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Brain Injuries Information Center

Frequently Asked Questions about Brain Injuries

Q: How do you prove the existence of a brain injury?

A: There are several ways in which medical and psychological professionals diagnose brain injuries. The method will depend on the nature and extent of the injury. Some examples of diagnostic tools are MRIs, CT scans, PET scans and EEGs. In addition, professionals may study a person's behaviors, movements and personality.

Q: What disabilities are associated with a brain injury?

A: There are a wide range of possible effects of a brain injury depending on the location and severity of the injury. For example, a person may have altered muscle coordination, altered sensation, memory problems or even major personality changes.

Q: What are common symptoms of concussion?

A: The common early symptoms of concussion are headache, vertigo, nausea and dizziness. Common later symptoms are anxiety, depression, chronic headaches, poor sleep, personality changes, depression and intolerance to loud noises or bright lights.

Q: What is a closed head injury?

A: A closed head injury is damage to the brain as a result of external force to the head that does not penetrate the skull.

Q: What are the main parts of the brain and their respective functions?

A: The main parts of the brain are the cerebrum, cerebellum, brain stem and diencephalon. The cerebrum is the largest section of the brain. Different parts of the cerebrum are related to the control of cognitive abilities, memory, motor function, learning and speech. The cerebellum is a part of the hindbrain. It coordinates voluntary and involuntary muscle movements. The brain stem is the lower extension of the brain. It acts as a relay station between incoming stimulus and the rest of the brain. The diencephalon is made up of the thalamus, which relays sensory stimuli, and the hypothalamus, which controls appetite, body temperature, pituitary secretions, emotions and sleep cycles.

Q: What happens if the brain loses its blood and oxygen supply?

A: Brain cells die when the brain is deprived of blood and oxygen. This can cause major brain injury. The brain may lose blood and oxygen supplies as a result of a near drowning, choking, heart-stopping electrical shock or respiratory problems. When the brain is deprived of oxygen, it is known as an anoxic brain injury. This type of injury is different from a traumatic brain injury (TBI), which generally results in swelling or bruising of the brain.

Q: What are possible effects of a severe brain injury?

A: Depending on the location and severity of the injury, there may be physical and/or behavioral effects. A severe head injury may affect a person's ability to work, learn and live with his or her family. Possible physical effects include difficulty with mobility and coordination, difficulty talking and communicating, severe headaches and difficulty with sensation. Possible behavioral effects include personality changes, depression, short attention span, learning difficulties and memory difficulties.

Q: What is brain swelling and what causes it?

A: Brain swelling and bruising may occur following a violent force to the skull. The brain will "bounce" off the inside of the skull. This can cause nerve shearing as well as the swelling and bruising of nerve tissue. The swelling can create pressure inside of the head, which may in turn lead to compression of vital blood vessels.

Q: What kind of compensation is possible in a legal claim for a brain injury?

A: The compensation depends on the state, the injury and the severity and extent of the permanent effects. Medical costs, pain and suffering, loss of enjoyment of life, loss of earnings, mental anguish, rehabilitation costs and future medical expenses may be possible.

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DISCLAIMER: This site and any information contained herein are intended for informational purposes only and should not be construed as legal advice. Seek competent legal counsel for advice on any legal matter.

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