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An acquired brain injury can affect every part of life. See what compensation may be available.






Brain injuries can be difficult to diagnose, and the distinction between an acquired brain injury (ABI) and a traumatic brain injury (TBI) can affect treatment, recovery, and long-term care. If your injury was caused by negligence, getting legal guidance early can help protect your rights and preserve important evidence.
For more than 46 years, the Brain Injury Law Center has focused exclusively on representing brain injury survivors and their families. With over $1 billion recovered in settlements and verdicts, our firm has the experience and resources to handle complex brain injury claims and pursue the compensation our clients need for medical care, lost income, and future support.
To speak with an experienced brain injury attorney about your acquired brain injury claim, call (757) 244-7000 or contact us online for a free consultation.
“When the doctors explained that I had some slight but significant brain damage, my wife called the Brain Injury Law Center. Not only did he [Stephen Smith] pick up the phone, the number we called went directly to his cell phone.
From that moment on, we knew we called the right guy. His professionalism and order-of-procedure ended up making the difference in court and ultimately making the difference in my quality of life moving forward.
Stephen M. Smith and the Brain Injury Law Center were the only lawyers educated and sophisticated enough to try my case. I have no idea where I’d be today without them.”
— Tommy B., Client
An acquired brain injury (ABI) is any damage to the brain that occurs after birth and affects a person’s cognitive, physical, emotional, or behavioral functioning. Unlike congenital brain injuries, which are present at birth, acquired brain injuries develop as a result of trauma, medical conditions, or other external or internal events that disrupt normal brain function.
The term “acquired brain injury” is broad and includes both traumatic and non-traumatic injuries. This means an ABI may result from a sudden external force, such as a car accident or fall, or from internal medical events such as a stroke, lack of oxygen, infection, tumor, or toxic exposure.
The severity of an acquired brain injury can range from mild to catastrophic. Some people experience temporary symptoms and recover fully with treatment, while others suffer permanent impairments that affect memory, mobility, communication, emotional regulation, and independent living.
Because the brain controls nearly every function of the body, even a relatively localized injury can have widespread effects. Common areas impacted by ABI include:
Early diagnosis and treatment are often critical to minimizing long-term damage and improving recovery outcomes. However, because symptoms of an acquired brain injury are not always immediately obvious, some cases may go undiagnosed or misdiagnosed, delaying necessary care.
Understanding what qualifies as an acquired brain injury is the first step in recognizing the differences between ABI and traumatic brain injury (TBI), and in determining the proper course of treatment and legal action when negligence is involved.
Here are the general definitions for ABIs vs. TBIs:
Some acquired brain injuries may result from traumatic brain injuries, such as a stroke that results after a blow to the head. A lawyer who handles your injury case may bring in medical experts to prove a cause-and-effect line between the initial injury and the full damages you’ve suffered. Likewise, other forms of negligence could cause or worsen your condition, such as medical malpractice or misdiagnosis of your injury.
The key difference between these two injuries is that TBIs are specifically from physical trauma, while ABIs encompass a wider range of potential causes.
Traumatic brain injuries may be more quickly discovered because the inciting event — a vehicle crash or fall, for example — often leads to a medical evaluation. The onset of ABIs may be slower and more subtle due to their invisible, internal causes.
Diagnostic failures in the context of TBI vs. ABI may cause you additional harm due to medical malpractice. Here's a breakdown of what it means for each:
Overlapping symptoms could cause a critical failure in care. There is a danger that a TBI from a car or bike accident could mask the symptoms of an underlying ABI due to another cause, such as a tumor or stroke.
Some symptoms of ABIs, such as cognitive impairments or behavioral changes, may overlap with symptoms of other neurological or psychiatric disorders, leading to diagnostic confusion.
Your medical team has a responsibility to conduct a thorough evaluation of your health if they suspect or have confirmation of a brain injury. A failure to accurately account for the difference between an ABI vs. a TBI could mean you have grounds to sue for negligence. Filing a lawsuit helps injured patients secure the funds necessary for proper treatment and recovery.
The vast majority of those who suffer from ABI require some kind of medical treatment. ABI treatment and rehabilitation generally has two goals with regard to the patient: to maximize cognitive functioning and to improve overall quality of life.
Treatment and rehabilitation for acquired brain injury victims depends on various factors including the type of injury and its severity as well as patient health and family/community support.
ABI treatment and rehabilitation programs are individualized based on a thorough assessment of these factors, but may include any of the following:
If you or someone you love is suffering from an acquired brain injury caused by someone else’s negligence, you may have the right to pursue compensation for medical expenses, lost income, pain and suffering, and future care needs.
Contact a brain injury lawyer today at (757) 244-7000 for a free case evaluation to learn more about your legal options.
In some severe cases of acquired brain injury (ABI), also referred to as traumatic brain injury (TBI), patients may lapse into a coma. A coma is an altered state of consciousness in which a patient is either completely unconscious and does not respond to any amount of stimulation or has a reduced consciousness and responds only to certain stimuli.
The depth and time a patient is comatose depends on the location and seriousness of the acquired brain injury. While some patients wake up and fully recover from a coma, many will suffer significant life-long disabilities.
In emergency and intensive care settings, the depth or severity of a coma is typically measured on the Glasgow coma scale (GCS), which evaluates eye, verbal, and motor responses on a scale from three to 15. A lower score indicates a lower level of consciousness and awareness.
