Relationships between catecholamines in urine and physical and mental effort.

@article{Fibiger1984RelationshipsBC,
  title={Relationships between catecholamines in urine and physical and mental effort.},
  author={Waldemar Fibiger and George Singer and Alan J. Miller},
  journal={International journal of psychophysiology : official journal of the International Organization of Psychophysiology},
  year={1984},
  volume={1 4},
  pages={325-33}
}
Excretion of noradrenaline and adrenaline was investigated in two experiments which included 3 physical test sessions and 3 mental test sessions (Experiment X) and a week of real-life situations (Experiment Y). An increased excretion of both catecholamines was found during each test in Experiment X. The noradrenaline excretion discriminated well between physical and mental tests, but one i.e. 35% VO2max. Adrenaline excretion discriminated the arithmetic test (AT) from the other mental tests… CONTINUE READING