The Brain Names Itself
The brain named Leif Erikson and Verizon.Named our dog After after after, my favorite preposition. The brain named looners, nooners, and euphemisms. Brought an al dente noodle to the spaghetti house. The brain invented paint by numbers with Bob Ross and painted numbers on wooden cubes and a wood of painted bark. It invented acronyms and contractions. DTF at two oclock. The brain invented measurements for precise timekeeping and the idea that time is a social construct. The brain thinks a thought and thinks about thinking. You dont get much more meta than a fruit salad served from a watermelon basket. The brain wrote the heaventree of stars hung with humid nightblue fruit. The brain traced lines from stars and starred the best lines from books. The brain wrote books and turned some into props, like the hollowed-out Bible that held alcoholin The Simpsons. The other Homer spoke his books and hollowed out a horse. The brain named Zima, Zafiro Añejo, Helen, and the hippocampus, which comes in the shape of a seahorse. The brain invented comparison. The brain invented cramming. The brain invented irony. Imagine all the med students trying to commit the functions of the hippocampus to memory.
Melissa Barretts poems have recently appeared in BOMB, Harvard Review, Crazyhorse, Gulf Coast, Animal Shelter, Best New Poets, and Best American Poetry. She lives in Columbus, Ohio, and works at an urban public middle school.
It Is A Myth That Humans Only Use 10% Of Our Brain
We actually use all of it. Were even using more than 10 percent when we sleep. Although its true that at any given moment all of the brains regions are not concurrently firing, brain researchers using imaging technology have shown that, like the bodys muscles, most are continually active over a 24-hour period.
How Many Brain Cells Does A Human Have
The human brain contains about 86 billion nerve cells called “gray matter,” according to a 2012 study published in the Proceedings of the National Academy of Sciences. The brain also has about the same number of non-neuronal cells, such as the oligodendrocytes that insulate neuronal axons with a myelin sheath. This gives axons a white appearance, and so these axons are called the brain’s “white matter.”
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The Architecture Of The Brain
The brain is like a committee of experts. All the parts of the brain work together, but each part has its own special properties. The brain can be divided into three basic units: the forebrain, the midbrain, and the hindbrain.
The hindbrain includes the upper part of the spinal cord, the brain stem, and a wrinkled ball of tissue called the cerebellum . The hindbrain controls the bodys vital functions such as respiration and heart rate. The cerebellum coordinates movement and is involved in learned rote movements. When you play the piano or hit a tennis ball you are activating the cerebellum. The uppermost part of the brainstem is the midbrain, which controls some reflex actions and is part of the circuit involved in the control of eye movements and other voluntary movements. The forebrain is the largest and most highly developed part of the human brain: it consists primarily of the cerebrum and the structures hidden beneath it .
When people see pictures of the brain it is usually the cerebrum that they notice. The cerebrum sits at the topmost part of the brain and is the source of intellectual activities. It holds your memories, allows you to plan, enables you to imagine and think. It allows you to recognize friends, read books, and play games.
Ventricles And Cerebrospinal Fluid
Deep in the brain are four open areas with passageways between them. They also open into the central spinal canal and the area beneath arachnoid layer of the meninges.
The ventricles manufacture cerebrospinal fluid, or CSF, a watery fluid that circulates in and around the ventricles and the spinal cord, and between the meninges. CSF surrounds and cushions the spinal cord and brain, washes out waste and impurities, and delivers nutrients.
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What Makes A Brain
The human brain makes up, alongside the spinal chord, the central nervous system. The brain itself has three main parts:
- the brainstem, which, like a plants shoot, is elongated, and which connects the rest of the brain with the spinal chord
- the cerebellum, which is located at the back of the brain and which is deeply involved in regulating movement, motor learning, and maintaining equilibrium
- the cerebrum, which is the largest part of our brains and fills up most of the skull it houses the cerebral cortex and other, smaller structures, all of which are variously responsible for conscious thought, decision-making, memory and learning processes, communication, and perception of external and internal stimuli
Brains are made of soft tissue, which includes gray and white matter, containing the nerve cells, non-neuronal cells , and small blood vessels.
They have a high water content as well as a large amount of fat.
The brain of the modern-day human Homo sapiens sapiens is globular, unlike the brains of other early hominids, which were slightly elongated at the back. This shape, research suggests, may have developed in Homo sapiens about 40,00050,000 years ago.
Why Is The Brain Called Brain
Unlike the Romance words, most names for the brain in the Germanic languages trace to obscure etymons, Engl. brain being one of the hardest despite the fact that it has cognates in Frisian, Dutch, Low German, and some German dialects. Not unexpectedly, old scholars looked for some Greek sources of the Germanic noun. First phren was suggested, then bregma top of the head fontanel. The brain-bregma etymology proved long-lived, and 19th-century researchers tried to reinforce it. Among other things, they cited the pair Gothic hwairnei skull ~ Old Icelandic hjarni brain, and indeed the connection between the words for skull and brain looks natural.