In ABI treatment and rehabilitation settings, a coma is measured on a different scale, called the Rancho Los Amigos Levels of Cognitive Functioning Scale, that is used to determine the patient’s response level and ability to function. This scale is based on the patient’s reaction to his/her environment and outside stimuli and measures this reaction according to the following eight levels:
The effects of an acquired brain injury can vary significantly depending on the location and severity of the injury. Some symptoms may appear immediately after the injury, while others may take days or even weeks to develop. In mild cases, symptoms may improve with proper treatment and rest.
However, moderate to severe brain injuries often create long-term complications that affect nearly every aspect of a person’s life.
Common mild symptoms of acquired brain injury include:
More serious consequences of acquired brain injury may include:
Recovery from an acquired brain injury is often a long and difficult process. Many victims require extensive rehabilitation, including physical therapy, speech therapy, occupational therapy, and cognitive therapy. Even with treatment, some individuals never fully recover and may face permanent disabilities.
The financial costs associated with treating an acquired brain injury can be substantial. Medical care may involve emergency treatment, surgery, hospitalization, rehabilitation, prescription medications, assistive devices, and long-term care. In many cases, victims are unable to work during recovery or may lose their ability to return to their previous occupation altogether.
Beyond the financial burden, acquired brain injuries can place significant emotional stress on both victims and their families. Loved ones often take on caregiving responsibilities while coping with the uncertainty of recovery and major changes in the victim’s personality, behavior, and abilities. In severe cases, acquired brain injuries can result in permanent disability or death.
When an acquired brain injury is caused by negligence, the injured person may be entitled to financial compensation for both economic and non-economic damages. Because brain injuries often involve long-term or permanent impairments, the value of a claim may be substantial.
Compensation in an acquired brain injury claim may include:
In cases involving extreme negligence or misconduct, additional damages may also be available. Every acquired brain injury case is different, and the amount of compensation depends on the severity of the injury, the cost of treatment, and the long-term impact on the victim’s life.
Filing an acquired brain injury claim begins with identifying the cause of the injury and determining whether negligence played a role. This may involve reviewing medical records, accident reports, witness statements, and expert evaluations.
The general steps in filing an acquired brain injury claim include:
Acquired brain injury claims are often medically and legally complex. Unlike many other injuries, the full impact of an ABI may not be immediately apparent, and proving the long-term consequences often requires extensive medical documentation and expert analysis.
Insurance companies may dispute the severity of the injury, argue that symptoms stem from another condition, or minimize the cost of future care.
A brain injury attorney can help by:
Strong legal representation can have a meaningful impact on the outcome of an acquired brain injury claim, particularly when the injury involves extensive medical treatment, rehabilitation, or permanent limitations.
Data on personal injury claims shows that people who work with an attorney are more likely to recover compensation than those who handle claims on their own. An attorney can also help identify the full extent of damages, including future medical expenses, lost income, and long-term care needs, so important losses are not overlooked in settlement negotiations or litigation.
"The Brain Injury Law Center is the only law firm in the United States dedicated exclusively to representing brain injury victims, survivors and their families. I have dedicated both my personal and professional life to helping brain injury survivors and their families and other victims of catastrophic events."
— Stephen M. Smith, Founder of the Brain Injury Law Center


Yes. An acquired brain injury can affect parts of the brain responsible for emotional regulation, impulse control, and social behavior. As a result, some people experience personality changes such as irritability, aggression, mood swings, depression, anxiety, or social withdrawal. These changes can be temporary or permanent depending on the severity and location of the injury.
Yes. Many acquired brain injuries occur without any loss of consciousness. A person may remain awake and alert while still suffering serious brain damage from internal bleeding, oxygen deprivation, infection, or other neurological events. This is one reason acquired brain injuries can be overlooked or diagnosed late.
Liability depends on how the injury occurred. Potentially responsible parties may include negligent drivers, property owners, employers, healthcare providers, product manufacturers, or other individuals or entities whose actions caused or contributed to the injury. Determining liability often requires a detailed investigation into the underlying event and surrounding circumstances.
If an acquired brain injury leaves a person unable to make legal or financial decisions, a family member, guardian, or legal representative may be able to act on their behalf. This can include pursuing a personal injury claim, making healthcare decisions, or managing financial matters. An attorney can help families understand what legal options may be available based on the circumstances.
Suffering brain injury is serious and can be life-changing. The attorneys at the Brain Injury Law Center have helped numerous clients with proving their cases successfully.
Here are just a few of our notable recoveries:
Summary: A woman suffered a brain injury in a motorcycle accident caused by a defective tire tube. Both the motorcycle dealer and the tire manufacturer agreed to settle.
Summary: This case involved a man who suffered a mild traumatic brain injury during a fall.
Summary: A jury reached a verdict of more than $10.22 million in a case brought against Werner Transportation on behalf of a woman who suffered a mild traumatic brain injury in a crash. This was believed to be the largest-ever personal injury verdict in Norfolk, VA.
If there is potential compensation available that could ease your financial burden and aid in your recovery, you need to seek it.
Contact the Brain Injury Law Center today at (757) 244-7000 or by using the form on this page for a free, no-obligation consultation to discuss your case.
