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Topic: World Brain



  
 Brain - Wikipedia, the free encyclopedia
The brain is the source of cognition, emotion, memory, and motor, and other forms of learning, and it controls and coordinates most sensory systems, movement, behavior, but it also controls homeostatic body functions such as heart rate, blood pressure, fluid balance, and body temperature.
A distinction is often made in the philosophy of mind between the mind and the brain, and there is some controversy as to their exact relationship, leading to the mind-body problem.
The brain is defined as the physical, biological matter contained within the skull, responsible for all electrochemical neuronal processes.
http://en.wikipedia.org/wiki/Brain   (3705 words)

  
 Human brain - Wikipedia, the free encyclopedia
The brain is now thought to be the organ responsible for the phenomena of consciousness, thought, and emotion.
Recently the brain was used in bionics by several groups of researchers.
Further, the molecular and cell biological examination of brain pathology is hindered by the scarcity of appropriate samples for study, the (usual) inability to biopsy the brain from a living person suffering from a malady, and an incomplete description of the brain's microanatomy.
http://en.wikipedia.org/wiki/Human_brain   (2896 words)

  
 Brain Basics: Know Your Brain: National Institute of Neurological Disorders and Stroke (NINDS)
Scientists have learned more about the brain in the last 10 years than in all previous centuries because of the accelerating pace of research in neurological and behavioral science and the development of new research techniques.
Deep within the brain, hidden from view, lie structures that are the gatekeepers between the spinal cord and the cerebral hemispheres.
The brain is the most complex part of the human body.
http://www.ninds.nih.gov/disorders/brain_basics/know_your_brain.htm   (2092 words)

  
 Brain and Nervous System
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.
The left side of the brain controls the movements of the right side of the body, and the right side of the brain controls the movements of the left side of the body.
And it is. The brain not only controls what you think and feel, how you learn and remember, and the way you move and talk, but also many things you're less aware of - such as the beating of your heart, the digestion of your food, and yes, even the amount of stress you feel.
http://kidshealth.org/parent/general/body_basics/brain_nervous_system.html   (2635 words)

  
 Health Information - Yale Medical Group
Cancer of the brain or spinal cord account for approximately 1.3 percent of all cancers and 2.2 percent of all cancer-related deaths.
Metastatic brain tumors may be quite aggressive and may return even after surgery, radiation therapy, and chemotherapy.
This tumor is rapidly growing and often blocks drainage of the CSF (cerebral spinal fluid, which bathes the brain and spinal cord), causing symptoms associated with increased ICP.
http://ymghealthinfo.org/content.asp?pageid=P07146   (3023 words)

  
 The Brain Is the Boss
The cerebrum is the thinking part of the brain and it controls your voluntary muscles- the ones that move when you want them to.
Part of the brain stem's job is to control your involuntary muscles- the ones that work automatically, without you even thinking about it.
Eventually, the brain starts to create connections (or pathways) between the neurons, so things become easier and you can do them better and better.
http://www.kidshealth.org/kid/body/brain_noSW.html   (1296 words)

  
 Brain Tumor (Brain Cancer) - symptoms and treatments by MedicineNet.com
The brain stem connects the brain with the spinal cord.
Spinal nerves connect the brain with the nerves in most parts of the body.
It runs down from the brain through a canal in the center of the bones of the spine.
http://www.medicinenet.com/brain_tumor/article.htm   (900 words)

  
 Newton's Apple: Teacher's Guides
Located at the base of the brain is the brain stem, a stalklike structure that connects it to the spinal cord.
Using a cell-staining substance called silver salts, he was able to observe and draw the intricate patterns of neurons in the brain and spinal cord.
The brain stem takes care of basic, involuntary functions, such as breathing, blinking, and keeping your intestines churning.
http://www.ktca.org/newtons/12/brain.html   (1146 words)

  
 BBC Science & Nature - Human Body and Mind - Organ Layer
This allows your brain to monitor and regulate unconscious body processes, such as digestion and breathing and to coordinate most voluntary movements of your body.
Your brain is arguably your most important organ, but it is made of soft delicate tissue that would be injured by even the slightest pressure.
Your brain stem is responsible for regulating many life support mechanisms, such as your heart rate, blood pressure, digestion and breathing.
http://www.bbc.co.uk/science/humanbody/body/factfiles/brain/brain.shtml   (608 words)

  
 Brain
The CNS consists of the brain, spinal cord, and the optic nerves.
If someone has cerebral palsy it means that because of an injury to their brain (that's the cerebral part) they are not able to use some of the muscles in their body in the normal way (that's the palsy part).
A brain is the master control for the body; it monitors and regulates the body's actions and reactions.
http://www.42explore.com/brain.htm   (2349 words)

