[Biochemical and psychological indicators in air controllers in the "pre-start" state before beginning work...

The biochemical parameters (renal excretion of catecholamines, lipid metabolism, cholinesterase activity in blood, excretion of sodium and potassium in the saliva) and psychological parameters (attention concentration, anxiety, rate of information processing) of air controllers were determined immediately before their work shift. Most of the parameters were significantly changed.