The Human Brain
Explore the greatest scientific frontier — the human brain. Follow along as Zachary Grieb, a graduate student in the neuroscience program at Michigan State University, explains the anatomy of the brain, from the frontal lobe to the cerebellum and everything in between.
This video is a clip from the Brain Awareness Week Online webinar. Learn more about human and animal brain anatomy as well as three activities you can do at home or in class:
The Human Brain Science Discovery Documentary HD
Discovery Science Channel The Human Brain HD Documentary
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The Human Brain Documentary human brain documentary human brain structure and function human brain anatomy and physiology human brain project human brain and quantum physics human brain power human brain evolution in this video.
The human brain is the main organ of the human nervous system. It is located in the head, protected by the skull. It has the same general structure as the brains of other mammals, but with a more developed cerebral cortex. Large animals such as whales and elephants have larger brains in absolute terms, but when measured using a measure of relative brain size, which compensates for body size, the quotient for the human brain is almost twice as large as that of a bottlenose dolphin, and three times as large as that of a chimpanzee. Much of the size of the human brain comes from the cerebral cortex, especially the frontal lobes, which are associated with executive functions such as self-control, planning, reasoning, and abstract thought. The area of the cerebral cortex devoted to vision, the visual cortex, is also greatly enlarged in humans compared to other animals.
The human cerebral cortex is a thick layer of neural tissue that covers most of the brain. This layer is folded in a way that increases the amount of surface that can fit into the volume available. The pattern of folds is similar across individuals, although there are many small variations. The cortex is divided into four lobes – the frontal lobe, parietal lobe, temporal lobe, and occipital lobe. (Some classification systems also include a limbic lobe and treat the insular cortex as a lobe.) Within each lobe are numerous cortical areas, each associated with a particular function, including vision, motor control, and language. The left and right sides of the cortex are broadly similar in shape, and most cortical areas are replicated on both sides. Some areas, though, show strong lateralization, particularly areas that are involved in language. In most people, the left hemisphere is dominant for language, with the right hemisphere playing only a minor role. There are other functions, such as visual-spatial ability, for which the right hemisphere is usually dominant.
Despite being protected by the thick bones of the skull, suspended in cerebrospinal fluid, and isolated from the bloodstream by the blood–brain barrier, the human brain is susceptible to damage and disease. The most common forms of physical damage are closed head injuries such as a blow to the head, a stroke, or poisoning by a variety of chemicals which can act as neurotoxins, such as ethanol alcohol. Infection of the brain, though serious, is rare because of the biological barriers which protect it. The human brain is also susceptible to degenerative disorders, such as Parkinson's disease, and Alzheimer's disease, (mostly as the result of aging) and multiple sclerosis. A number of psychiatric conditions, such as schizophrenia and depression, are thought to be associated with brain dysfunctions, although the nature of these is not well understood. The brain can also be the site of brain tumors and these can be benign or malignant.
How the Brain Works Part 1 (UCLA)
These brief videos provide an introductory appreciation of how we learn skills and information, move, think, feel, speak and remember. They are brought to you by the UCLA Brain Research Institute and by Bruce H. Dobkin, MD, who directs the neurorehabilitation program in the Department of Neurology at UCLA. The videos especially aim to reach out to students in grade school to stir their interest, and to people with disabilities in walking, using an affected upper extremity, and loss of memory from neurological diseases such as stroke, brain trauma, tumors, multiple sclerosis, cerebral palsy, Parkinsons, and Alzheimers disease.
General organization of a real human brain.
The pathology of brain injuries and diseases. Rat versus human brain complexity. How do we reach for a ball? How do we walk?
How does practice enable us to learn and retain skills and information?
How can we drive the nervous system to adapt in ways that help restore lost skills after injury from disease? Can we reorganize the brains connections?
Allen Institute for Brain Science
The Allen Institute for Brain Science is an independent 512(c)(3) nonprofit medical research organization dedicated to accelerating the understanding of how the human brain works. Launched in 2003 with a generous seed contribution from philanthropist Paul G. Allen, the Institute tackles projects at the leading edge of science - far-reaching projects at the intersection of biology and technology - intended to fuel discovery for the broader scientific community worldwide.