Anatoly Liberman is the author of Word OriginsAnd How We Know Them. His column on word origins, The Oxford Etymologist, appears here each Wednesday. Send your etymology question to hell do his best to avoid responding with origin unknown.
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You Can Start A Fire With Ice
Start by shaping an extremely clear piece of ice into a disc that is thick in the middle and narrow at the edges. Now, smooth away any rough edges with the warmth of your hands. Angle your ice lens towards the sun, focusing the light on a pile of tinder. The ice acts as a convex lens, directing photons to a localized point. The resulting concentration of heat energy can reach extremely high temperatures, allowing the tinder to catch on fire. This is sometimes easier said than done the purity of the ice, thickness of the lens, and quality of tinder can all affect the process.
A Brain Freeze Is Really A Warning Signal
Officially called a sphenopalatine ganglioneuralgia, a brain freeze happens when you eat or drink something thats too cold. It chills the blood vessels and arteries in the very back of the throat, including the ones that take blood to your brain. These constrict when theyre cold and open back up when theyre warm again, causing the pain in your forehead. This is your brain telling you to stop what you are doing to prevent unwanted changes due to temperature.
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The National Institute Of Neurological Disorders And Stroke
Since its creation by Congress in 1950, the NINDS has grown to become the leading supporter of neurological research in the United States. Most research funded by the NINDS is conducted by scientists in public and private institutions such as universities, medical schools, and hospitals. Government scientists also conduct a wide array of neurological research in the more than 20 laboratories and branches of the NINDS itself. This research ranges from studies on the structure and function of single brain cells to tests of new diagnostic tools and treatments for those with neurological disorders.
For information on other neurological disorders or research programs funded by the National Institute of Neurological Disorders and Stroke, contact the Institute’s Brain Resources and Information Network at:
Office of Communications and Public LiaisonNational Institute of Neurological Disorders and StrokeNational Institutes of HealthBethesda, MD 20892
NINDS health-related material is provided for information purposes only and does not necessarily represent endorsement by or an official position of the National Institute of Neurological Disorders and Stroke or any other Federal agency. Advice on the treatment or care of an individual patient should be obtained through consultation with a physician who has examined that patient or is familiar with that patient’s medical history.
How Does The Brain Work
The brain sends and receives chemical and electrical signals throughout the body. Different signals control different processes, and your brain interprets each. Some make you feel tired, for example, while others make you feel pain.
Some messages are kept within the brain, while others are relayed through the spine and across the bodys vast network of nerves to distant extremities. To do this, the central nervous system relies on billions of neurons .
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Does The Brain Stay Alive After A Person Dies
April 2019 marked a milestone for both the initiative and neuroscience research at large: BRAIN Initiative researcher Nenad Sestan, of the Yale School of Medicine, published a report in the journal Nature, revealing that his research team had restored circulation and some cellular functions to pig brains four hours after the animals’ deaths, Live Science previously reported. The results challenged the prevailing view that brain cells are suddenly and irreversibly damaged shortly after the heart stops beating. The researchers did not observe any signs of consciousness in the brains, nor were they trying to on the contrary, the researchers injected pig brains with chemicals that mimicked blood flow and also blocked neurons from firing. The researchers emphasized that they did not bring the pig brains back to life. They did, however, restore some of their cellular activity.
Hummingbirds Are The Only Birds That Can Fly Backwards And Upside Down
The design of a hummingbird’s wings differs from most other types of birds. Hummingbirds have a unique ball and socket joint at the shoulder that allows the bird to rotate its wings 180 degrees in all directions. The shape of their wings are long, narrow and tapered, which allows them to move more quickly and easily through the air. Additionally, the shoulder and elbow joints of the wing are very close to their tiny bodies, allowing the wings to tilt and pivot. These characteristics allow hummingbirds to change flight directions in a way other birds cannot.
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How Do Brains Change With Age
As we age, parts of our brain begin to shrink naturally and we begin to gradually lose neurons. The frontal lobe and the hippocampus two key brain regions in regulating cognitive processes, including memory formation and recall start shrinking when we hit 60 or 70.
This means that we could naturally begin to find learning new things, or performing several tasks at the same time, more challenging than before.
There is some good news, as well, however. Till not too long ago, scientists used to believe that once we started to lose neurons, that would be it we would be unable to create new brain cells and had to resign ourselves to that.
However, it turns out that this isnt true. Researcher Sandrine Thuret, from Kings College London in the United Kingdom, has explained that the hippocampus is a crucial part in the adult brain in terms of generating new cells.
