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  • 1990-1994  (2)
  • Blood flow in human limbs  (1)
  • Cerebellum  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Intracellular recordings from rat thalamic VL neurons: a study combined with intracellular staining (1991)
    Springer
    Experimental brain research 87 (1991), S. 245-253 
    Details
    ISSN: 1432-1106
    Keywords: Thalamus ; VL neurons ; Cerebellum ; Intracellular recording ; Biocytin ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Intracellular recordings from thalamic neurons receiving cerebellar inputs were performed under urethane anesthesia in the rat. A total of 64 neurons were recorded intracellularly with micropipettes filled with 4% biocytin solution (dissolved in 0.5 M K-acetate), and cerebellar-induced EPSPs (CN-EPSPs), the membrane resistance and firing properties were analyzed with intracellular current injections. The mean latency of CN-EPSPs was 1.9 ± 0.8 ms and the mean input resistance measured in 10 neurons was 17.6 ± 5.0 MΩ. Thirty-two out of 35 stained neurons were analysed morphologically; 28 of these neurons were located in the VL, and 26 received CN-EPSPs. Their somata were round or polygonal in shape and the mean size was 22.5 × 15.2 μm. They had radially extending spinous dendrites, and the mean radii of the dendritic fields were 214.7 μm in the frontal and 171.4 μm in the sagittal planes. These morphological features were similar to those observed in the sensory relay nucleus of the thalamus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00231841
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Impedance plethysmography in human limbs (1991)
    Springer
    Medical & biological engineering & computing 29 (1991), S. 419-424 
    Details
    ISSN: 1741-0444
    Keywords: Blood flow in human limbs ; Disk electrode ; Electrode system ; Impedance plethysmography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Electrode design and electrode positioning are important factors in blood flow measurements using impedance plethysmography. Optimal electrode type and accurate positioning will decrease measurement errors and improve the signal-to-noise-ratio. Disk electrodes were found to be superior to tape electrodes because of their better skin-electrode stability and because they prevent limb compression. The distance between current electrodes and potential electrodes should be greater than 2·3 R (disk electrodes) and 1·5 R (tape electrodes) to avoid the influence of the so-called diffusion resistance (R is the radius of the limb at the electrode site).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02441664
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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