Jack L. Gallant: 2012 Allen Institute for Brain Science Symposium
Functional magnetic resonance imaging (fMRI) detects the location of functions in the brain better than any other method we have today. While localization is necessary, it is not sufficient for understanding how the brain works. Dr. Gallant suggests the reverse approach - to search for functional maps. That is, he uses brain activity to determine or reconstruct what a subject was looking at. To this end the Gallant lab has constructed the WordNet model, which is able to predict what an observer is seeing from 2,000 nouns and verbs. The process uses brain activity in fMRI to predict from semantic models while an observer watches a video, and the results are remarkably accurate. Dr. Gallant explains how encoding models, decoding models, and functional maps of the brain are all closely related. Once you have encoding, you get decoding for free, he proclaims.
Human Brain & Its Parts Simple explaination in Hindi | Bhushan Science
Brain is organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating centre of the body.
Human Brain is divided into 3 main parts on the basis of their function and placements The 3 main parts of Human Brain are ; 1. Fore Brain 2. Mid Brain 3. Hind Brain
How Does the Brain Work? - Human Cognition | PSYCHOLOGY & BRAIN SCIENCE VIDEO
How Does the Brain Work? - Human Cognition | PSYCHOLOGY & BRAIN SCIENCE
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The Brain's Inner Workings - HUMAN COGNITION - National Institutes of Health - Video from the National Institute of Mental Health (NIMH) - this video narrated by Tom Bosley looks at the neurological basis of higher brain function. Learn how different human behaviors and functions can be isolated to specific areas of the brain, and how with the help of imaging techniques like MRI we can visualize brain activity in a way that gives insight into how the brain functions and allows scientists to develop treatment methods for various mental illnesses in the future. (The Brain's Inner Workings - Part 2: Cognition)
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Olaf Sporns: 2010 Allen Institute for Brain Science Symposium
Olaf Sporns, Indiana University Bloomington
The human brain: A complex network
2010 Allen Institute for Brain Science Symposium
Introduction: Neuroanatomy Video Lab - Brain Dissections
The regions and lobes of the brain are identified along with some of the nerves and vessels. The basic functions of the cortex of each lobe are introduced along with principal sulci and gyri. The importance of the left hemisphere for language and the temporal lobe in memory are mentioned along with the concept of cortical localization. A classical frontal section is used to demonstrate gray and white matter along with the primary internal structures.
Department of Pathology, School of Medicine, University of Utah
Derek Cowan & Suzanne Stensaas, PhD
Copyright 2015, Suzanne Stensaas, PhD, Department of Neurobiology and Anatomy, University of Utah
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The Remarkable Learning Abilities of the Human Brain
0:25 - Main Talk - Greg Ashby
Humans have multiple learning systems that for the most part are functionally and anatomically distinct, evolved at different times for different purposes, and that learn in qualitatively different ways. Greg Ashby studies how people learn new categories of objects. This research has allowed the mapping the neural networks and has identified many important and surprising differences in how we learn. Recorded on 07/10/2017. Series: GRIT Talks [Show ID: 32755]
Brain 101 | National Geographic
The brain constitutes only about 2 percent of the human body, yet it is responsible for all of the body's functions. Learn about the parts of the human brain, as well as its unique defenses, like the blood brain barrier.
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How Powerful is the Human Brain?
For the time being, the human brain is the most powerful supercomputer. How long will this last, before the machines take over? Comment below!
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ROBOT: By:cryanrautha from freesound.org
Relaxing by: bensound.com
CLARITY opens window to brain circuitry, new era for neuroscience By:
National Science Foundation
Quantum Computing: The Past, Present & Future By:
REAL SPIRIT DYNAMICS
Salk Institute - Louis Isadore Kahn
THE BLUE BRAIN PROJECT - A SWISS BRAIN INITIATIVE
The Human Brain: How We Decide
... The Human Brain: How We Decide.
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When Jonah Lehrer was in town to talk about his latest book, How We Decide, Calacademy snagged the opportunity to interview him for Science in Action.
He took the Visualization Studio through a tour of the brain as we make decisions whether in the cereal aisle or piloting a plane. Then the artists went to work, creating the brain visuals.
Jonah Lehrer is a Contributing Editor at Wired and the author of How We Decide and Proust Was a Neuroscientist. Lehrer graduated from Columbia University and studied at Oxford University as a Rhodes Scholar.
