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Creator | Title | Description | Subject | Date |
126 |
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Normann, Richard A.; Shoham, Shy | Coding of position by simultaneously recorded sensory neurones in the cat dorsal root ganglion | Muscle, cutaneous and joint afferents continuously signal information about the position and movement of individual joints. How does the nervous system extract more global information, for example about the position of the foot in space? To study this question we used microelectrode arrays to record... | Cats; Sensory Neurones; Movement; Limb Position | 2004 |
127 |
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Christensen, Douglas A. | Modeling sources in the FDTD formulation and their use in quantifying source and boundary condition errors | The modeling of voltage and current sources as either added or replaced sources in FDTD simulations is described and their differences discussed in terms of a transmission line analogy. An infinitesimal current element (ICE) is used to illustrate the validation of added source modeling and to study... | Finite-difference time-domain method; Infinitesimal current element | 1995-04 |
128 |
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Normann, Richard A.; Campbell, Patrick K.; Jones, Kelly E. | 100 electrode intracortical array: structural variability | A technique has been developed for fabricating three dimensional "hair brush" electrode arrays from monocrystalline silicon blocks. Arrays consist of a square pattern of 100 penetrating electrodes, with 400 microns interelectrode spacing. Each electrode is 1.5mm in length and tapers from about 100 m... | Microelectrode arrays; Stimulation; Micromachining | 1990 |