• Title/Summary/Keyword: tactile stimulation

Search Result 87, Processing Time 0.027 seconds

Cortical Activation of the Somatosensory Hand Area in Hemiplegic Cerebral Palsy Patients. : fMRI Study. -Case Reports- (뇌성마비 편마비 환아의 체성감각피질 활성화에 대한 fMRI 연구 -증례 보고-)

  • Lee, Zee Ihn
    • Annals of Clinical Neurophysiology
    • /
    • v.7 no.1
    • /
    • pp.34-36
    • /
    • 2005
  • Two hemiplegic cerebral palsy patients were studied to investigate the cortical mechanisms underlying preserved somatosensory capacity, using functional MRI(fMRI). Tactile stimulation was performed by brushing of palm, during fMRI study. By the affected hand stimulation, contralateral primary somatosensory cortex was activated in patient 1 and cortical area anterior to the lesion site was activated in patient 2. We suggest that reorganization of the somatosensory cortex after brain injury can be induced by recruitment of undamaged areas adjacent to lesion site.

  • PDF

Nasal Trigeminal Chemoreception (비강의 삼차신경 화학수용)

  • Kim, Byung Guk;Kim, Ji-sun
    • Korean Journal of Otorhinolaryngology-Head and Neck Surgery
    • /
    • v.61 no.11
    • /
    • pp.567-572
    • /
    • 2018
  • The sensory function of the trigeminal nerve is to provide tactile, proprioceptive, and nociceptive afference by chemical stimulation. Various physical responses of the trigeminal nerve to stimuli help to defend against harmful substances. Recently, many studies have been conducted on solitary chemoreceptor cells innervated by trigeminal nerve. Most volatile organic compounds stimulate both the olfactory and trigeminal nervous systems. In general, the trigeminal nervous system is less sensitive than the olfactory nervous system. Studies have shown that sensation of the trigeminal nerve by chemical stimulation results in inhibition of olfaction. This indicates that the olfactory and trigeminal nerves interact with each other in the central nervous system. It is important to study various noxious stimuli acting on the trigeminal nerve in modern society where environmental concerns are intensifying.

The Differential Effects of Acupuncture on Postures of Healthy Subjects (정상인의 자세에 따른 자침 효과의 차이)

  • Kim, Ji-Eun;Park, Kyung-Mo
    • Journal of Biomedical Engineering Research
    • /
    • v.28 no.1
    • /
    • pp.46-54
    • /
    • 2007
  • Objective: The first aim of this study is to determine the effects of acupuncture on the autonomic nervous system (ANS) via Heart Rate (HR) and Pupil Size (PS), and to compare the effects of acupuncture on the subjects' ANS when they are in a sitting position with the effects when they are in a supine position. Methods: Ten healthy male subjects were randomized to receive either verum acupuncture stimulation in a sitting position (SitV), verum acupuncture stimulation in a supine position (SupV), sham acupuncture stimulation in a sitting position (SitS), and sham acupuncture stimulation in a supine position (SupS). Acupuncture stimulation was applied to Neguan point (PC6) on the forearm. The subject's electrocardiogram (ECG) and pupil size were recorded continuously from 5 min before stimulation to 12 min after stimulation. Results: Verum and sham acupuncture stimulation were found to have reduced heart rate (p<0.01) and to have increased pupil size (p<0.01) in all the subjects. But when the reduction in HR and the increment in PS after verum acupuncture stimulation (both sitting and supine position) were compared with those after sham acupuncture stimulation, it was found that the reduction in HR (74.48 and 73.47 bpm, p<0.063) and the increment of PS (7.32 and, 6.10 mm, p<0.001) after verum acupuncture stimulation were greater than those after sham acupuncture stimulation, and that the corresponding values were statistically significant. In addition, at the baseline, it was found that the subjects had a larger PS and a faster HR in a sitting position than when they did so in a supine position. And then the reduction and increment ratio in the subject's HR and PS when they underwent acupuncture stimulation in a sitting position was significantly different from the reduction and increment in their HR and PS when they underwent the procedure in a supine position-i.e., the reduction ratio in HR was greater when they underwent the procedure in a sitting position, and such reduction ratio was statistically significant (p<0.05). As for the increment in PS, it was greater when the subjects underwent the procedure in a supine position, and such increment was significant (p<0.05). Conclusion: Manual acupuncture stimulation on Neguan point (PC6) has more significant influence on the autonomic nervous system rather than sham acupuncture (tactile stimulation). And the position-induced different states of ANS have different influence on the acupuncture effect.