He has written for The New Yorker, Nature, Seed, The Washington Post and The Boston Globe. Lehrer is also a Contributing Editor at Scientific American Mind and National Public Radio's Radio Lab.
Since 1853, the California Academy of Sciences has been dedicated to exploring, explaining, and protecting the natural world. It is the only place in the world to combine an aquarium, natural history museum, and planetarium all under one living roof.
The Mind/Brain: Crash Course History of Science #30
Scientists in the nineteenth century discovered a lot about life and matter. But exactly what kind of stuff is the human brain? That one was—and is—tricky.
The brain sciences—with experiments and therapies tied to biological theories of the body—emerged in the nineteenth century and came into their own in the early twentieth.
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The Most Amazing Facts About The Human Brain
It is no wonder that people enjoy learning facts about this incredible organ in the human body.
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Jokes aside, if there is one thing we have in common with each other, it’s the fact that we all have a brain. Brains come in all shapes and sizes, and humans have been fortunate enough to be born with a brain that has a great capacity for thinking and coming up with some of the most brilliant ideas and concepts our age has ever known. People like Einstein was said to have used more of his brain capacity than others. And you have to wonder about the brains of such brilliant people such as Stephen Hawking and Neil deGrasse Tyson. Of course, brains can also be damage from injury, developmental issues, and drugs. What are the capabilities of the brain? What are some of the most amazing things that the brain can accomplish? Put on your seat belt and find out.
Our brains are comprised of 60% fat (making it the fattest organ in our body) and weighs about 3 pounds. With all of that electricity pulsating through our neurons, we’re glad that fat is in there. Speaking of neurons, the brain has over 100 billion and they can move at a speed of 270 miles per hour, all dedicated to sending information throughout our body. Any movement that you make with your body, the words you speak, and what you’re thinking, was all information sent through your neurons. This means that your brain is working as we speak.
Since our brain is like a “central control” for our bodies, it doesn’t have any pain receptors. This means that the brain can’t feel pain. You may have seen news reports of neurosurgeons who have performed brain surgery while their patient is still alive. It is a common practice, especially if the doctor is trying to fix a motor skill or basic function of the body and they need their patient awake through the process to test and check for success.
You’ve probably daydreamed or have gotten lost in your thoughts a few times in your life. It has been shown that the brain has over 70,000 thoughts per day. Some people can experience lack of sleep, depression, paranoia, and other types of stress. This is why the practice of meditation has become such a popular trend, as it can help calm the mind down and change. Just as our bodies can change from our lifestyles, the brain can change as well and adjust based on what you’re doing in your life. That’s where the saying, “Practice makes perfect” comes from. Also, thanks to mainstream media, people who possess psychic abilities have become extremely popular. But studies have shown that we all have psychic abilities one way or another. The brain naturally produces something called DMT, or “the spirit molecule” which causes the body to experience hallucinations and spiritual awakenings. DMT is usually released at birth, while sleeping (for our dreams), and death.
These are yet just a few of the amazing things that our brains can do. Which is essential that taking care of your brain is crucial for good mental health and physical health.
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Human Brain Facts for Kids | Structure and Function Video
Wow, the BRAIN! In this human brain facts video for kids learn the structure and function of this amazing organ of the body that controls most of the actions of your body and enables you to learn, think and even dream!! You will also learn about the nervous system, which is awesome!
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Human Brain Facts for Kids | Structure and Function Video
The Brain: Structure and Function
In this video Paul Andersen explains the structures and functions of seventeen major parts of the brain. He begins with a quick discussion of brain evolution and ends with a review of the major parts presented inside the brainstem, cerebellum, thalamus, and cerebrum.
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Title: String Theory
Artist: Herman Jolly
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Angelo.romano. SVG Drawing Representing a Number of Sports Icons: Ice Hockey, Athletcs, Basketball and Football (soccer), October 2, 2007. self-made with Inkscape, starting from a number of existing SVG drawings taken from the Wikimedia Commons (namely, Image:Basketball ball.svg, Image:Soccer ball.svg and vectorized versions of Image:Olympic pictogram Ice hockey.png and Image:Olympic pictogram Athletics.png.