  
 Handedness and Brain Lateralization
This association between hand and brain captured the imaginations of researchers because it would be so useful (so easy, so non-invasive, so cheap) to study patterns of brain asymmetries by using a person's handedness as a marker for brain lateralization (direct methods involve neurosurgery, invasive drug testing, or expensive imaging techniques).
The term brain lateralization refers to the fact that the two halves of the human brain are not exactly alike.
Clarifying the relationship between handedness and functional brain specializations, and learning more about the developmental and neurobiological mechanisms that underlie these relationships, may help us better understand a wide range of seemingly unrelated issues such as dyslexia, stuttering, human variation, comparative brain research, developmental neurobiology of the brain, and the origins of human language.
http://www.indiana.edu/~primate/brain.html   (816 words)

  
 Brain Explorer - Brain Atlas - Introduction
Brainstem – found at the base of the brain, it forms the link between the cerebral cortex, white matter and the spinal cord.
The outer layer of the brain is known as the cerebral cortex
The brain and the different areas of the brain can be illustrated using images of the brain in different orientations or ‘sections’.
http://www.brainexplorer.org/brain_atlas/Brainatlas_index.shtml   (1124 words)

  
 Howstuffworks "How Your Brain Works"
With this general overview of the brain, you will be able to understand concepts such as motor control, visual processing, auditory processing, sensation, learning, memory and emotions, which we will cover in detail in future articles.
Your brain, spinal cord and peripheral nerves make up a complex, integrated information-processing and control system.
In this article, we will examine the structures of the brain and what each one does.
http://science.howstuffworks.com/brain.htm   (243 words)

  
 Explore the Brain - EnchantedLearning.com
The brain is connected to the spinal cord, which runs from the neck to the hip area.
Although the brain is only 2% of the body's weight, it uses 20% of the oxygen supply and gets 20% of the blood flow.
CSF cushions the brain and spinal cord from jolts.
http://www.enchantedlearning.com/subjects/anatomy/brain/index.shtml   (477 words)

  
 Headway: Home Page
BRAIN STEM: The lower extension of the brain where it connects to the spinal cord.
APATHY: A direct result of brain injury to frontal lobe structures which concern emotion, motivation and forward planning.
CONTRA COUP: Bruising of the brain tissue in the side opposite to where the blow was struck.
http://www.headway.org.uk/default.asp?step=4&pid=97   (1744 words)

  
 ScienceDaily: Mind & Brain News
Limbic system-- The limbic system is the collective name for structures in the human brain involved in emotion, motivation, and emotional association with memory.
Generally, it refers to involvement of large parts of the brain (or the whole organ), instead of identifiable changes...
Brain Communicates In Analog And Digital Modes Simultaneously (April 13, 2006)-- Contrary to popular belief, brain cells use a mix of analog and digital coding at the same time to communicate efficiently, according to a study by Yale School of Medicine researchers published this...
http://www.sciencedaily.com/news/mind_brain.htm   (1315 words)

  
 New Scientist Breaking News - World's first brain prosthesis revealed
The world's first brain prosthesis - an artificial hippocampus - is about to be tested in California.
The hippocampus is the most ordered and structured part of the brain, and one of the most studied.
The prosthesis will first be tested on tissue from rats' brains, and then on live animals.
http://www.newscientist.com/article.ns?id=dn3488   (932 words)

  
 Your Gross and Cool Body - The Human Brain
But human brains are larger and heavier in comparison to the human body, than any other animal.
Underneath your scalp, sits a brain that, as it has grown, has continued to fold in on itself and develop deeper and deeper folds and crags.
Your eyes may take in light and an image may be projected onto the pupil, but it's your brain that interprets what you see...you get the picture.
http://yucky.kids.discovery.com/noflash/body/pg000135.html   (351 words)

  
 Brain Mart's Novelty Gift Products
The Lateral Brain is a 1.5" stamp that depicts the lateral perspective of the brain with sulci, gyri, cerebellum and medulla/spinal cord.
Functional areas of the brain can be illustrated by the same technique.
This is great around Halloween or when someone you know gets a degree related to the brain sciences (or finishes a neuro rotation, passes the boards, comps, survives brain surgery, etc.).
http://www.brain-mart.com/brain_novelties.html   (1508 words)

  
 CT Scanning of the Head (Computed Tomography or CAT Scan)
Planning radiation therapy for cancer of the brain or other tissues.
Guiding the passage of a needle used to obtain a tissue sample (biopsy) from the brain.
In CT of the head, numerous x-ray beams are passed through the skull and brain at different angles, and special sensors measure the amount of radiation absorbed by different tissues (and lesions such as a bleeding tumor).
http://www.radiologyinfo.org/content/ct_of_the_head.htm   (1601 words)

  
 brain
This is a component of the brain's limbic system that is crucial for learning, memory, and the integration of sensory experiences with emotions and motivations."
The Whole Brain Atlas, published by Harvard Med offers the non pareil "Introduction to Neuroimaging" and presents the "Top 100 Brain Structures" plus many images of Cerebrovascular Disease, Neoplastic Disease, etc.
and that becoming something different means changing the brain?" Interactive exhibits on such topics as "Pattern Detection and Serendipity" and "Competition and Cooperation" engagingly address the question.
http://www.lifeloom.com/brain.htm   (561 words)

