International Conference of the IEEE Engineering in Medicine and Biology Society. Proceedings
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Fabrication and electrochemical comparison of SIROF-AIROF-EIROF microelectrodes for neural interfaces.
International Conference of the IEEE Engineerin... 2014:478 (2014) PMID 25570000Iridium oxide has been widely used in neural recording and stimulation due to its good stability and large charge storage capacity (CSC). In general, the iridium oxide film used in the electrophysiological application can be grouped into three principal classifications: sputtering iridium oxide film...
Efficacy of cathodal transcranial direct current stimulation in drug-resistant epilepsy: A proof of principle.
International Conference of the IEEE Engineerin... 2014:530 (2014) PMID 25570013It has been proved that Transcranial DCS (tDCS) can modulate cortical excitability, enhancing or decreasing, respectively by anodal or cathodal polarity. The short-term and lasting alterations induced by tDCS are strictly related to the charge density, duration of stimulation and the depth of neuron...
Mixed-signal VLSI independent component analyzer for hearing aid applications.
International Conference of the IEEE Engineerin... 2014:606 (2014) PMID 25570032We present a mixed-signal architecture for implementation of independent component analysis designed for the task of blind source separation of acoustic sources interfacing miniature microphone array. The matrix-vector multiplication is implemented through integration of switched current sources con...
Selection of effective EEG channels in brain computer interfaces based on inconsistencies of classifiers.
International Conference of the IEEE Engineerin... 2014:672 (2014) PMID 25570048These results further validated the effectiveness of our proposed method....
Simulation of a computational winding filament model with an exponential spring to represent titin.
International Conference of the IEEE Engineerin... 2014:836 (2014) PMID 25570089The goal of developing high fidelity simulation of muscle force is of considerable interest for the biomedical community. Traditionally Hill models have been incorporated. However, feasible scope of the Hill model is inherently limited, especially in light of the growing relevance of muscle history...
Position versus force control: Using the 2-DOF robotic ankle trainer to assess ankle's motor control.
International Conference of the IEEE Engineerin... 2014:1186 (2014) PMID 25570176An estimated of 2,000,000 acute ankle sprains occur annually in the United States. Furthermore, ankle disabilities are caused by neurological impairments such as traumatic brain injury, cerebral palsy and stroke. The virtually interfaced robotic ankle and balance trainer (vi-RABT) was introduced as...
Investigation into machine learning algorithms as applied to motor cortex signals for classification of movement stages.
International Conference of the IEEE Engineerin... 2014:1290 (2014) PMID 25570202Neuroinformatics has recently emerged as a powerful field for the statistical analysis of neural data. This study uses machine learning techniques to analyze neural spiking activities within a population of neurons with the aim of finding spiking patterns associated with different stages of movement...
Predicting hand orientation in reach-to-grasp tasks using neural activities from primary motor cortex.
International Conference of the IEEE Engineerin... 2014:1306 (2014) PMID 25570206We presented a study for predicting hand orientation of non-human primate by decoding neural activities from primary motor cortex (M1). A non-human primate subject was guided to do reaching and grasping tasks meanwhile neural activities were acquired by chronically implanted microelectrode arrays. A...
Detection of breathing sounds during sleep using non-contact audio recordings.
International Conference of the IEEE Engineerin... 2014:1489 (2014) PMID 25570251We developed and validated a robust automatic breathing-sounds (i.e. inspiratory and expiratory sounds) detection system of audio signals acquired during sleep. Random forest classifier was trained and tested using inspiratory/expiratory/noise events (episodes), acquired from 84 subjects consecutive...
Performance evaluation of carbon black based electrodes for underwater ECG monitoring.
International Conference of the IEEE Engineerin... 2014:1691 (2014) PMID 25570300Underwater electrocardiogram (ECG) monitoring currently uses Ag/AgCl electrodes and requires sealing of the electrodes to avoid water intrusion, but this procedure is time consuming and often results in severe irritations or even tearing of the skin. To alleviate these problems, our research team de...