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Adaptive and Predictive Techniques in a Communication Prosthesis ..

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Adaptive and Predictive Techniques in a Communication Prosthesis…

Chronically implanted electrode arrays have enabled a broad range of advances in basic electrophysiology and neural prosthetics. Those successes motivate new experiments, particularly, the development of prototype implantable prosthetic processors for continuous use in freely behaving subjects, both monkeys and humans. However, traditional experimental techniques require the subject to be restrained, limiting both the types and duration of experiments. In this paper, we present a dual-channel, battery-powered neural recording system with an integrated three-axis accelerometer for use with chronically implanted electrode arrays in freely behaving primates. The recording system called HermesB, is self-contained, autonomous, programmable, and capable of recording broadband neural (sampled at 30 kS/s) and acceleration data to a removable compact flash card for up to 48 h. We have collected long-duration data sets with HermesB from an adult macaque monkey which provide insight into time scales and free behaviors inaccessible under traditional experiments. Variations in action potential shape and root-mean square (RMS) noise are observed across a range of time scales. The peak-to-peak voltage of action potentials varied by up to 30% over a 24-h period including step changes in waveform amplitude (up to 25%) coincident with high acceleration movements of the head. These initial results suggest that spike-sorting algorithms can no longer assume stable neural signals and will need to transition to adaptive signal processing methodologies to maximize performance. During physically active periods (defined by head-mounted accelerometer), significantly reduced 5-25-Hz local field potential (LFP) power and increased firing rate variability were observed. Using a threshold fit to LFP power, 93% of 403 5-min recording blocks were correctly classified as active or inactive, potentially providing an efficient tool for identifying different behavioral contexts in prosthetic applications. These results demonstrate the utility of the HermesB system and motivate using this type of system to advance neural prosthetics and electrophysiological experiments.

Predictive Techniques in a Communication Prosthesis ..

1.) A microcomputer keyboard substitute for the disabled
2.) Control and communication for physically disabled people, based on vestigial signals from the body
3.) Guidance of wheel chair using electro-oculography
4.) Adaptive non contact gesture-based system for augmentative communication
5.) Low cost assist device for deaf and dum
6.) Hardware implementation of a stimulus artifact rejection algorithm in closed loop neuroprosthesis
7.) Design of myoelectric controlled prosthetic hand / arm / leg
8.) A Hybrid Approach for Measurement of Normal Pressures Between Residual Limb and Prosthetic Socket
9.) Electrically driven artificial arm
10.) Multi-freedom myoelectric prostheses with tactile, temperature & pressure sensing
11.) Experimental development of a sensory control system for an upper limb myoelectric prosthesis with cosmetic covering
12.) EMG Prosthetic Hand Controller Discriminating Ten Motions using Real-time Learning Method