Effects of Snoezelen Room on Agitated Behavior of People with Dementia (스노잘렌 공간이 치매노인 동요행동에 미치는 영향)

  • Lee, Sook-Young;Alan, Dilani
    • Journal of the Korean housing association
    • /
    • v.19 no.4
    • /
    • pp.79-87
    • /
    • 2008
  • Snoezelen, multi-sensory stimulation, provides stimulation through the visual, aural, tactile, olfactory, gustatory and proprioceptive senses. Its aim is to be a relaxing, feeling of safety, novelty and stimulation with no expectations for performance. Agitated behavior of people with dementia causes significant problems and distress for cares. The objective of this research study was to test the effects of Snoezelen room on physical and verbal agitated behaviors of people with dementia. Four patients participated five sessions in Snoezelen room of 'F' dementia care facility in Sweden. Assessment instrument was basically used Cohen-Mansfield Agitation Inventory-Short Form to be rated by caregivers on a 5-point frequency scale. Pre-trial and post-trial assessments were carried out during $27^{th}$ Aug.-$27^{th}$ Sept. 2007. Result shows that Snoezelen room has some short-term positive effect on agitated behavior even though there was a considerable variation individuals responded. This result adds to the increasing evidence that Snoezelen could be a therapeutic environment for the elderly with dementia. Further research study, with larger number of participation, and a control group is required to establish more scientific evidence of Snoezelen effects on health outcome.

Analysis of Research Related to the Neonatal Pain Relief Intervention in Korea (신생아 통증완화 중재 관련 국내 연구분석)

  • Oh, Jin-A;Noh, In-Suk
    • Korean Parent-Child Health Journal
    • /
    • v.12 no.2
    • /
    • pp.160-176
    • /
    • 2009
  • Purpose: The purpose of this study was to identify patterns and trends of studies, analyze the research, and improve direction of nursing research related to the neonatal pain relief intervention in Korea. Method: The studies were selected from dissertation, nursing journals and others in Korea. Result: Until 1995, there were no studies related to the neonatal pain relief intervention. The most studies have been increased rapidly after 2005. Pure of true experimental design of research design was used 5, Quasi experimental design was 7, preexperimental design was 7. Participants were preterm baby was 8, full-term baby was 9, and preterm and full-term baby was 2. Utilization of instruments as follows: NIPS, PIPP, ABSS, NFCS, pulse oximeter, EKG monitoring, and stethoscope. Contents of the research studies were classified 4 different types, such as studies of about the effect of auditory stimulation, taste stimulation, tactile stimulation, and topical anesthetic cream. The results of 25 studies were effective for the neonatal pain relief, but the results of 5 studies weren't. Conclusion: In the future studies need to develop the various instrument which is assessment of neonatal pain. It is important to the integrated by meta analysis. Additionally, we should develop protocol nursing intervention for the effective pain release.

  • PDF

A Case Report of Congenital Hyperekplexia in Twin (쌍생아에서 발생한 선천성 Hyperekplexia 1례)

  • Choi, Bong Seok;Kim, Young Mi;Lee, Yun Jin;Park, Su Eun;Nam, Sang Ook
    • Clinical and Experimental Pediatrics
    • /
    • v.45 no.10
    • /
    • pp.1284-1288
    • /
    • 2002
  • Hyperekplexia or startle disease is a hereditary neurological disorder characterized by an abnormally exaggerated startle response to tactile, auditory and visual stimuli, together with a global muscular hypertonia and hyperactive tendon reflexes. This disease is a rare, genetically determined disorder, with an autosomal dominant inheritance with variable expression, first described by Suhren, et al. We report two cases of familial hyperekplexia, who developed hypertonia and pathologic startle response to tactile stimulation in the immediate neonatal period. The infant showed a marked improvement of the startle response and muscular hypertonia with low-dose clobazam.

HaptiSole: Wearable Haptic System in Vibrotactile Guidance Shoes for Visually Impaired Wayfinding

  • Slim Kammoun;Rahma Bouaziz;Faisal Saeed;Sultan Noman Qasem;Tawfik Al-Hadhrami
    • KSII Transactions on Internet and Information Systems (TIIS)
    • /
    • v.17 no.11
    • /
    • pp.3064-3082
    • /
    • 2023
  • During the last decade, several Electronic Orientation Aids devices have been proposed to solve the autonomy problems of visually impaired people. When hearing is considered the primary sense for Visually Impaired people (VI) and it is generally loaded with the environment, the use of tactile sense can be considered a solution to transmit directional information. This paper presents a new wearable haptic system based on four motors implemented in shoes, while six directions can be played. This study aims to introduce an interface design and investigate an appropriate means of spatial information delivery through haptic sense. The first experiment of the proposed system was performed with 15 users in an indoor environment. The results showed that the users were able to recognize, with high accuracy, the directions displayed on their feet. The second experiment was conducted in an outdoor environment with five blindfolded users who were guided along 120 meters. The users, guided only by the haptic system, successfully reached their destinations. The potential of tactile-foot stimulation to help VI understand Electronic Orientation Aids (EOA) instructions was discussed, and future challenges were defined.

