Why does the brain begin to age after 20 years, does the brain of geniuses and criminals differ, do nerve cells regenerate, why do they die in large numbers in infants? There are a lot of myths and many surprising facts about the work of our brain. The Daily Mail talks about the most curious secrets of the grey matter.
Facts About Human Brain
“A person cannot tickle himself.” The fact is that the human brain is tuned to the perception of external stimuli, so as not to miss the important signals in the stream of sensations caused by the actions of the person himself.
“Looking at a photo is harder than playing chess.” The fact is that a person is often quite difficult to identify visual objects. A glimpse can easily be mistaken for something else. For example, the figure of a person standing on an unlit highway may well be a road sign.
“Yawning helps the brain wake up.” Yawning is often associated with lack of sleep and boredom, but in fact, it helps a person to wake up. While yawning, the respiratory neck expands, which allows the lungs to get more oxygen, which then moves into the bloodstream, making us more cheerful.
“Computer games teach you to do several things at once.” The best source of training ability to perform multiple tasks at the same time are computer games. In shooters, for example, it is necessary to shoot as many enemies as possible from different sides. Games make people disperse attention and immediately respond to the slightest changes in the situation.
“Exercises help keep the brain in shape.” Constant exercise increases the number of capillaries in the brain, which allows you to deliver more oxygen and glucose. Former athletes lose mental health less often than others with age. To be effective, sports should last at least 30 minutes several times a week.
“The human brain uses less energy than a light bulb in the fridge.” Messages between brain cells are transmitted using electrical signals. It uses 12 watts of energy – less than for the operation of the light bulb in the refrigerator.
“A stupid song is very difficult to forget.” The brain remembers the daily routine of a person, starting with making coffee and ending with the road he must travel to get home. The ability to recall this sequence makes everyday human life possible. Often the brain automatically includes the melody heard in this algorithm and periodically resembles it to a person.
Myths About Human Brain
“A person can use only 10% of his brain.” Despite the divergence of this opinion, in fact, people every day uses the full potential of his brain. Various studies have shown that even to perform a simple task, almost all parts of the brain are activated.
“The blind can hear better.” Studies have shown that the blind hear faint sounds no better than anyone else. However, blind memory has better developed auditory memory. They quickly understand the meaning of the sentence in a foreign language, and also better determine the source of the sound.
“The bigger the brain, the more crazy.” Brain size does not affect a person’s intellectual abilities. However, according to researchers, the mind depends on synapses – contacts between neurons. The number of synapses grows in the childhood and adolescent period of a person’s life and affects the intellect.
More Interesting Facts About The Human Brain
The brain, like muscles, the more you train it, the more it grows. The brain of an average adult male weighs 1424 grams; in old age, the brain mass decreases to 1395 g. The largest female brain in weight is 1565 g. The record weight of the male brain is 2049. The brain of I. S. Turgenev weighed in 2012 the average weight of the male brain was 1372 Flyweight normal neatrofirovannogo brain belonged to a 31-year-old woman – 1096 dinosaurs up to 9 meters in length, had a brain the size of a walnut and weighing only ’70
The most rapid brain development occurs aged 2 to 11 years.
Regular prayer reduces the frequency of breathing and normalizes the wave oscillations of the brain, contributing to the body’s self-healing process. Believers go 36% less to a doctor than others.
Chronic stress (Stress Meaning in Hindi) not only adversely affects the size and structure of the brain, but also adversely affects heredity.
The more educated a person is, the less likely it is a brain disease. Intellectual activity causes the production of additional tissue to compensate for the diseased.
Occupation by unfamiliar activity – the best way of development of a brain. Communicating with those who surpass you in intelligence is also a potent means of brain development.
Signals in the human nervous system reach a speed of 288 km / h. By old age, the rate is reduced by 15 percent.
Marilyn Mach Vos Savant from Missouri, who at the age of ten years already had an average IQ for 23-year-olds, demonstrated the highest level of intellectual development (IQ). She managed to pass the most difficult test for joining the privileged Mega Society, which includes only about three dozen people who have such a high IQ, which is found only in 1 person out of a million.
The Japanese have the highest average national IQ in the world —111. 10 percent of Japanese have a figure above 130.
The super-photographic memory belongs to Creighton Carvello, who is able to remember at a glance the sequence of cards in six separate decks at once (312 pieces).
The typical brain comprises about 2% of the body’s total weight but uses 20% of its total.
Your brain is 73% water. It takes only 2% dehydration to affect your attention, memory and other cognitive skills.
Ninety minutes of sweating can temporarily shrink the brain as much as one year of ageing does
A piece of brain tissue the size of a grain of sand contains 100,000 neurons and 1 billion synapses, all communicating with each other
Your brain generates about 12-25 watts of electricity. This is enough to power a low-wattage LED light