13.) Development of a Prosthetic Hand Using Adaptable Control Method for Human Characteristics
14.) Fuzzy-control of a hand orthosis for restoring tip pinch, lateral pinch, and cylindrical prehensions to patients with elbow flexion intact
15.) A fuzzy clustering neural network architecture for multifunction upper-limb prosthesis
16.) Levenberg-Marquardt Based Neural Network Control for a Five-fingered Prosthetic Hand
17.) Design and Control of an Exoskeleton System for Human Upper-Limb Motion Assist
18.) A Five-fingered Underactuated Prosthetic Hand Control Scheme
19.) A CAN-based distributed Control System for Upper Limb Myoelectric Prosthesis
20.) Lift assist arm brace
21.) Simulation of an Above-Elbow Myoelectric Prosthetic Arm For Development of an Implanted Myoelectric Control System
22.) An Innovative High-Level Human-Robot Interaction for Disabled Persons
23.) Communication aid for speech disabled people using Morse codification
24.) Automatic Morse-Coded Recognition with Adaptive Variable-Ratio Threshold Prediction for Physically Impaired Persons / Unstable Morse code recognition system with back propagation neural network for person with disabilities / Unstable Morse code recognition system with Expert-Gating Neural network / Morse code recognition system with fuzzy algorithm for disabled persons
25.) EOG-Based Glasses-Type Wireless Mouse for the Disabled
26.) Development of Meal Assistance Orthosis for Disabled Persons with Human Intention Extraction through EOG Signals / Determination of Target Position of Meal Assistance Orthosis Using EOG signal and Dish Image
27.) A Practical EMG-based Human-Computer Interface For Users With Motor Disabilities
28.) Feasibility of Electroculography as a Command Interface for a High Tetraplegia Neural Prosthesis
29.) Conversion of EEG Activity Into Cursor Movement by a Brain-Computer Interface (BCI)
30.) Developing the user-system interface for a communications system for ALS patients and others with severe neurological impairments.
31.) EOG Single Switch Morse code Translate Input Device for Individuals with The Motor Neuron Disease
32.) Wearable EMG based HCI for electric-powered wheelchair users with motor disabilities
33.) A flexible, portable system for neuromuscular stimulation in the paralyzed upper extremity
34.) A programmable electronic stimulator for FES system for physically impaired / A versatile multichannel direct-synthesized electrical stimulator for FES applications
35.) A versatile microcontroller based multichannel stimulator for skeletal muscle cardiac assist
36.) The development of a knee locker with closed-loop functional electrical stimulation (FES) for
hemiplegia in gait training
37.) A neuro-control system for the knee joint position control with quadriceps stimulation.
38.) Feedback regulation of hand grasp opening and contact force during stimulation of paralyzed muscle
39.) Functional neuromuscular stimulation for combined control of elbow extension and hand grasp in C5 and C6 quadriplegics.
40.) Synthesis of hand grasp using functional neuromuscular stimulation
41.) A hybrid computerized neuromuscular stimulation system for Upper limb functions regained in quadriplegia
42.) A noninvasive functional electrical stimulation system with patient-driven loop for hand function restoration
43.) A Text Input System Developed by Using Lips Image Recognition Based on LabVIEW for the Serious Disabled
44.) Biologically Inspired Autoadaptive Control of a knee prosthesis

