Neuroscience Basics: Human Brain Anatomy and Lateralization of Brain Function, 3D Animation.
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- Опубликовано: 9 фев 2025
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The human brain is divided into three major parts :
The cerebrum (SER-eh-brum) - the largest part of the human brain. The cerebrum enables sensory perception and controls voluntary motor actions.
The cerebellum (SER-eh-BEL-um) - the cerebellum lies inferior to the cerebrum at the back of the head. It is mostly involved in coordination of movement and fine tuning of motor activities.
The brainstem - the brainstem is located at the base of the brain and is continuous to the spinal cord. It houses all nerve connections between different parts of the central nervous system. The brainstem provides innervation to the head and neck via cranial nerves. It also contains nuclei associated with important body functions such as regulation of blood pressure, respiration, swallowing, bladder control, sleep cycle, … among others.
On top of the brainstem, and sometimes classified as part of it, is the diencephalon. The main components of the diencephalon are:
The thalamus - the thalamus serves as a gateway relaying sensory signals originated throughout the body to the cerebral cortex. It is also involved in emotional and memory functions.
The hypothalamus - the hypothalamus is the major control center of the autonomic nervous system and plays essential role in homeostatic regulation. The hypothalamus links the nervous system to the endocrine system via the pituitary gland. It also contains nuclei involved in regulation of body temperature, food and water intake, sleep and wake cycle, memory and emotional behavior.
The cerebrum consists of two cerebral hemispheres. The left hemisphere controls the right half of the body. The right hemisphere controls the left half of the body. The two hemispheres are separated by a deep groove called the longitudinal fissure. Each hemisphere has a number of folds called gyri (JY-rye) separated by grooves called sulci (SUL-sye). A major landmark is the central sulcus.
The cerebrum has four major lobes. The frontal lobe is situated anterior to the central sulcus. It is associated mainly with voluntary motor functions, planning, motivation, emotion and social judgment.
Posterior to the central sulcus is the parietal lobe. This lobe is mainly concerned with sensory functions of the somatosensory category such as touch, stretch, movement, temperature and pain.
The temporal lobe is separated from the frontal and parietal lobes by the lateral sulcus. The temporal lobe is associated with hearing, learning, visual memory and language.
The occipital lobe is located at the rear of the cerebrum. This is the visual processing center of the brain.
At first glance, the two hemispheres look identical, but research has found a number of differences between them. This is called lateralization of brain function. For example, the language formation areas - the Wernicke’s (WUR-ni-keez) and Broca’s areas - are usually located in the left hemisphere of right-handed people. Lesions to these areas result in language comprehension deficits or speech disorders. The corresponding areas in the right hemisphere are responsible for emotional aspect of language. Lesions to these areas do not affect speech comprehension and formation, but result in emotionless speech and inability to understand the emotion behind the speech such as sarcasm or a joke.
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Super amazing explanation
The only organ which is studying itself
Facts
Right 👍❤
Nah, the mind studies the brain.
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I use YT videos on topics I learned in my textbook to actually hear the information since I am in online school. This video was easy to understand and the visuals helped me learn the areas of the brain 1000x faster than reading the textbook.
Thank you for a good resource, will likely use your channel when reviewing for an assignment.
that was beautiful. took 4 pages of my notes and out it into a four minute video. Outstanding
Hi
A great video! In 4:40 minutes - you get more than you get from an hour of these popular science shows; and without bullshit like those initial tag-lines like "the brain! We use it almost everyday; and don't even notice."
Lol
lmao the brain!
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Thanks!
Welcome! And thanks for the Super Thanks!
Thank you so much for this video it has really helped me to prepare for my anatomy and physiology exam. I have really understood the topic coz of this vedeo. Be blessed!
*Immensely thankful to you for making long story in a nutshell, keep up your good work God bless ❤️*
Great work! Love it and easy to follow and understand.
I'm in high school studying for the test it was helpful
Great views, educational and interesting! Thank you 👍❤😊
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Wonderful video.
Keep up the good work.
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Super. Now it's easy for me to study... Thank you so much
Brain waves are rhythmic patterns of electrical activity in the brain that are created when neurons send signals to other neurons. They can be measured using an electroencephalogram (EEG) test.
Here are some types of brain waves:
Alpha waves
Low-frequency brain waves that occur when someone is resting or not concentrating. They are associated with a relaxed, meditative, and creative state.
Beta waves
High-frequency brain waves that occur when someone is alert, focused, or excited. They help with logical thinking and stimulate the brain.
Delta waves
Slow, loud brain waves that occur during deep sleep. They can be affected by nutrition and can impact health.
Gamma waves
The fastest brain waves, with a frequency of around 35-100 Hz. They occur when someone is intensely focused or solving a problem.
Theta waves
Brain waves that occur in the 3 to 8 Hz range. They can occur during sleep, but are more dominant when someone is deeply relaxed or meditating.
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Super work
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So helpful...
Any chance you have quizzes based off this video so we can study and test ourselves corresponding to the video ?
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😢1 day ago
Mind-blowing video sir
Thankyou very much😌
Most welcome 😊
Nice....literally I need such animations🥺 thanku very much🙏❣️
Most welcome 😊
Thank you so such ❤
Thank you 🙏
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Thank you
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Fascinating
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Really expensive.. To me sir..too best.. explain..
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SO GOOD
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I m a teacher i got the right knowledge from this vedio thanks.
Magnificent
Yess
wow!
Please... make a video on Sympathetic and Parasympathetic Nervous system
Nice video. I like the way the speaker pauses to "swallow saliva" after saying "speech disorder" :o)
Frontal lobe
Parietal lobe
Temporal lobe
Occipital lobe
Prashant bhaiya
Me😂
Samee
Melissa brain is very smart accurate bless n cover from sin n evil attacks
I am studying to be a brain sergion
How’s it going?
Grate job
Good luck!
So much of Brain area yet no brain in many people. 😂😂
Nice Video
Evolution or design
Are the Wernicke's and Broca's areas located in the right hemisphere of left handed people?
Pls upload more video on neurology for MBBS
hos brain functions is impressive
Actually...... Great videos you are maded...... But l want a video a bout structure of nervous system
In general laterization of typical body physiology and doctors comprehension of nerves following parts of the body left and right handed I wanted to go to school but I probably would have tricked myself
Y’all talking bout notes? Homework? I’m just a guy who stays up late learning shit
Mashallah
excellent very helpfyl
Andross is that you ??
Yeh
On
khoi dao? like, albedo- khoi dao?
Is it true that if you can both use your right and left hand in your daily activity such as writting .. You have more sharper memory rather than to those who are only right or left handed?
useful
Do vids about autonmic drug, plz.
PAIN Pain everyday and every night !!🧠
Hahahaha
grade 3.
Oh .MG sungguh besar kejadian-Nya pada kita . syukur
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🚵
Very booring with the water mark.
Thanks A Lot
Actually...... Great videos you are maded...... But l want a video a bout structure of nervous system
Prashant bhaiya
Me bhi