The process in which new nerve cells are created in the adult brain is called neurogenesis, and, according to Thuret, estimates suggest that an average adult human will produce 700 new neurons per day in the hippocampus.
This, she suggests, means that when we reach middle age, we will have replaced all the neurons that we had in this brain region in the beginning of our lives with ones that we produced during adulthood.
The Cell Structure Of The Brain
The brain is made up of two types of cells: neurons and glial cells, also known as neuroglia or glia. The neuron is responsible for sending and receiving nerve impulses or signals. Glial cells are non-neuronal cells that provide support and nutrition, maintain homeostasis, form myelin and facilitate signal transmission in the nervous system. In the human brain, glial cells outnumber neurons by about 50 to one. Glial cells are the most common cells found in primary brain tumors.
When a person is diagnosed with a brain tumor, a biopsy may be done, in which tissue is removed from the tumor for identification purposes by a pathologist. Pathologists identify the type of cells that are present in this brain tissue, and brain tumors are named based on this association. The type of brain tumor and cells involved impact patient prognosis and treatment.
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What’s The Difference Between The Left Brain And Right Brain
The human brain is divided into two hemispheres, the left and right, connected by a bundle of nerve fibers called the corpus callosum. The hemispheres are strongly, though not entirely, symmetrical. Generally, the left brain controls the muscles on the right side of the body, and the right brain controls the left side. One hemisphere may be slightly dominant, as with left- or right-handedness.
The popular notions about “left brain” and “right brain” qualities are generalizations that are not well supported by evidence. However, there are some important differences between these areas. The left brain contains regions that are involved in language production and comprehension and is also associated with mathematical calculation and fact retrieval, Holland said. The right brain plays a role in visual and auditory processing, spatial skills and artistic ability more instinctive or creative things, Holland said though these functions involve both hemispheres. “Everyone uses both halves all the time,” he said.
The Brain Named Itself
Today Im going to talk about how the brain named itself and other weird facts that will make you think long and hard.
1) Have you ever noticed that the lower case h looks like a chair?
2) Can you imagine what the first person to fall asleep was like? They probably didnt know what was happening.
3) Have you ever noticed that spoons are little bowls on sticks?
4) What if the coins you found around the house and in between couch cushions are actually from spiders trying to pay rent?
5) Two people could be born at exactly the same time, but because of time zones have different birthdays.
6) Ever heard of Ajax Soap? Well, their slogan is Stronger than Grease! Ajax was a Greek soldier and stronger than all of Greece. ).
7) The brain named itself
8) Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo is a grammatically correct sentence.
9) 111,111,111 x 111,111,111 = 12,345,678,987,654,321
10) The word crisp starts at the back of your mouth and ends at the front of your mouth.
11) 100 years from now, Facebook will be full of dead people
12) You have never seen your face, only pictures and reflections. .
13) Your age is the number of times youve orbited around the sun.
14) Theres a jellyfish that reverts to an earlier stage in its development cycle in order to cheat death.
15) Outer space is about an hour away by car .
17) 2013 was the first year since 1987 that didnt have a set of matching number.
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Your Brain Is Mostly Fat
Consisting of minimum 60% fat, your brain is the fattiest organ in your body. This is why healthy fats, such as omega-3s and omega-6s, are vital for brain and overall body health. Healthy fat helps stabilize the cell walls in the brain. It can also reduce inflammation and helps the immune system function properly.
How Much Does A Human Brain Weigh
The human brain weighs about 3 lbs. and makes up about 2% of a human’s body weight. On average, male brains are about 10% larger than female brains, according to Northwestern Medicine in Illinois. The average male has a brain volume of nearly 78 cubic inches , while the average female brain has a volume of 69 cubic inches . The cerebrum, which is the main part of the brain located in the front area of the skull, makes up 85% of the brain’s weight.
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What Are The Parts Of The Nervous System
The nervous system is made up of the central nervous system and the peripheral nervous system:
- The brain and the spinal cord are the central nervous system.
- The nerves that go through the whole body make up the peripheral nervous system.
The human brain is incredibly compact, weighing just 3 pounds. It has many folds and grooves, though. These give it the added surface area needed for storing the body’s important information.
The spinal cord is a long bundle of nerve tissue about 18 inches long and 1/2-inch thick. It extends from the lower part of the brain down through spine. Along the way, nerves branch out to the entire body.
Both the brain and the spinal cord are protected by bone: the brain by the bones of the skull, and the spinal cord by a set of ring-shaped bones called vertebrae. They’re both cushioned by layers of membranes called meninges and a special fluid called cerebrospinal fluid. This fluid helps protect the nerve tissue, keep it healthy, and remove waste products.