Definition: "An ergogenic aid is any substance or phenomenon that enhances performance "
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25.12.2013 |
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Creatine has a similar effect in your brain as in your muscles
Study
The students got the students to add up a random series of numbers for a period of 15 minutes. The Japanese used the Uchida-Kraepelin test that psychiatrists use to measure mental fatigue. The more numbers you can add up, the fitter you are. In mental terms at least.
The researchers carried out the whole procedure twice. On one occasion the students were given 8 g of creatine monohydrate five days before the test, on the other occasion they were given a placebo. The creatine that the Japanese used came from Ezaki Glico.
Results
Using near infrared spectroscopy the researchers were able to study the composition of the blood in the brains of their subjects while they were doing the sums. They looked at the amount of oxygen that was attached to the haemoglobin molecules in the blood. The figure above shows that the blood in the brains of the subjects had more haemoglobin without oxygen [Desoxy-Hb] when the subjects had taken creatine.
The researchers also noticed that the number of haemoglobin molecules with oxygen was fewer when the subjects had taken creatine than when they had taken a placebo. That probably means that creatine supplementation boosts the oxygen consumption of the brain cells. It seems that brain cells work harder if you take creatine, the Japanese suggest.
Conclusion
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