![]() In both cases, most patients make a good recovery, although even in mild brain injury 15% of people will have persistent problems after one year. In a moderate brain injury, symptoms can last longer and be more pronounced. It causes headaches, confusion, memory problems, and nausea. The severity of brain damage can vary with the type of brain injury. This is called diffuse axonal injury or DAI. For example, both sides of the brain are damaged and the nerves are stretched throughout the brain. Closed head injuries frequently cause diffuse brain damage, which means damage to several areas of the brain. In other words, the damage is confined to a small area. Some brain injuries cause focal - or localized - brain damage, such as the damage caused when a bullet enters the brain. It is not included, though, within the standard definition of brain damage or traumatic brain injury. There is a kind of brain damage that results from genetics or birth trauma. Sometimes, the two terms are used interchangeably. Or it could result from neurological illness, as in the case of a stroke.īoth traumatic brain injury and acquired brain injury occur after birth. It is most often associated with pressure on the brain. Acquired Brain Injury (ABI) occurs at the cellular level.Traumatic Brain Injury (TBI) is caused by an external force - such as a blow to the head - that causes the brain to move inside the skull or damages the skull.Both disrupt the brain’s normal functioning. There are two types of brain injury: traumatic brain injury and acquired brain injury. But head injury is not necessarily brain injury. What Are the Types of Brain Damage and How Severe Are They?Īll traumatic brain injuries are head injuries. Approximately 130,000 Americans die of stroke each year, according to the National Stroke Association. ![]() About 52,000 die as a result of traumatic brain injury, and more than 5 million Americans who've suffered traumatic brain injury require assistance in performing daily activities. ![]() In the U.S., every year, about 2.6 million people have some type of brain injury - whether as a result of trauma, stroke, tumor, or other illnesses, according to the Brain Injury Association of America. Brain damage is an injury that causes the destruction or deterioration of brain cells.
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