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International Conference of the IEEE Engineering in Medicine and Biology Society. Proceedings

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  1. Geometric decoupling of a mouse array coil using a dual plane pair design with crisscrossed return paths and custom mounting fixture.

    International Conference of the IEEE Engineerin... 2014:1394 (2014) PMID 25570228

    An element design for receive array coils that decouples from the transmit coil without external active detuning is presented for magnetic resonance imaging (MRI) of mice. The array element uses a crisscrossed geometry on the return paths to reduce the current induced by the transmit coil. Witho...
  2. Exploring difference and overlap between schizophrenia, schizoaffective and bipolar disorders using resting-state brain functional networks.

    International Conference of the IEEE Engineerin... 2014:1517 (2014) PMID 25570258

    Schizophrenia, schizoaffective and bipolar disorders share some common symptoms. However, the biomarkers underlying those disorders remain unclear. In fact, there is still controversy about the schizoaffective disorder with respect to its validity of independent category and its relationship wit...
  3. The dynamic effect of muscle activation on knee stiffness.

    International Conference of the IEEE Engineerin... 2014:1599 (2014) PMID 25570278

    Adapting limb mechanics in a task and environment dependent manner is one component of human motor control. Joint mechanics have been extensively studied under static postural conditions, but less so under time-varying movement conditions. The limited studies that have investigated joint mechani...
  4. Simultaneous blind separation and clustering of coactivated EEG/MEG sources for analyzing spontaneous brain activity.

    International Conference of the IEEE Engineerin... 2014:4932 (2014) PMID 25571098

    Analysis of the dynamics (non-stationarity) of functional connectivity patterns has recently received a lot of attention in the neuroimaging community. Most analysis has been using functional magnetic resonance imaging (fMRI), partly due to the inherent technical complexity of the electro- or ma...
  5. A multichannel current stimulator chip for spatiotemporal pattern stimulation of neural tissues.

    International Conference of the IEEE Engineerin... 2014:5011 (2014) PMID 25571118

    We developed a prototype very-large-scale integration chip of a multichannel current stimulator for stimulating neural tissues by utilizing 0.25 μm high-voltage complementary metal-oxide-semiconductor technology. Our designed chip has 20 output channels that are driven by five current buffers ar...
  6. Bounded-observation Kalman filtering of correlation in multivariate neural recordings.

    International Conference of the IEEE Engineerin... 2014:5052 (2014) PMID 25571128

    A persistent question in multivariate neural signal processing is how best to characterize the statistical association between brain regions known as functional connectivity. Of the many metrics available for determining such association, the standard Pearson correlation coefficient (i.e., the z...
  7. Effects of carbon nanotube and conducting polymer coated microelectrodes on single-unit recordings in vitro.

    International Conference of the IEEE Engineerin... 2014:469 (2014) PMID 25569998

    Neuronal networks cultured on microelectrode arrays (MEAs) have been utilized as biosensors that can detect all or nothing extracellular action potentials, or spikes. Coating the microelectrodes with carbon nanotubes (CNTs), either pristine or conjugated with a conductive polymer, has been previ...
  8. Simulation-based optimization of a near-infrared spectroscopic subcutaneous fat thickness measuring device.

    International Conference of the IEEE Engineerin... 2014:510 (2014) PMID 25570008

    Using Monte Carlo simulations we optimized the wavelength and source-detector distance (SDD) of a reflectance-based spectroscopic device used for measuring subcutaneous fat thickness. As the optical properties of muscle, fat and dermis are wavelength dependent, it is necessary to choose a wavele...
  9. Design of micromachined self-focusing piezoelectric composite ultrasound transducer.

    International Conference of the IEEE Engineerin... 2014:550 (2014) PMID 25570018

    Based on the Fresnel half-wave band interference, a micromachined self-focusing piezoelectric composite ultrasound transducer was proposed in this paper. The theoretical analysis was deduced based on the concept of constructive interference of acoustic waves and electromechanical response of pie...
  10. Ensemble learning for the detection of facial dysmorphology.

    International Conference of the IEEE Engineerin... 2014:754 (2014) PMID 25570068

    Down syndrome is the most common chromosomal condition that presents characteristic facial morphology and texture patterns. The early detection of Down syndrome through an automatic, non-invasive and simple way is desirable and critical to provide the best health management to newborns. In this ...