Adaptive and predictive techniques in a communication prosthesis

01/10/2015 · Title: Adaptive calibration of noise predictive finite impulse response filter based on decoder convergence. Abstract: A communication system and a …

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1.) Development of Wireless Brain Computer Interface With Embedded Multitask Scheduling and its Application on Real-Time Drivers Drowsiness Detection and Warning
2.) A Multi-class BCI using MEG
3.) A Miniature Robot for Isolating and Tracking Neurons in Extracellular Cortical Recordings
4.) Adaptive brain interface (ABI) : A portable non-invasive brain-computer interface
5.) An adaptive neuro-fuzzy method (ANFIS) for estimating single-trial movement-related potentials
6.) A Brain Computer Interface based on Steady-State Visual Evoked Potential
7.) Prosthetic Control by an EEG-based Brain-Computer Interface (BCI)
8.) EEG Signal Classification for Brain Computer Interface Applications
9.) Estimating cognitive state using EEG signals for BCI design
10.) EEG-based control of reaching to visual targets
11.) EEG-Based Brain-Computer Interaction: Improved Accuracy by Automatic Single-Trial Error Detection
12.) Mental Task Classification for Brain Computer Interface Applications
13.) Vibrotactile Feedback in the context of Mu-rhythm Based BCI
14.) BCI device for paralysed patient
15.) PC & Pocket PC based BCI architectures
16.) EEG based brain computer interfaces
17.) Rapid Prototyping of an EEG-based Brain-Computer Interface (BCI)
18.) Signal extraction for Brain computer interface
19.) Statistical modelling for adaptive Brain computer interface
20.) A flexible Brain Computer Interface for applications ranging from video game to virtual environment
21.) Classification of Brain computer interface data
22.) Functional Near IR spectroscopy for adaptive BCI
23.) The non-invasive Brain-Computer Interface: Fast Acquisition of Effective Performance in Untrained Subjects
24.) Development of a neuronal motor prosthesis for the restoration of movement in paralyzed people
25.) Discriminating sounds from the human electrocorticogram for brain-computer interfaces
26.) Performance and control error related neuronal signals in human ECoG recordings
27.) Decoding Performance for Hand Movements: EEG vs. MEG
28.) Movement onset related changes in ECoG recordings
29.) Human brain-machine interfacing based on epicortical field potentials
30.) Neuronal encoding of movement in motor cortical networks
31.) Prediction of Arm Movement Trajectories from ECoG-Recordings in Humans
32.) Hand movement direction decoded from MEG and EEG
33.) Movement Related Activity in the High Gamma Range of the Human EEG
34.) Applicability of hand movement decoding in MEG-based Brain-Machine-Interfaces
35.) Identification of Natural Grasps in Human ECoG Signals
36.) Representation of arm movement parameters in the EEG
37.) Unsupervised adaptive kalman-filter for decoding non-stationary brain-signals
38.) Human brain-machine interfacing based on epicortical field potentials
39.) Spatiotemporal mapping of information about arm movement direction using high-resolution EEG
40.) Decoding of movement from electrocorticographic (ECoG) recordings in human sensorimotor cortex – a potential basis for a brain-machine interface
41.) Portable Electroencephalogram Biofeedback Device
42.) Design and development of visual evoked potentials recording system for diagnosis of optic nerve diseases
43.) Wireless neural data acquisition system
44.) Design and evaluation of Human computer interaction using electro-oculography
45.) Development and Performance Evaluation of a Neural Signal-based Assistive Computer Interface
46.) Non-invasive brain actuated control of a mobile robot using human EEG
47.) Brain Computer Interface Cursor Measures for Motion-impaired and Able-bodied Users
48.) Brain-Computer Interface for a Prosthetic Hand Using Local Machine Control and Haptic Feedback
49.) Brain-computer interfaces for 1-D and 2-D cursor control: designs using volitional control of the EEG spectrum or steady-state visual evoked potentials
50.) Control of a two-dimensional movement signal by a noninvasive brain-computer interface in humans
51.) Single channel EEG based prosthetic hand grasp control for amputees
52.) Rapid Prototyping of a Single-Channel Electroencephalogram-Based? Brain- Computer Interface
53.) Real time eye blink suppression using neural adaptive filters for EEG based BCI
54.) Frequency component selection for EEG based BCI
55.) Designing and Fitting FES and Prosthetic Systems in a Virtual Reality Environment
56.) Artifact EEG detection in sleep EEG recording
57.) Integrated system for analysis and automatic classification of sleep EEG
58.) On-Line Evaluations of the LF-ASD BrainComputer Interface With Able-Bodied and Spinal-Cord Subjects Using Imagined Voluntary Motor Potentials
59.) Detection of event-related potentials for development of a direct brain interface
60.) Identification of finger flexions from continuous EEG as a brain computer interface
61.) Separability of EEG signals recorded during right and left motor imagery using adaptive autoregressive parameters
62.) De-trended fluctuation analysis of EEG in sleep apnea using MIT/BIH polysomnography data
63.) Artifact Removal from Electroencephalograms Using a Hybrid BSS-SVM Algorithm
64.) Pre-processing and time-frequency analysis of newborn EEG seizures
65.) Feature Attraction and Classification of Mental EEG Using Approximate Entropy
66.) Analysis of Sleep Fragmentation and Sleep Structure in Patients With Sleep Apnea and Normal Volunteers
67.) P300 Detection for Brain-Computer Interface from Electroencephalogram contaminated by Electrooculogram
68.) Simple Gesture Recognition of Bio-Potential Signals and Its Application to Hands-Free Manipulation System
69.) Prediction of Multiple Movement Intentions from Contingent Negative Variation (CNV) Signal for Multi-Dimensional BCI

