what is a brain drain
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Brain Drain of Workers from Poor to Rich Countries Brain drain is the phenomena whereby nations lose skilled labor because there are better paid jobs elsewhere. In recent years, this has affected poorer countries more so, as some rich countries tempt workers away, and workers look to escape bleak situations in their poor home countries. This web page has the following sub-sections:
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The A to Z of Medical Terms Definition of Hydrocephalus ex-vacuo. Hydrocephalus ex-vacuo: What is termed hydrocephalus ex-vacuo occurs when there is damage to the brain caused by stroke or injury, and there may be an actual shrinkage of brain substance. Although there is more CSF than usual, the CSF pressure itself is normal in hydrocephalus ex-vacuo. Hydrocephalus is an abnormal buildup of cerebrospinal fluid (CSF) in the ventricles of the brain. The fluid is most often under increased pressure and that pressure can compress and damage the brain.
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- Brain stem death is where a person no longer has any activity in their brain stem, and has permanently lost the potential for consciousness and the capacity to breathe. This may happen even when a ventilator is keeping the person's heart beating and oxygen is circulating through their blood.
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Hydrocephalus Hydrocephalus is a condition in which there is an accumulation of cerebrospinal fluid (CSF) within the brain. This typically causes increased pressure inside the skull. Older people may have headaches, double vision, poor balance, urinary incontinence, personality changes, or mental impairment.
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- 1 Generally, the transfer of a large quantity of information from one person to another or to a storage and retrieval medium is referred to as a 'brain dump'. 2  In slang, it can describe a hurried explanation of a system, job, skillset, or other software engineering subject.
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Overview Hydrocephalus is the buildup of fluid in the cavities (ventricles) deep within the brain. The excess fluid increases the size of the ventricles and puts pressure on the brain. Cerebrospinal fluid normally flows through the ventricles and bathes the brain and spinal column.
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What is 'Brain Drain' Brain drains cause countries to lose valuable professionals. The term is usually used to describe the departure of doctors, scientists, engineers or financial professionals. When these people leave, their country is harmed in two ways. First, expertise is lost with each emigrant, diminishing the supply of that profession.
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- Any excess CSF usually drains away from the brain and is absorbed by the body. For people with hydrocephalus, this doesn't happen, and the fluid instead builds up in the ventricles. Too much cerebrospinal fluid puts a harmful amount of pressure on tissues in the brain - treatment is needed to release this pressure.
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What is a Brain Stem Stroke? Adorable animal families that will make you aww. A brain stem stroke is a stroke which originates in the brain stem. Because the brain stem handles many of the body's basic life support functions, such as breathing and heart rate, a brain stem stroke can be fatal.
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What is a Brain Abscess? A brain abscess is an encapsulated area of dead cells, pus, infected tissue, and other material caused by the presence of an infection in the brain. The abscess causes intercranial pressure to rise, putting pressure on the brain and leading to very severe complications.
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- Hydrocephalus is a condition that occurs when fluid builds up in the skull and causes the brain to swell. Brain damage can occur as a result of the fluid buildup. This can lead to developmental, physical, and intellectual impairments. It requires treatment to prevent serious complications.
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- A patient is brain dead when all brain and brain stem functions cease and they cannot breath on their own. Once the patient is declared brain dead, the person is legally dead. A brain dead person can be maintained on a breathing machine that provides oxygen to their heart and other organs. Despite declaration of death, the organs can be kept healthy for organ donation by providing them blood supply and oxygen. All donors in New York and the U.S. are either brain dead or dead by cessation of a heart beat before they are eligible to donate organs.
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Hydrocephalus Water on the brain. Hydrocephalus is due to a problem with the flow of the fluid that surrounds the brain. This fluid is called the cerebrospinal fluid, or CSF. It surrounds the brain and spinal cord, and helps cushion the brain. CSF normally moves through the brain and the spinal cord, and is soaked into the bloodstream.
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Spina Bifida 1 Having some fluid around the brain is normal and healthy, but in spina bifida the fluid often cannot drain naturally. 2  Without treatment, this extra fluid can cause neurological problems or mental retardation; however, these individuals are of normal intelligence if their hydrocephalus is treated aggressively.
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Cerebral shunt Cerebral shunts are commonly used to treat hydrocephalus, the swelling of the brain due to excess buildup of cerebrospinal fluid (CSF).
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Overview The devices allow excess cerebrospinal fluid to drain to another area of the body. A shunt usually consists of two catheters and a one-way valve. The valve regulates the amount, flow direction, and pressure of cerebrospinal fluid out of the brain’s ventricles.
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Cerebrospinal Fluid Leak Cerebrospinal Fluid (CSF) Leak. Cerebrospinal fluid (CSF) leak is a condition that occurs when there is a tear or hole in the membranes surrounding the brain or spinal cord, allowing the clear fluid that surrounds and cushions those organs to escape.
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Isolated brain The human brain with its lobes highlighted. An isolated brain is a brain kept alive in vitro, either by perfusion by a blood substitute, often an oxygenated solution of various salts, or by submerging the brain in oxygenated artificial cerebrospinal fluid (CSF). It is the biological counterpart of brain in a vat.
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- A brain abscess is an infection in the brain that is encapsulated (confined within its own area) and localized to one or more areas inside of the brain.
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What is a Brain Abscess? A brain abscess is an encapsulated area of dead cells, pus, infected tissue, and other material caused by the presence of an infection in the brain.
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Publication 501 - Main Content If you are a nonresident alien who is married to a U.S. citizen or resident alien at the end of the year, you can choose to be treated as a U.S. resident. (See Pub. 519, U.S. Tax Guide for Aliens.) If you make this choice, you can take the standard deduction.
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- Brain drain is still an issue in some Atlantic provinces such as New Brunswick, where a relative lack of jobs results in some of the highly educated moving to other provinces such as Ontario, Alberta, or British Columbia. Brain gain also occurs here, however, through immigration.
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Definition of Brain Drain Effects of Brain Drain on the Home Country. When brain drain is prevalent in a developing country, there may be some negative repercussions that can affect the economy. Brain drain is usually described as a problem that needs to be solved. However, there are benefits that can be derived from the phenomena.
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- Cerebrospinal Fluid. Cerebrospinal fluid, also called CSF,is a clear fluid that surrounds the spinal cord and brain. The flow of CSF is essential to the cushioning, protection and support of the brain. It is also essential for the removal of waste products from the brain.
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- When this fluid leaks from the brain or spinal cord, it is called a cerebrospinal fluid leak, or CSF leak. When the fluid leaks, the pressure around the brain and spinal cord drops. If you have a cerebrospinal fluid leak, the clear fluid may drain from your nose or ear(s). The most common symptom is a headache that improves when you lie down and worsens when you sit up. The headache may be accompanied by nausea, light sensitivity, and a stiff neck.
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- What is a CSF leak? Cerebral spinal fluid leak results when the fluid around the brain (called cerebral spinal fluid) leaks through a hole through the skull bone. This fluid can either drain from the ear or the nose, depending on where the skull bone is damaged.