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Graz brain-computer interface: an EEG-based cursor control system 格拉茨脑机接口:基于脑电图的光标控制系统
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.979127
J. Kalcher, D. Flotzinger, G. Pfurtscheller
{"title":"Graz brain-computer interface: an EEG-based cursor control system","authors":"J. Kalcher, D. Flotzinger, G. Pfurtscheller","doi":"10.1109/IEMBS.1993.979127","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.979127","url":null,"abstract":".Abstmcf ~ The idea of n new cnnimunicntion device a BninComputer Interface (BCI) for handicnppd penons is io record bioelectrical signals (EEC) on the intact scalp and use the cln%sificaiion of these signals for control or devices. This pnper discusses ongoing research in this neld and reports on a system developed in C m where EEC. i s used to control n cumor on n ntoniior in one dimension.","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125255399","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: 9
A PC-based battery of tests for quantitative assessment of upper-limb sensory-motor function in brain disorders 一套基于pc的脑部疾病上肢感觉运动功能定量评估测试
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.979205
R. Jones, N. Sharman, R. W. Watson, S. Muir
{"title":"A PC-based battery of tests for quantitative assessment of upper-limb sensory-motor function in brain disorders","authors":"R. Jones, N. Sharman, R. W. Watson, S. Muir","doi":"10.1109/IEMBS.1993.979205","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.979205","url":null,"abstract":"Abstracf A comprehensive battery of tests has been developed for quantitative assessment of the upper-limb sensorymotor system. The system is PC-based and replacs an earlier version based around a PDP-11/34. Hardware comprises a 386/486 PC, two screens, and three input devices steering wheel, floor-mounted joystick, and a dlinger tapping sensor. All tests are run and analyzed by the program SMTESTS whkh is menu-driven, flexible, and user-friendly. The test battery comprises tests of visuospatial function, motor function (minimal visual content), and tracking (substantial visual and motor requirements). The utility of the new battery has been ably demonstrated through its application in tbree recent research studies of sensory-motor defKits in Parkinson’s disease and as the central tool in a hospital-based driving assessment program.","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125320974","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: 25
Frequency domain estimation of covariate effects in multichannel brain evoked potential data 多通道脑诱发电位数据协变量效应的频域估计
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.979241
J. Raz, V. Cardenas, D. Fletcher
{"title":"Frequency domain estimation of covariate effects in multichannel brain evoked potential data","authors":"J. Raz, V. Cardenas, D. Fletcher","doi":"10.1109/IEMBS.1993.979241","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.979241","url":null,"abstract":"An evoked potential is the recorded brain electrical response to a stimulus such as an auditory click. In most evoked potential experiments, the response is studied as a function of covariates such as stimulus characteristics and drug states. We propose a frequency domain model of multichannel evoked potential data that includes parameters representing the effects of covariates on the amplitude and latency (time from stimulus presentation) of the response. The variability of the response among scalp electrodes is modeled by the activity of one or more equivalent electrical dipoles. The frequency domain representation allows considerable data reduction, facilitates modeling of the noise, and leads to a simple approximate expression for the latency effects. We describe maximum likelihood estimation of the model parameters and construction of approximate confidence intervals for the covariate effects. We report the results of a simulation study in which we evaluated the bias of the estimators and the coverage rate of the confidence intervals. We also report the results of an application to auditory evoked potentials recorded from five subjects.","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116023943","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
Biomechanical aspects in dental implant case planning 种植牙病例规划中的生物力学方面
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.979043
A. Balfour
{"title":"Biomechanical aspects in dental implant case planning","authors":"A. Balfour","doi":"10.1109/IEMBS.1993.979043","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.979043","url":null,"abstract":"Analyzing the anatomical forces and biomechanical features of root-form dental implants is a frequently overlooked, yet crucial aspect of presurgical case planning. An effective evaluation can facilitate selecting the optimum implant and restoration designs to withstand these forces for infinite life. A step-by-step sequence for evaluating the structural integrity of an implant system is presented .","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"581 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116067421","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: 0
Decoupling linear and non-linear parameters in bioelectric source estimation 生物电源估计中线性和非线性参数的解耦
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.979239
T. Oostendorp, A. van Oosterom
