[Adrenaline and noradrenaline levels in 10-12-year-old boys during a mathematics test].

Blood plasma adrenaline and noradrenaline levels were measured using radio-enzyme techniques in 53 normally intelligent boys aged 10 to 12 years with and without Attention Deficit Disorders. The measurements were performed while the subjects were at rest and during a calculation load test. An anticipatory effect in the release of catecholamine and phasic… (More)