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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Neurophysiology 5 (1973), S. 230-236 
    ISSN: 1573-9007
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract High-selectivity surface electrodes were used to record the activity of single motor units of the human flexor pollicis brevis muscle and their involvement in the "silent period" and the inhibitory phase of the startle response was compared. In both these situations the degree of inhibition was greater for motor units whose action potential had a smaller amplitude. In cases of spinal inhibition, an independent direct relationship also was discovered between the intensity of the inhibitory response and the mean duration of the prestimulus interspike interval, which was completely absent during supraspinal inhibition. Correlation between the parameters of the inhibitory response of the single motor unit to influences of both types was significantly weaker than correlation between the effects of the spinal rebound phenomenon after both responses. The results suggest that involvement of spinal motoneurons in the inhibitory response is determined by interaction between several relatively independent factors.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Neurophysiology 6 (1974), S. 13-18 
    ISSN: 1573-9007
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effect of short acoustic and photic stimuli on the magnitude of the T- and H-reflexes was investigated in man. Two periods of increase in the amplitude and dispersion of the two test reflexes, disappearing during repetition of the stimulation, were found. Its first component differs from the second in the greater change in the T-reflex and the smaller extinction. The pattern of changes after photic and acoustic stimulation was the same but acoustic evoked a stronger response. The changes discovered are a subthreshold manifestation of the generalized response of motor activation evoked by a wide range of stimuli. It is postulated that its first component is determined by interaction between pyramidal impulses and the motor cortex and the second is due to the efferent volley from the primary cortical projection zones through the reticulo-spinal tract.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-9007
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Neuroscience and behavioral physiology 1 (1967), S. 101-108 
    ISSN: 1573-899X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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