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  • Similarities heart/pyeloureteral muscle  (2)
  • Luria  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Urological research 14 (1986), S. 25-30 
    ISSN: 1434-0879
    Keywords: Electrical stimulation ; Normal and pathological ureter strips ; Similarities heart/pyeloureteral muscle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 405 normal and pathological ureteral and pyelic strips were electrically stimulated according to different schemes. Reflux strips produced stronger contractions than normal ones; transversally excised strips contracted stronger than longitudinal ones. the amplitude of a test pulse after a series of stimuli increased with increasing delay until a constant value (at 30 s). The first contraction after a rest period had a lower latency and higher amplitude (“rest contraction”). The time to peak force of contractions was constant. Elongation of the strips increased the amplitude but not the latency of the contractions. In the discussion the similarities between the contractile behaviour of the pyeloureteral muscle and of the heart are discussed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Urological research 14 (1986), S. 31-35 
    ISSN: 1434-0879
    Keywords: Repetitive electrical stimulation ; Spontaneous activity ; Normal and pathological ureteric strips ; Similarities heart/pyeloureteral muscle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In normal proximal and distal pyeloureteral human strips and in pathological reflux or obstructive segments the influence of repetitive electrical stimulation at frequencies between 0.01 and 200 Hz on their contractile behaviour was studied. Between 0.01 and 1 Hz baseline tone and maximum amplitude of contraction were dependent on stimulation frequencies, but some strips showed an irregular response pattern. At frequencies between 1 and 200 Hz half of the strips showed a typical “on” and “off” contraction (at the beginning and end of the stimulus period respectively) separated by a plateau. We consider the “off” reaction to be a response to an ionic displacement at the end of the stimulus. Spontaneous activity was mostly observed in Tyrode solution and in calix and pyelum. Transmural nerve stimulation did not change the contraction patterns.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Neuropsychology review 9 (1999), S. 107-116 
    ISSN: 1573-6660
    Keywords: Luria ; neuropsychology ; assessment ; neo-Lurian ; PASS ; remediation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract The first part of this article presents an operational battery of tasks for measuring the four cognitive processes of Planning, Arousal–Attention, and Simultaneous and Successive processing (PASS) not only based on the qualitative data provided in Luria's syndrome analysis, but also taken from tasks in experimental cognitive psychology and neuropsychology. The second part of the article presents a remedial program based on PASS for enhancement of reading. Because this part provides in some detail the efficacy of the remedial procedure, it simultaneously validates the PASS constructs as well. In both parts of the article, I have been unmistakably guided by Luria's views: Tests are approaches to investigating cognitive functions, and the purpose of testing is to guide rehabilitation.
    Type of Medium: Electronic Resource
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