Our findings suggest that dorsal sural nerve conduction studies should be included in the routine electrodiagnostic evaluation of patients with suspected polyneuropathy and normal sural nerve responses.

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Sensory Integration Therapy in Child with Sensory Modulation Disorder: Case Study (감각조절장애 아동에 대한 감각통합 치료적용-사례보고)

  • Kim, Mi-Hye;Ji, Seok-Yeon
    • The Journal of Korean Academy of Sensory Integration
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    • v.4 no.1
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    • pp.29-36
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    • 2006
  • Objective : To summarize and interpret observations of responses of child with sensory modulation disorder during four therapy sessions in order to contribute to future studies. Method : Analyze treatment goals and strengths and weaknesses of four therapy sessions and discuss implications of therapy. Results : Child's adaptive responses were improved throughout the therapy sessions. Conclusions : Intensive sensory integration therapy is needed continuously. Future study with this participant is needed to explore more effectiveness of sensory integration therapy.

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Serial Electrophysiological Studies in Miller Fisher Syndrome (Miller Fisher 증후군1예에서 일련의 신경생리학적 소견)

  • Jun, Dong Chul;Park, Chun-Kang;Lee, Kyu-Yong;Lee, Young Joo;Kim, Juhan
    • Annals of Clinical Neurophysiology
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    • v.3 no.2
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    • pp.156-159
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    • 2001
  • Miller Fisher syndrome(MFS) has been the focus of conflicting opinions regarding the peripheral versus the central nature of the site of major neural injury. We present our electrophysiological findings in one case of MFS to help clarify the pattern of peripheral nerve injury in this syndrome. A 45-year-old man visited our hospital due to sudden diplopia. Initial examination revealed internuclear opthalmoplegia. The next day, his symptoms rapidly aggravated to complete external ophthalmoplegia, ataxia, and areflexia with hand and foot numbness. Serial electrophysiological studies were performed. The results of brainstem evoked potential(BAEP) and blink reflex were normal in the serial studies. Motor and sensory nerve conduction study(NCS) were normal findings in second hospital day, but ulnar sensory nerve shows no sensory nerve action potential(SNAP) and sural sensory conduction velocity was delayed in 7th hospital day. Our patient's clinical presentation began to improve on 15th hospital day, and his electrophysiologic study showed improvement on 29th hospital day. We believe that all the manifestations of MFS can be explained by the involvement of peripheral nerves without brainstem or cerebellar lesion with the serial electrophysiological studies.

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