1.) Low Cost DSP Based System for Signal Processing and Control
2.) EEG signal decomposition and improved spectral analysis using wavelet transform
3.) Separation of maternal ECG & Fetal ECG using Principal Component Analysis (PCA) / Blind
Separation of Fetal ECG From Single Mixture Using SVD and ICA
4.) A simulation model for the fetal and maternal electrocardiogram (ECG)
5.) Real-time Processing of Biological Signals to Provide Multimedia Biofeedback as an Aid to Relaxation Therapy.
6.) ECG beat recognition using fuzzy hybrid neural network
7.) A QRS detection method using analog wavelet transform in ECG analysis
8.) Detection of ECG Characteristic Points Using Wavelet Transforms / ECG Feature Extraction Based on Multiresolution Wavelet Transform / Characterising the Discrete Wavelet Transform of an ECG Signal for use in Automated Diagnosis / Correlation analysis for abnormal ECG signal features
extraction/ ECG Feature Extraction Using Daubechies Wavelets & Optimal Mother Wavelet / ECG
Feature Elements Identification For Cardiologist Expert Diagnosis
9.) Removal of Ocular Artifacts from Related Evoked Potentials using variable step size least mean
squares (VSSLMS) Adaptive Filter
10.) EEG ocular artefact removal through ARMAX model system identification using extended least
11.) Detection of characteristic waves of sleep EEG by neural network analysis
12.) Speech recognition using neural networks
13.) ECG Baseline Wandering Reduction Using Discrete Wavelet Transform
14.) Automated detection and elimination of periodic ECG artifacts in EEG using the energy interval histogram method
15.) Reduction of Motion Artifact in Pulse Oximetry by Smoothed Pseudo Wigner-Ville Distribution
16.) Auditory brain stem signal processing
17.) Non-invasive determination of electromechanical time intervals of cardiac cycle using abdominal ECG and Doppler ultrasound signals from fetal heart
18.) Auditory processing of speech signals for robust speech recognition in real-world noisy environments
19.) Cochlear Implant Sound Processing – ReducingWind Noise / Overcoming reverberation
20.) Optimal Microphone Frequency Response for Cochlear Implant Sound Processing
21.) Linear Predictive Coding of Speech Signals
22.) The Effect of the Additivity Assumption on Time and Frequency Domain Wiener Filtering for Speech Enhancement
23.) Speech enhancement using near field super directivity with an adaptive side-lobe canceller and post filter
24.) Moving source speech enhancement using time delay estimation
25.) Multi-sensory microphones for robust speech detection, enhancement and recognition
26.) Speech enhancement based on wavelet denoising
27.) Sub band adaptive speech enhancement for hearing aids
28.) Speech enhancement Speech stream segregation
29.) Detection of seizure signals in newborns
30.) Blind separation & filtering of biomedical signals using state space models
31.) E.O.G. guidance of a wheelchair using neural networks
32.) Classification of EOG for human computer interface
33.) A wavelet based de-noising technique for ocular artifact correction of the EEG
34.) Extraction and separation of eyes movements and the muscular tonus from a restricted number of electrodes using the Independent Component Analysis
35.) Independent component analysis for identification of artefacts in magneto-encephalographic recordings
36.) Method for Ocular Artifact Correction of Cognitive Electrophysiological Signals
37.) Aiding the Detection of Alzheimers Disease in Clinical Electroencephalogram Recording by
Selective De-Noising of Ocular artifacts
38.) HAAR Wavelet Based Technique for Detection and De-Noising of Ocular Artifact in Normal and Epileptic Electroencephalogram
39.) HO Adaptive Filters for Eye Blink Artifact Minimization from Electroencephalogram
40.) Blind Source Separation for Ambulatory Sleep Recording
41.) Fractal Dimension of the EEG for Detection of Behavioural Micro-sleeps
42.) Development of an algorithm for an EEG-based driver fatigue countermeasure
43.) Discriminating Mental Tasks Using EEG Represented by AR Models
44.) Itakura Distance: A Useful Similarity Measure between EEG and EOG Signals in Computer-aided Classification of Sleep Stages
45.) Automatic Determination of Sleep-Wake States from EOG Signals Using Fusion Technique
46.) Characterization of Sleep-Wake state From EEG signals Using Fractal Method
47.) Real-time processing of blink artifact elimination on EEG records by use of the normalized averaging method
48.) Wavelet based Novel Technique for Signal Conditioning of Electro-Oculogram Signals
49.) Processing of Multichannel biosignal recordings for Data-Mining Algorithms
50.) Drifting and Blinking Compensation in Electro-oculography (EOG) Eye-gaze Interface
51.) Multiple Channel Electrooculogram Classification using Deterministic Finite Automata (DFA) /Automatic Electrooculogram Classification for Microcontroller Based Interface Design using DFA / VHDL based EOG signal classification
52.) Blind extraction of microsleep events
53.) A normalised kurtosis based algorithm for blind source extraction from noisy biosignals measurements
54.) Application of the Cell Averaging Constant False Alarm Rate Technique to Saccade Detection in Electro-oculography
55.) Reducing the Effects of Electrocardiographic Artifacts on Electrooculography in Automatic Sleep Analysis
56.) Elimination of the ECG artifact in the polysomnographic EEG and EOG using AR model
57.) Speech Enhancement Based on Spectral Estimation from Higher-lag autocorrelation
60.) A Least Square DFT Method for Sub-sample Fetal Heart Rate Estimation Under Noisy Conditions
61.) A novel technique for the extraction of fetal ECG using polynomial networks
62.) Wavelet Transform And Simplicity Based Heart Murmur Segmentation
65.) Canceling the cardiogenic artifact in impedance pneumography
66.) A Least Square DFT Method for Sub-sample Fetal Heart Rate Estimation Under Noisy Conditions
67.) Sleep apnea detection using fuzzy logic
68.) Classification of the Thyroid Nodules Using Support Vector machines

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