|Do You Believe, The Brain Turns The Elegant Eaters?|
A new study published in the journal Scientific Reports discusses the work of a more self-prioritizing brain. Researchers also found that when the brain and muscles work hard, a person's cognitive performance will be much lower than the energy expended for the physical.
Daniel Longman, a biological anthropologist from the University of Cambridge, UK, is the person who conducted the study.
Longman recalled that he became interested in this research after wading through the Atlantic Ocean at the age of 22 years. It was exhausting because she did not eat and sleep. After eating a small snack and taking a nap, he can think again and his body gets better.
Since then, he has focused his research on the understanding of evolutionary theory, especially how humans respond to stress through sports eyeglasses.
Previously, there was a theory that revealed the selfishness of the brain. It was published in 2004 in the journal Neuroscience & Biobehavioral Reviews.
The study reveals that the brain prioritizes itself, such as allocating energy and resources to oneself over other parts of the body. However, the proof is only done by Longman.
"The idea (published in the 2004 journal) was tested with 62 male athletes from Cambridge University doing three tasks," he told the Livescience journalist as quoted on Monday (23/10/2017).
First, they had to row hard on a rowing machine for three minutes. A week later, they were asked to sit on the same machine to complete a memory test. Here they have to remember 75 words they can.
In the third week, they have to do both at once. When men are in an exercise machine, they can not remember many words. In contrast to when they relax.
However, the decrease in strength in exercise is much greater than that of cognitive abilities. When men can only remember about 9.7% of the word, their physical power output drops to 12.5%.
"The decline in physical labor occurs because the brain and muscles share the same limited resources, not because they are distracted or choose to focus solely on the task of remembering words," Longman explains.
From here, it is known that the human brain is an enormous energy sucker and even takes up a fifth of the body's fuel supply.
In the journal, Longman and colleagues also wrote that the brain will continue to defend itself, even when other bodies fail.
"The selfish nature of the brain has been observed in the unique preservation of the brain, the body is wasted on those with long-term malnourishment and hunger, also in children born with limited growth," Longman said.