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Reversal of nitrogen narcosis in rats by helium pressure
nitrogen narcosis nitrogen helium animal rat
2009/7/20
Changes in operant behavior were obtained for rats breathing nitrogen, helium, and both gases combined. Exposure to 12.9 ATA of nitrogen (O2 maintained at normobaric value of 0.2 ATA) produced complet...
Lithium effects:protection against nitrogen narcosis, potentiation of HPNS
nitrogen narcosis high pressure nervous syndrome Lithium drug
2009/7/17
The effect of either 10, 8, or 6 meq/kg of intraperitoneal lithium chloride or sodium chloride on the loss of righting response (RR50) produced by 18.2 ATA N2-ATA O2 was examined in rats. Results were...
Dissociation of the behavioral and subjective components of nitrogen narcosis and diver adaptation
nitrogen narcosis hyperbaric chamber adaptation
2009/6/12
We investigated adaptation to nitrogen narcosis by compressing 11 highly experienced divers in a hyperbaric chamber to the equivalent of 54.6 meters of seawater once a day for 5 consecutive days. The ...
Change in strategy of solving psychological tests:evidence of nitrogen narcosis in shallow air-diving
Analysis of Variance Atmospheric Pressure Atmosphere Exposure Chambers Diagnosis
2009/6/4
The depths from 10 to 30 m are usually not considered narcotic in scuba air-diving, and evidence of psychomotor disturbances attributable to nitrogen narcosis at these depths is weak and contradictory...
Effects of NMDA administration in the substantia nigra pars compacta on the striatal dopamine release before and after repetitive exposures to nitrogen narcosis in rats
hyperbaric nitrogen nitrogen narcosis striatal dopamine release repetitive exposure animal rat NMDA receptor Dopamine
2009/6/2
Hyperbaric nitrogen-oxygen exposure developed in rats a decrement of the striatal dopamine release, which was reversed by repetitive exposures. This dopamine decrease could be the result of the antago...
Effect of brief, repeated hyperbaric exposures on susceptibility to nitrogen narcosis
nitrogen narcosis hyperbaric chamber adaptation
2009/3/30
We investigated the effect of brief, repetitive exposures to 5.5 ATA (148 fsw) in a hyperbaric chamber on adaptation to nitrogen narcosis. A standing-steadiness task, which measures body sway, was adm...
Nitrogen narcosis and ethyl alcohol increase the gain of the vestibular ocular reflex
helium heliox nitrogen hyperbaric air alcohol narcosis dive
2009/3/26
The effects of air, helium-oxygen (6.4 ATA), and ethyl alcohol (40% by volume at a dose of 1.5 ml/kg body weight) were examined on the gain, number of beats, and phase lag of the vestibular ocular re...