an integrated model for magnetoencephalography (meg) and functional magnetic resonance imaging (fmri) is proposed. in the proposed model, meg and fmri outputs are related to the corresponding aspects of neural activities in a voxel. post synaptic potentials (psps) and action potentials (aps) are two main signals generated by neural activities. in the model, both of meg and fmri are related to t...

Background: It is assumed giving oxygen to patients with acute myocardial infraction may increase the oxygenation of the ischemic tissue; however, the usefulness of oxygen in these patients has become a challenging topic. Thus, the present study aimed to determine the effect of oxygen inhalation on cardiac biomarkers in patients with acute myocardial infarction.    Methods: This randomized cli...

in this study the effect of nitrogen form and different oxygen levels on growth and development and macronutrients concentrations in lettuce plants was investigated. this investigation showed that sole ammonium application caused fresh and dry weight reduction of shoot and root in lettuce plant. but different oxygen levels had no effect on them. nitrogen concentration of shoot was higher in amm...

At high altitudes, the air pressure is much lower than it is at sea level and contains fewer oxygen molecules and less oxygen is taken in at each breath. This requires deeper and rapid breathing to get the same amount of oxygen into the blood stream compared to breathing in air at sea level. Exercises increase the oxygen demand and make breathing more difficult at high altitude. In this study, ...

We have shown recently, in fresh heparinized blood drawn from smokers and equilibrated with 95 per cent oxygen in vitro for periods exceeding 30 min, that the oxygen content determined by Van Slyke analysis is significantly lower than in non-smokers' blood. The findings, which we have noted briefly elsewhere (Gregory, Hulands and Millar, 1972), were obtained during investigation of the normal o...

Sleep has to serve an important function to restore and recreate physical and mental performance. Current lifestyle attracts more attention towards sleep disorder. Hence sleep disorder is the subject of interest. This is now a common diagnostic process for health worldwide. The Polysomnography analyzer uses data mining technique to analyze patient blood oxygen level. Chronic Obstructive Pulmona...