[Changes of the sleep-waking ccle following lesions of the cerebellar nuclei in the cat].
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Animals↗
Biomedical subjects
E Giannazzo
Publications and source records attributed to E Giannazzo.
Changes in the sleep-wakefulness cycle induced by chronic fastigial lesions in the cat.
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Animals↗
[Characteristic curves of the refrigerating action of thin cryogenic catheters with carbon anhydride expansion].
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Animals↗
[Electroencephalographic effects produced by electric stimulation or reversible inactivation of the medial geniculate body (pars magnocellularis) in the cat].
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Animals↗
Diffuse electrocortical effects elicited in the cat by stimulation or functional inactivation of the medial portion (pars magnocellularis) of the medial geniculate body.
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Animals↗
[Psychoneurophysiological findings in normal subjects. (Behavior of the H and T monosynpatic reflexes and post-click motor responses].
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Adolescent↗
[Technical characteristics of an acoustic-mechanical stimulator for electromyographic research and clinical neurophysiology].
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Animals↗
[Design and use of an acoustic biostimulator for systematic studies of the configuration of evoked electrodermal orientation responses].
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Acoustic Stimulation↗
[Monitoring of motor activity in sleeping subjects. Technical and methodologic aspects].
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Humans↗
[Quantification of motor activity in biomedicine].
A computer-assisted analysis of motor activity was carried out using ultrasound waves, that are not invasive and free from any kind of interference, because of their specific characteristics. We worked out the Doppler's effect which determines a frequency variation on the reflected wave from any body in motion. That variation is linked to the velocity of the moving body and the superimposition of the emitted wave with those reflected, results in beats, which have a frequency proportional to the motor activity velocity. Our research group planned and carried out an electronic quantification apparatus that can be interfaced with a personal computer system by means of an Analog to Digital acquisition card. The performed test on the apparatus confirmed that the theory that the number of antinodes detected was proportional to the space covered by the moving body. The equipment was also tested on several types of animals.
Analog-Digital Conversion↗