In 1936, American author Lowell Thomas delivered a statement that would become widely quoted in his introduction to Dale Carnegie's book, How to Win Friends and Influence People.
In this context, he made a statement that soon gained popularity, citing William James, from Harvard, who claimed that humans use only 10% of the entire brain.
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Although this idea has acquired own life, culminating in the assumption that human beings use only 10% of their brains, it is important to question its veracity.
Despite the uncertain origins of this claim, which is sometimes attributed to William James, a prominent pioneer of psychology in the United States, it is agreed that such a claim is incontestably mistaken.
Assistant professor of evolutionary neuroscience at Harvard University, Erin Hecht, explained that this notion is groundless.
Contrary to popular belief, she emphasizes that humans are always making full use of the brain, refuting the idea that only 10% of it is employed, as discussed with Live Science.
The brain works in its entirety, as science claims
Julie Fratantoni, a cognitive neuroscientist and head of operations for The BrainHealth Project at the University of Texas at Dallas, expressed her views on the widely known myth.
According to her, this myth is a fantasy curious, involved in tensions regarding the real meaning of the “10%”. The prevalence of this myth is so marked that even students often raise questions about it.
She fratantoni considers whether this percentage refers to brain volume, energy metabolism, electrical activity or blood oxygenation levels.
Erin Hecht used an analogy between brain activity and heart function during the body's rest.
Just as the heart continues to pump even if it is not operating at its maximum capacity, the brain and their constituent units, the neurons, remain constantly active, even if at a low level. fundamental.
She highlighted the importance of this minimal activity, stating that neurons need to fire at a certain baseline level to maintain their health and integrity.
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