2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)最新文献

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Emulation of muscle tone of upper limb spasticity and rigidity 上肢痉挛和僵直肌张力的模拟
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-12-01 DOI: 10.1109/NER.2013.6696252
C. Z. N. Ayuni, T. Komeda, C. Y. Low, Kaoru Inoue
{"title":"Emulation of muscle tone of upper limb spasticity and rigidity","authors":"C. Z. N. Ayuni, T. Komeda, C. Y. Low, Kaoru Inoue","doi":"10.1109/NER.2013.6696252","DOIUrl":"https://doi.org/10.1109/NER.2013.6696252","url":null,"abstract":"Stretching the elbow of patients with upper limb disorder elicits diverse muscle tone responses, for instance, in an increased, uniform or jerky manner. This work addresses the emulation of muscle tone of the symptoms of spasticity, lead-pipe rigidity and cogwheel rigidity in the upper limb. A hybrid actuation strategy capable of emulating dynamic muscle tone has been proposed. In such strategy, a Magneto-Rheological brake is used to produce the resistance for a constant stiffness, and supported by a DC servo motor to assist the time delay of the fluid particle settling rate of the magneto-rheological fluid. The outcome is a consistent replication of the motion characteristics where the resistance torque emulated at the elbow joint is in close resemblance with the simulated data of upper limb spasticity and rigidity.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126450817","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Steady-state visual evoked potential based classification system for detecting migraine seizures 基于稳态视觉诱发电位的偏头痛发作检测分类系统
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-12-01 DOI: 10.1109/NER.2013.6696179
L. Ko, K. Lai, Pei-Hua Huang, Chin-Teng Lin, Shuu-Jiun Wang
{"title":"Steady-state visual evoked potential based classification system for detecting migraine seizures","authors":"L. Ko, K. Lai, Pei-Hua Huang, Chin-Teng Lin, Shuu-Jiun Wang","doi":"10.1109/NER.2013.6696179","DOIUrl":"https://doi.org/10.1109/NER.2013.6696179","url":null,"abstract":"The recurrent migraine attacks between interictal phenomenon is triggered by the migraineurs' brain lacking for habituation, due to the stimulations from the outside world that increase the excitability of brain activity, which have been considered as the possible reasons for migraine seizure. The variation of habituation level within the migraine cycle is proposed to be a critical symptom to describe the physiological states of migraine headache. This study proposed Steady-State Visual Evoked Potentials (SSVEP) examination to utilize habituation for classifying the different physiologic states of migraine cycle, and implement a classification system to determine different migraine states. The developed system may be extended to detect migraine seizure, and provide an opportunity to a clinically individual-based headache monitoring program, aiming for early migraine detection.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131071401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Effects of ion channel currents on induced action potentials 离子通道电流对诱导动作电位的影响
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-12-01 DOI: 10.1109/NER.2013.6696006
Rié Komuro, I. Balasingham
{"title":"Effects of ion channel currents on induced action potentials","authors":"Rié Komuro, I. Balasingham","doi":"10.1109/NER.2013.6696006","DOIUrl":"https://doi.org/10.1109/NER.2013.6696006","url":null,"abstract":"With development of electric devices, continuous exposure of electromagnetic (EM) fields to human bodies has become great concerns. Despite our interest, their effects on human bodies have not been well-determined. We have an interest in the non-thermal effects of the EM fields on neurons and attempt to establish a scientific explanation. Elucidation of the EM effects on neurons could allow us to make use of the induced current for spike initiation. As the first step toward understanding the connection between the applied current and the triggering action potentials, we simulated how the generated action potential would change depending on the applied current using a fundamental mathematical model on a simple geometry. Five periodic waves having different shapes were used as the applied current. Analysis showed that not only how the current increased the value but also how it decreased the value was important. We also concluded that the sine wave would be the best as the applied current among the five to generate action potentials.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"6 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120809963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Analysis of the effects of mechanically induced tremor on EEG-EMG coherence using wavelet and partial directed coherence 用小波和部分定向相干分析机械诱发震颤对脑肌电相干性的影响
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-11-08 DOI: 10.1109/NER.2013.6695996
Lara Mcmanus, Francesco Budini, F. Di Russo, M. Berchicci, F. Menotti, A. Macaluso, G. de Vito, M. Lowery