{"title":"Decoupling linear and non-linear parameters in bioelectric source estimation","authors":"T. Oostendorp, A. van Oosterom","doi":"10.1109/IEMBS.1993.979239","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.979239","url":null,"abstract":"An efficient method for estimating both linear and non-linear source parameters in bioelectric problems is described. The performance of this method is compared to other methods described in the literature.","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116095896","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: 9
A low cost, programmable, tissue stimulator for biomedical rmarch applications 一种低成本、可编程的生物医学组织刺激器
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.978877
R. Walters, F. Moeller, D. Trumblel
{"title":"A low cost, programmable, tissue stimulator for biomedical rmarch applications","authors":"R. Walters, F. Moeller, D. Trumblel","doi":"10.1109/IEMBS.1993.978877","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.978877","url":null,"abstract":"This paper presents a small, low cost implantable electrical stimulator for research applications. The unit consists of a lithium battery and electronic circuits mounted on a printed circuit board. These components are potted in biomedical grade epoxy which has external connections for the stimulating conductor (lead). The operating characteristics can be changed after the unit has been implanted by positioning a permanent magnet close to the unit and then removing it. The electrical stimulator is then cycled to a new operating mode. The operating life of these Units is 2-12 months depending on the application. The main application is muscle training for cardiomyoplasty research but these stimulators can be used in a wide variety of implantable devicee.","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116121150","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: 0
Two-dimensional coherence: a measure of asymmetry in postural steadiness 二维相干性:一种姿态稳定性不对称的测量方法
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.979083
L.M. Maowski, T. Prieto, J. Myklebust, E. Lovett, B. Myklebust
{"title":"Two-dimensional coherence: a measure of asymmetry in postural steadiness","authors":"L.M. Maowski, T. Prieto, J. Myklebust, E. Lovett, B. Myklebust","doi":"10.1109/IEMBS.1993.979083","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.979083","url":null,"abstract":"","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"176 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122311362","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: 2
Preprocessing noisy EEG data using time-frequency peak filtering 基于时频峰值滤波的脑电信号预处理
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.978639
M. Roessgen, B. Boashash, Mohamed Deriche
{"title":"Preprocessing noisy EEG data using time-frequency peak filtering","authors":"M. Roessgen, B. Boashash, Mohamed Deriche","doi":"10.1109/IEMBS.1993.978639","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.978639","url":null,"abstract":"This paper considers the problem of spectral parameter estimation for electroencephalogram (EEG) data in the presence of white Gaussian noise. A comparison of three known spectral estimation techniques is first presented. The methods work well at high signalto-noise ratio (SNR). However a t low SNR, which often characterises the EEG, these methods fail to produce good spectral estimates. Here, we discuss a new preprocessing technique for filtering noisy data. This technique is based on time-frequency peak filtering. Experimental results show that this method results in improved spectral estimates.","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122385729","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
Position independent control for simultaneous FES of biceps and quadriceps femoris 二头肌和股四头肌同时FES的位置独立控制
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.979163
G. Anda, B. Thielcke, L. del Re, F. Kraus, H. Gerber
{"title":"Position independent control for simultaneous FES of biceps and quadriceps femoris","authors":"G. Anda, B. Thielcke, L. del Re, F. Kraus, H. Gerber","doi":"10.1109/IEMBS.1993.979163","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.979163","url":null,"abstract":"","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122025969","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: 0
The application of adaptive fourier estimation to brainstem auditory evoked potential 自适应傅立叶估计在脑干听觉诱发电位中的应用
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ Pub Date : 1993-10-28 DOI: 10.1109/IEMBS.1993.978627
Ruihong Chen, Jiarui Lin
{"title":"The application of adaptive fourier estimation to brainstem auditory evoked potential","authors":"Ruihong Chen, Jiarui Lin","doi":"10.1109/IEMBS.1993.978627","DOIUrl":"https://doi.org/10.1109/IEMBS.1993.978627","url":null,"abstract":"A new method for obtaining brainetem auditory evoked potential (BAEP) ia used in this paper. The evoked response is modeled a8 a dynamic Fourier seriee and the Fourier coefficients are estimated adaptively by the leaet mean square algorithm The number of samples needed to obtain BAEP ie much lese than the conventional overlapping averaging method and the results are satisfactory. I t is shown that this method is available for proceseing BAEP.","PeriodicalId":408657,"journal":{"name":"Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122109434","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: 0
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