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In order to assess the central motor pathways of HIV-infected patients motor evoked potentials were recorded on the upper limbs after transcranial and cervical magnetic stimulations and compared with peripheral conduction velocities. Motor evoked potentials were measured on both sides of 28 patients, mostly at the AIDS stage. Our results showed that(More)
Both, an analysis of the variation of the electromyographic signal with respect to the acceleration endured by flying personnel and an ergonomic evaluation of pilot activity, have been achieved. The authors show then the inadequacy of the muscular response to the high Gz with rapid on set and its functional incompatibility to provide simultaneously a(More)
Nervous conduction was measured in 27 subjects before and after compression in ternary mixture (helium, nitrogen and oxygen) ranging from 5,5 to 12 ATA. Among the eleven parameters studied, three showed an acceleration of the nervous conduction in the distal part of the sensitive and motor fibers. Although no precise mechanism can be established, different(More)
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