  
 Brain Anatomy
Front part of the brain; involved in planning, organizing, problem solving, selective attention, personality and a variety of "higher cognitive functions" including behavior and emotions.
The brainstem is the pathway for all fiber tracts passing up and down from peripheral nerves and spinal cord to the highest parts of the brain.
The lower extension of the brain where it connects to the spinal cord.
http://www.waiting.com/brainanatomy.html   (520 words)

  
 Neuropsychology, Brain, and Brain Injury Resources
Each brain's unique structure weaves an intricate web of behavior, knowledge, ideas, attitudes, personality, and emotions.
To provide resources for the exploration of scientific knowledge, discoveries, and theories about the human brain and broad categories of neuropsychology--brain-behavior relationships and brain functions.
The book provides insights for managing the cognitive and emotional consequences of brain injury.
http://www.brainsource.com   (383 words)

  
 BrainConnection: The Brain and Learning
Brain Tour: images and diagrams illustrating the anatomy and physiology of the central nervous system &; perfect for class.
One of the best in this genre is Dr. John Ratey's new book, A User's Guide to the Brain.
We all know that stimulating environments are enjoyable for infants, but do they really affect brain development?
http://www.brainconnection.com   (717 words)

  
 MedlinePlus Medical Encyclopedia: Brain tumor - children
The cause of primary brain tumors is unknown.
Brain tumors are classified depending on the exact site of the tumor, the type of tissue involved, benign or malignant tendencies of the tumor, and other factors.
Most brain tumors increase pressure within the skull and compress brain tissue because of their size and weight.
http://www.nlm.nih.gov/medlineplus/ency/article/000768.htm   (1183 words)

  
 Brain - encyclopedia article about Brain.
The brain, along with the heart, is one of the two most important organs in the human body.
The brains of craniates develop from the anterior section of a single dorsal nerve cord The neural tube is the embryonal structure that gives rise to the brain and spinal cord.
In craniates, the brain is protected by the bones of the skull skull, or cranium, is a bony structure of vertebrates which serves as the general framework for a head.
http://encyclopedia.thefreedictionary.com/brain   (4662 words)

  
 Human brain - Wikipedia, the free encyclopedia
The brain is now thought to be the organ responsible for the phenomena of consciousness and thought.
Finally, and perhaps most significantly, the human brain appears hard-wired with certain abilities, such as the ability to learn language, to interact with experienced and not chosen emotions, and usually develops within a culture.
Further, the molecular and cell biological examination of brain pathology is hindered by the scarcity of appropriate samples for study, the (usual) inability to biopsy the brain from a living person suffering from a malady, and an incomplete description of the brain's microanatomy.
http://en.wikipedia.org/wiki/Human_brain   (3148 words)

  
 Brain Haemorrhage
Haemorrhages (bleeding) within the brain can be related to high blood pressure (hypertension) blood thinning (anticoagulant) medicines and some types of stroke.
The various other types of brain haemorrhage may also sometimes need neurosurgical intervention in order to evacuate large blood clots which may be pressing on the surrounding brain.
This broad term emcompasses a whole variety of problems, some of which can be successfully treated by neurosurgery.
http://www.neurosurgeon.co.uk/pages/con7.htm   (3148 words)

  
 Human brain - Wikipedia, the free encyclopedia
The brain is now thought to be the organ responsible for the phenomena of consciousness, thought, and emotion.
Recently the brain was used in bionics by several groups of researchers.
Further, the molecular and cell biological examination of brain pathology is hindered by the scarcity of appropriate samples for study, the (usual) inability to biopsy the brain from a living person suffering from a malady, and an incomplete description of the brain's microanatomy.
http://en.wikipedia.org/wiki/Human_brain   (2896 words)

  
 Cerebrovascular accident article - Cerebrovascular accident stroke (disambiguation) blood brain blood vessel cerebral aneurysm - What-Means.com
A stroke or cerebrovascular accident (CVA) occurs when the blood supply to a part of the brain is suddenly interrupted by occlusion (an ischemic stroke) or by hemorrhage (a hemorrhagic stroke).
Scientists are working to develop new and better ways to help the brain repair itself and restore important functions to the stroke patients.
Some brain damage that results from stroke may be secondary to the initial death of brain cells caused by the lack of blood flow to the brain tissue.
http://www.what-means.com/encyclopedia/Cerebral_hemorrhage   (887 words)

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