A research on the media player transferring vibrotactile stimulation from digital sound (디지털 음원의 촉각 자극 전이를 위한 미디어 플레이어에 대한 연구)

  • Lim, Young-Hoon;Lee, Su-Jin;Jung, Jong-Hwan;Ha, Ji-Min;Whang, Min-Cheol;Park, Jun-Seok
    • 한국HCI학회:학술대회논문집
    • /
    • 2007.02a
    • /
    • pp.881-886
    • /
    • 2007
  • This study was to develope a vibrotactile display system using windows media player from digital audio signal. WMPlayer10SDK system which was plug-in tool by microsoft windows media player provided its video and audio signal information. The audio signal was tried to be change into vibrotactile display. Audio signal had 4 sections such as 8bit, 16bit, 24bit, and 32bit. Each section was computed its frequency and vibrato scale. And data was transferred to 38400bps network port(COM1) for vibration. Using this system was able to develop the music suit which presented tactile feeling of music beyond sound. Therefore, it may provide cross modal technology for fusion technology of human senses.

  • PDF

Effects of a Sensory Stimulation on Weight, Stress Hormone and Behavioral State in Premature Infants (감각자극이 미숙아의 체중, 스트레스호르몬 및 행동상태에 미치는 효과)

  • 이군자
    • Journal of Korean Academy of Nursing
    • /
    • v.29 no.2
    • /
    • pp.445-455
    • /
    • 1999
  • This study has been conducted on the nonequivalent control group pretest-posttest design in quasi experimental basis and newly born premature infants from intensive care unit of G Medical University Hospital in Inchon Metropolitan were selected in two groups of 21 infants each. The first group for experimental and the other for control. Data has been collected form October 30, 1997 to August 29, 1998. For the experimental group tactile and kinesthetic stimulation was applied 2 times a day for 10 days(10 : 00~11 : 00 hours in the morning and 17 : 00~18 : 00 in the afternoon). As a weight weighing instrument. electronic indicator scale(Cas Co. korea) was used. To determine urine cortisol concentration level in stress hormone, radio immune assay method was used. And high performance liquid chlomatography was used to determine urine norepinephrine, concentration level To determine behavior status, tools developed by Anderson et at(1990) and remodeled by Kim Hee-Sook(1996) were used. Collected data were analyzed with the SAS program using x$^2$-test, student t-test, repeated measures ANOVA and paired t -test. The result were as follow. 1. As for the daily weight gain. the experimental group showed first change in weight and this group also showed higher weight in the average weight than the control group. Statistically, however, there was no significant factor between the two group. 2. The cortisol concentration in urine showed decrease in the experimental group norepinephrine concentration in urine showed increase in both experimental and control groups. No statistical significance was shown between the two groups. 3. In the aspect of behavior status. the experimental group showed statistical significance by showing inactive in the state of alert and conversion to a positive state than the control group. In conclusion, the sensory stimulation in this study showed a positive aspect through there was no statistical significance in the weight gain and urine stress hormone concentration. In the behavior status, there was statistical significance in the frequency of staying inactive in the state of alert and conversion to a positive state.

  • PDF

Effects of a Sensory Stimulation on Weight Gain in Premature Infants (감각자극이 미숙아의 체중증가에 미치는 영향)

  • Lee Kun Ja;Cho Kyoul Ja
    • Child Health Nursing Research
    • /
    • v.5 no.3
    • /
    • pp.250-261
    • /
    • 1999
  • This study has been conducted on the nonequivalent control group Pretest-posttest design in quasi experimental basis and newly born premature infants from intensive care unit of G Medical University Hospital in Inchon Metropolitan were selected in two groups of 21 infants each. The first group for experimental and the other for control. Data has been collected form October 30, 1997 to August 29, 1998. For the experimental group tactile and kinesthetic stimulation was applied 2 times a day for 10 days(10:00~ll:00 hours in the morning and 17:00~18:00 in the afternoon). As, a weight weighing instrument, electronic indicator scale(Cas Co. korea) was used. Collected data were analyzed with the SAS program using x²-test, student t-test, repeated measures ANOVA, Pearson correlated coefficient and Stepwise multiple regression. The result were as follow. 1. As for the daily weight gain, the experimental group showed first change in weight and this group also showed higher weight in the average weight than the control group. Statistically, however. there was no significant factor between the two groups. 2. In the correlation between general characteristics and weight gain, gestation Period. apgar score, admission Period before study, N.P.O. period after birth, recovery Period to birth weight showed statistical significance negative correlation with weight gam in the experimental group than control group. 3. In the factor with affected the weight gain by general characteristics showed recovery period to birth weight and head circumference in the experimental group, control group showed recovery period to birth weight, N. P. O. period after birth. admission period before study, feeding amount, weight of study. In conclusion. the sensory stimulation in this study showed a Positive aspect through there was no statistical significance in the weight gam. Tn the correlation of general characteristics and weight gam showed statistical significance negative correlation The main factor which affected the weight gain by general characteristics showed recover period to birth weight.

  • PDF