Central Fatigue: Why The Brains Of Athletes Give Out Before The Bodies Do

Central Fatigue: Why The Brains Of Athletes Give Out Before The Bodies Do

"Our discovery is helping to shed light on the paradox which has long been the subject of discussion by researchers. We have always known that the neurotransmitter serotonin is released when you exercise, and indeed, it helps us to keep going. However, the answer to what role the substance plays in relation to the fact that we also feel so exhausted we have to stop has been eluding us for years. We can now see it is actually a surplus of serotonin that triggers a braking mechanism in the brain. In other words, serotonin functions as an accelerator but also as a brake when the strain becomes excessive," says Perrier. This makes the mechanism behind central fatigue an interesting area in the battle against doping, and it is for this reason that Anti Doping Denmark has also helped fund the group's research.

Via +Sigurd Mikkelsen

#MT

Central Fatigue: Why The Brains Of Athletes Give Out Before The Bodies Do
When a marathon runner approaches the finish line of race but suddenly collapses, it’s reasonable to assume it is because of a muscle issue. It might also be a braking mechanism in the brain which swi…

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