{"title":"Analysis of the effects of mechanically induced tremor on EEG-EMG coherence using wavelet and partial directed coherence","authors":"Lara Mcmanus, Francesco Budini, F. Di Russo, M. Berchicci, F. Menotti, A. Macaluso, G. de Vito, M. Lowery","doi":"10.1109/NER.2013.6695996","DOIUrl":"https://doi.org/10.1109/NER.2013.6695996","url":null,"abstract":"Corticomuscular coherence between human cortical rhythms and surface electromyography (sEMG) is commonly observed within the beta (13-35 Hz) and gamma (35-60 Hz) band frequency ranges, but is typically absent within the alpha band (8-12 Hz) in healthy subjects. A recent study has shown that significant alpha band corticomuscular coherence can be mechanically induced in healthy subjects using a spring of appropriate stiffness. Traditional coherence analysis is limited to examining whether a correlation exists between the electroencephalograph (EEG) and EMG recordings, by portraying instances of mutual synchrony. In this study the temporal evolution and directionality of the interaction between the EEG and EMG signals during mechanically induced alpha band coherence were investigated using two recent extensions of classical coherence, wavelet analysis and partial directed coherence. The results indicate a significant increase in directional information flow within the alpha and piper band frequency ranges in the EMG to EEG direction, and appear to provide evidence of the contribution of afferent feedback, and to a lesser extent descending cortical drives, to alpha band corticomuscular coherence.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122200240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Using brain connectivity measure of EEG synchrostates for discriminating typical and Autism Spectrum Disorder 用脑连通性测量脑电图同步状态鉴别典型和自闭症谱系障碍
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-11-08 DOI: 10.1109/NER.2013.6696205
Wasifa Jamal, Saptarshi Das, K. Maharatna, Doga Kuyucu, F. Sicca, L. Billeci, F. Apicella, F. Muratori
{"title":"Using brain connectivity measure of EEG synchrostates for discriminating typical and Autism Spectrum Disorder","authors":"Wasifa Jamal, Saptarshi Das, K. Maharatna, Doga Kuyucu, F. Sicca, L. Billeci, F. Apicella, F. Muratori","doi":"10.1109/NER.2013.6696205","DOIUrl":"https://doi.org/10.1109/NER.2013.6696205","url":null,"abstract":"In this paper we utilized the concept of stable phase synchronization topography - synchrostates - over the scalp derived from EEG recording for formulating brain connectivity network in Autism Spectrum Disorder (ASD) and typically-growing children. A synchronization index is adapted for forming the edges of the connectivity graph capturing the stability of each of the synchrostates. Such network is formed for 11 ASD and 12 control group children. Comparative analyses of these networks using graph theoretic measures show that children with autism have a different modularity of such networks from typical children. This result could pave the way to a new modality for possible identification of ASD from non-invasively recorded EEG data.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126217654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Forward estimation of joint torque from EMG signal through muscle synergy combinations 通过肌肉协同组合从肌电信号中正演估计关节扭矩
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-11-06 DOI: 10.1109/NER.2013.6696057
Zhan Li, M. Hayashibe, D. Guiraud
{"title":"Forward estimation of joint torque from EMG signal through muscle synergy combinations","authors":"Zhan Li, M. Hayashibe, D. Guiraud","doi":"10.1109/NER.2013.6696057","DOIUrl":"https://doi.org/10.1109/NER.2013.6696057","url":null,"abstract":"Human movement is a result of synergetic combinations of multiple muscle contractions. The summation of motor unit action potentials can be measured through Electromyography (EMG), thus the processed EMG can be regarded as the muscle activation to be employed to estimate joint movement or torque production. Such forward relationship for representing the joint torque can be established and identified through associated EMG/activations of extension and flexion muscle groups. On the other hand, muscle synergy always exists indicating how quantitatively central nervous system (CNS) drives correlated muscle groups to accomplish the joint torque generation. In this paper, we investigate the approaches of estimating the ankle joint torque from EMG/activatons of associated muscle groups. The approaches discussed fall into two main categories: i) full utilization of both of extension and flexion EMG/activations for estimating the joint torque; ii) exploitation of muscle synergy extraction of EMG/actvations and consequent usage of extracted components in reduced space for estimating the joint torque. Comparison is made between the two methods with experimental data of five able-bodied subjects. From the results we conclude that, method ii) with muscle synergy extraction may not degrade the performance of method i) but meanwhile show the the muscle synergic ratios for generating the joint torque, and involvement of joint position and velocity information can improve the estimation for both methods.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126937264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Selective ENG recordings using a multi-contact cuff electrode 使用多触点袖带电极的选择性ENG记录