Bradley, M M, and P J Lang. Measuring Emotion: The Self-Assessment Manikin and the Semantic Differential. Journal of Behavior Therapy and Experimental Psychiatry 25, no. 1 (March 1994): 49--59.
caustic, lunar. Approximately 6 Weeks from Conception, I.e. 8 Weeks from LMP. Shot with 105 Mm Micro-NIKKOR Lens with 2 off Camera SB-800's. Specimen Is Submerged in Alcohol. This Is a Spontaneous (ie. Not a Termination) Abortion. It Was Extruded Intact with the Gestational Sac Surrounded by Developing Placental Tissue and Decidual Tissue. This Was Carefully Opened to Avoid Damaging the Embryo., January 23, 2009. Embryo.
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Dobschütz, Sigismund von. Deutsch: Welpe, May 27, 2011. Own work.
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GerryShaw. English: Cortical Neuron Stained with Antibody to Neurofilament Subunit NF-L in Green. In Red Are Neuronal Stem Cells Stained with Antibody to Alpha-Internexin. Image Created Using Antibodies from EnCor Biotechnology Inc., February 4, 2000. Own work.
Government, U. S. The Seal of the President of the United States. The Blazon Is Defined in Executive Order 10860 As:, [object HTMLTableCellElement]. Extracted from PDF version of Federal Assistance for Impacted Communities guide, archived here, with some small cleanups.
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illustrator, Patrick J. Lynch, medical. Brain Human Sagittal Section, December 23, 2006. Patrick J. Lynch, medical illustrator.
Parts of the Brain-Human Brain Structure and Function
Parts of the Brain-Middle School Science
25 Facts about the lobes of the brain
Cerebrum Top part of the brain and the cerebrum is separated into four lobes.
Temporal,parietal,occipital, and the frontal
Cerebellum also called the little brain
Controls coordination, balance, and helps us talk and walk
Temporal Lobe Helps us process sounds, in other words, helps us hear. Also helps some with balance.
Parietal Lobe It is called the “association lobe” It communicates with other lobes.The parietal lobe is where information such as taste, temperature, and touch are integrated, or processed.
Occipital lobe This lobe is responsible for processing your vision
Frontal lobe Is responsible for executive function. This includes memory, impulse control, your emotions, planning, and organization.
The brain stem controls the flow of messages between the brain and the rest of the body, and it also controls basic body functions such as breathing,, heart rate, and blood pressure,
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Left brain/Right Brain
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Architects of the Mind: A Blueprint for the Human Brain
Is the human brain an elaborate organic computer? Since the time of the earliest electronic computers, some have imagined that with sufficiently robust memory, processing speed, and programming, a functioning human brain can be replicated in silicon. Others disagree, arguing that central to the workings of the brain are inherently non-computational processes. Do we differ from complex computer algorithms? Are there essential features of the physical make-up and workings of a brain that will prevent us from creating a machine that thinks? And if we should succeed in constructing a computer that claims to be sentient, how would we know if it really is?
This program is part of the Big Ideas Series, made possible with support from the John Templeton Foundation.
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Original Program Date: May 31, 2013
MODERATOR: Bill Weir
PARTICIPANTS: R. Douglas Fields, Kristen Harris, Murray Shanahan, Gregory Wheeler
Bill Weir's Introduction 00:07
Participant Introductions 1:08
What are the challenges of creating an artificial brain? 3:00
How does a neuron work? 6:55
A cruise through the brain. 10:29
How many laptops per neuron will it take to create a digital brain? 16:55
Axonal connections in the human brain. 21:32
Do humans have different brains? 27:42
Astroglia vs synapses 33:22
What kind of technology do we need to create a digital brain? 38:44
Building a robot that can utilize a digital brain. 44:44
How will a robot handle decision making? 54:15
Is there a philosophical awareness to neurons? 59:50
If we can build a digital brain, will it be aware? 1:02:30
AI and the risks.1:11:28
The million dollar challenge and it motivations. 1:17:42
How close do you need to model the brain to model the mind? 1:23:30
Evolution of the Human Brain
Why do we have such big brains? Paleoclimatologist Mark Maslin, Head of the Department of Geography at University College London, delves way back in history to see how natural past climate changes in Africa - from very dry to very wet - may have caused our distant ancestors to evolve a huge brain to deal with the new challenges ahead.
Filmed at Cheltenham Science Festival 2012. 3:15 pm -- 4:15 pm on Wednesday 13 June 2012.