Hemispheres Brain facts

While investigating facts about Hemispheres Brain Definition and Hemispheres Brain Development, I found out little known, but curios details like:

A person with damage to the right brain hemisphere can develope a "joke addiction", a compulsive need to constantly make jokes

how many hemispheres does the brain have?

To understand a pun, the brain's left and right hemispheres have to work together due to the unique structure of the joke.

What are the two hemispheres of the brain?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what are the hemispheres of the brain. Here are 46 of the best facts about Hemispheres Brain Have and Hemispheres Brain Corpus Callosum I managed to collect.

what connects the two hemispheres of the brain?

Around 85% people breathe through one nostrils at a time which changes every few hours. It affects the body's glucose and oxygen levels and the activity of the brain hemisphere. Also explains why one nose is more stuffed up when having a cold.
Severing the bridge between the hemispheres in your brain causes the two hemispheres to become separate "selves" with different impulses, desires and capabilities.
Stroke victims who lose their ability to speak can often sing because the brain uses a different hemisphere to process the acts.
Patients who suffered from aphasia, the inability to express speech, can start to produce words by singing. This is because aphasia damages the left hemisphere of the brain, while singing uses the right hemisphere.
It is possible for the two hemispheres of our brains to be independently conscious – and even to have differing opinions.
A woman in 1984 was found to be able to switch on/off the two hemispheres of her brain at will. This resulted in being able to focus her efforts at relaxing/socializing/sexual or performing logical tasks such as work/math/writing.
We sleep worse the first night away from home, because one hemisphere of the brain stays awake to "keep guard"
Due to specialization of brain hemispheres, dolphins use the right eye to look at unfamiliar objects and the left eye for familiar targets
There's no "left brain vs. right brain" in terms of logic vs. creativity. The hemispherical breakdown in the brain is mostly to control a specific side of the body in terms of motor functions. Things like analytics, creativity, and other higher functions are spread out between both hemispheres.

hemispheres brain facts — What are the 2 hemispheres of the brain?

Why does the brain have two hemispheres?

You can easily fact check why do we have two hemispheres of the brain by examining the linked well-known sources.

There is no evidence that people are preferentially "Left brained" or "Right Brained." Though the brain is divided down the middle into two hemispheres, everything analytical isn't confined to one side of the brain, and everything to do with being creative the opposite.

If your corpus collosum is severed, your left and right hemispheres of your brain can develop their own individual perceptions, concepts, and impulses to act upon. - source

"split brain", a phenomenon in which communication between hemispheres is interrupted, which appears to give rise to completely separate individuals within each half.

Alien hand syndrome may be caused by a faulty connection between the left and right hemispheres of the brain - source

What happens when the hemispheres of your brain are disconnected?

Dolphins sleep one brain hemisphere at a time—half the brain sleeps while the other half is awake, allowing them to swim continuously

How to synchronize brain hemispheres?

There are people who have had the neural fibers connecting the two hemispheres of their brain severed, splitting their brain in two. After the right and left brain are separated, each hemisphere has its own separate perception, concepts, and impulses to act.

A dolphin sleeps with one eye open, it will shut down only one hemisphere of its brain. During this time, the other half of the brain monitors what's going around its environment.

Alien hand syndrome (AHS), a condition where a person's limbs act seemingly on their own, without any control over the actions. This condition usually occurs when the two hemispheres of the brain are surgically separated.

Chinese speakers engage more areas of their brains in language-related tasks than do English speakers. Chinese Mandarin speakers use an additional part of the right brain hemisphere, specifically in a region important for processing music, via pitch and tone

The Wada Test, a procedure where a single hemisphere of your brain is anesthetized, leaving the other one awake. This is used to test which side of the brain contains the language and memory centers.

In split-brain patients when information enters one of the hemispheres?

The Corpus Callosotomy a procedure where they cut the corpus callosum severing the connection between the hemispheres of the brain, it occasionally causes Alien Hand Syndrome, a condition popularized by Dr Strangelove.

When most species of marine mammals are asleep, there is always one hemisphere of their brain that is awake. This allows dolphins, for example, to swim and surface to breathe when they are sleeping. They enjoy the benefits of sleep but still perform many of the same processes done when awake.

The importance of inhaling and exhaling through your nose. It helps retain your body heat in the winter, is key to working out in colder temperatures, and stimulates the hemispheres in your brain.

Marine mammals can sleep with one hemisphere of their brain still functioning so they can surface for air and sleep at the same time

Rasmussen's Syndrome caused Cameron Mott to have up to 10 seizures a day. It was destroying one side of her brain and had to undergo a surgery called hemispherectomy. Meaning she had to have one hemisphere removed. She recovered and no longer had seizures thereafter.

How to balance your brain hemispheres?

Marsupials lack the corpus callosum, the part of the brain that allows your left and right hemispheres to communicate.

Dolphins and Whales survive on a sleeping technique called "hemispheric sleep," a state in which one side of the brain is awake while the other side is unconscious.

Some aquatic mammals can sleep with only one brain hemisphere so they can swim and surface to breath while sleeping

A procedure for treating epilepsy known as a Hemispherectomy in which one hemisphere of the brain is removed. The procedure is rare but effective at treating seizures, and patients can even retain some of the functions located in the removed hemisphere!

The left ear is specialized for listening to language and the right is for non-verbal stimuli due to the brain's hemisphere's being specialized for those things on those sides.

Chinese speakers use both hemispheres of their brain to process language while English speakers only use the left

Humans as recently as 3000 years ago might have thought with a Bicameral Mind, where the experiences and memories of the right hemisphere of the brain are transmitted to the left hemisphere via auditory hallucinations.

Not only are the two hemispheres of the brain independent in split-brain patients but they are also somewhat independent in "normal brained" people, as though two separate entities share deliveration over every thought.

a dolphin sleeps half of its brain in turn. One hemisphere first enters a sleep cycle while the contralateral remains awake. Once the first hemisphere has awoken, the other goes into its own sleep cycle. This allows the dolphin to continue swimming & surfacing for air while it sleeps.

Left-handed people often also have reversed brain-hemispheres compared to right-handed people

Einstein's corpus callosum (middle part of the brain) is thicker even that young people, allowing him a better connection between the two hemispheres of the brain.

In the classic Kubrick film, Peter Sellers’ eccentric character Dr. Strangelove suffered from agonistic apraxia, or "alien hand syndrome". It's caused by damaging the corpus callosum—the nerve fibers that connect the brain's two hemispheres. It’s now often known as Dr. Strangelove Syndrome.

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