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-11-06 DOI: 10.1109/NER.2013.6696086
S. Bonnet, C. Rubeck, V. Agache, A. Bourgerette, O. Fuchs, S. Gharbi, F. Sauter-Starace, P. Maciejasz, J. Divoux, N. Bourquin, C. Henry, S. Maubert
{"title":"Selective ENG recordings using a multi-contact cuff electrode","authors":"S. Bonnet, C. Rubeck, V. Agache, A. Bourgerette, O. Fuchs, S. Gharbi, F. Sauter-Starace, P. Maciejasz, J. Divoux, N. Bourquin, C. Henry, S. Maubert","doi":"10.1109/NER.2013.6696086","DOIUrl":"https://doi.org/10.1109/NER.2013.6696086","url":null,"abstract":"This paper describes the design, microfabrication, characterization and experimental validation of a 6-contact cuff electrode embedded in a parylene-based flexible support. This type of electrode is well suited for both peripheral nerve recording and stimulation and offers improved spatial selectivity as compared to conventional ring electrodes. Both measured and modeled impedance spectra are detailed. An experimental validation is performed on an earthworm with both multi-contact cuff (MCC) electrode recording and ring stimulation electrodes. Single fiber action potentials, elicited by the electrical stimulation, are well discriminated on the 6 contacts. Spontaneous activity is also recorded with burst of spikes.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116346555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
A method to quantitatively evaluate changes in tremor during deep brain stimulation surgery 一种定量评价深部脑刺激手术中震颤变化的方法
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-11-06 DOI: 10.1109/NER.2013.6696155
Ashesh A. Shah, J. Coste, J. Lemaire, E. Schkommodau, S. Hemm-Ode
{"title":"A method to quantitatively evaluate changes in tremor during deep brain stimulation surgery","authors":"Ashesh A. Shah, J. Coste, J. Lemaire, E. Schkommodau, S. Hemm-Ode","doi":"10.1109/NER.2013.6696155","DOIUrl":"https://doi.org/10.1109/NER.2013.6696155","url":null,"abstract":"Deep Brain Stimulation (DBS) surgery is used increasingly as a symptomatic treatment for patients with movement related neuro-degenerative disorders. However, the method of intraoperative symptom evaluation is subjective. This paper proposes a method to quantitatively evaluate tremor by measuring the acceleration of the patient's wrist during the surgery. The results of applying the method to 2 patients suggest that the acceleration measurements are very sensitive to the change in the tremor and that they can be used to identify clinically effective stimulation amplitudes. By collecting acceleration data from DBS surgeries for many patients, we hope to add more knowledge to the mechanisms of deep brain stimulation.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126810576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Estimation of internal variables from Hodgkin-Huxley neuron voltage 从霍奇金-赫胥黎神经元电压估计内部变量
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-11-01 DOI: 10.1109/NER.2013.6695905
A. Sinha, S. Schiff, Niklas Huebel
{"title":"Estimation of internal variables from Hodgkin-Huxley neuron voltage","authors":"A. Sinha, S. Schiff, Niklas Huebel","doi":"10.1109/NER.2013.6695905","DOIUrl":"https://doi.org/10.1109/NER.2013.6695905","url":null,"abstract":"This paper presents a novel approach to estimate internal variables such as gating variables, potassium, sodium and chloride concentrations from the knowledge of voltage of a neuron. This approach is based on the Hodgkin-Huxley neuron dynamics and basic ideas behind a Luenberger observer, and utilizes the full nonlinear dynamics. Results from numerical simulations are presented.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115242449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Resting-state fMRI activity in the basal ganglia predicts unsupervised learning performance in a virtual reality environment 基底节区静息状态fMRI活动预测虚拟现实环境中的无监督学习表现
2013 6th International IEEE/EMBS Conference on Neural Engineering (NER) Pub Date : 2013-11-01 DOI: 10.1109/NER.2013.6696238
C. Wong, V. Olafsson, M. Plank, J. Snider, E. Halgren, H. Poizner, Thomas T. Liu
{"title":"Resting-state fMRI activity in the basal ganglia predicts unsupervised learning performance in a virtual reality environment","authors":"C. Wong, V. Olafsson, M. Plank, J. Snider, E. Halgren, H. Poizner, Thomas T. Liu","doi":"10.1109/NER.2013.6696238","DOIUrl":"https://doi.org/10.1109/NER.2013.6696238","url":null,"abstract":"In unsupervised spatial learning, an individual develops internal representations of the environment through self-exploration without explicit feedback or instruction. In this study, we used resting-state functional magnetic resonance imaging (fMRI) to examine whether intrinsic fluctuations of the fMRI signal in the basal ganglia can be used to predict an individual's ability to learn in a virtual-reality unsupervised spatial learning environment. We found that better performers have higher resting-state fMRI signal amplitudes in the basal ganglia.","PeriodicalId":156952,"journal":{"name":"2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120992366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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