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You walked away from the crash thinking you were fine. By that evening, your head was pounding, the light in the room felt wrong, and you could not remember exactly how the collision happened, even though you were there. Over the next few days, the headaches did not fade, concentrating felt like pushing through fog, and the irritability you could not explain was starting to affect the people around you.
At Greenspan & Greenspan Injury Lawyers, our New York car accident lawyer are here for you at exactly this moment, when the symptoms are real but the answers are not, and we will guide you through every step of what comes next.
What Types of Head Injuries in Car Accidents Are Most Common?
The forces involved in a car collision can injure the brain even when the head never comes into contact with a surface. Rapid deceleration causes the brain to move inside the skull, bruising tissue, tearing nerve fibers, and disrupting the chemical environment the brain depends on to function. The type and severity of the injury shape both the medical treatment required and the legal value of the claim.
Concussion
A concussion is a functional brain injury caused by sudden movement of the brain inside the skull. Symptoms include headache, nausea, confusion, sensitivity to light and sound, memory gaps, and sleep disruption. Many people underestimate a concussion because they can walk, talk, and appear functional, while their brain is still processing a significant disruption.
Post-Concussion Syndrome
When concussion symptoms persist beyond the expected recovery period, typically several weeks to a few months, the diagnosis shifts to post-concussion syndrome. Chronic headaches, cognitive difficulty, emotional dysregulation, and fatigue can last months or years and significantly affect the ability to work and maintain relationships. These cases require ongoing specialist documentation because the symptoms fluctuate.
Traumatic Brain Injury (TBI)
Moderate to severe TBIs involve structural damage to brain tissue, bleeding, or swelling that standard imaging can identify. These injuries carry the highest risk of permanent impairment, including memory loss, personality changes, seizures, motor deficits, and the need for long-term care. The gap between what a TBI costs in the first year and over a lifetime is substantial.
Skull Fractures
Direct impact with a steering wheel, window, or door frame can fracture the skull. Depending on location and severity, skull fractures may involve underlying brain injury requiring surgical intervention, and recovery timelines vary considerably based on whether the fracture affects areas near critical neurological structures.
Diffuse Axonal Injury (DAI)
One of the most serious TBI subtypes, DAI, results from the shearing of nerve fibers throughout the brain during rapid rotation or deceleration. It frequently causes prolonged unconsciousness and long-term cognitive and physical disability, and it is often underdiagnosed in the acute phase because standard CT imaging may appear normal even when significant nerve fiber damage has occurred.
What Symptoms Should You Watch for Following a Head Injury After a Car Accident?
Some head injury symptoms appear immediately. Others develop over hours or days, which is why symptoms that seem minor at the scene can signal a serious underlying injury. Symptoms that warrant immediate medical evaluation, once noticed, include:
- Headache that worsens over time. A headache that intensifies rather than improves in the hours after a crash can signal bleeding or swelling inside the skull.
- Confusion or disorientation. Difficulty understanding where you are, what happened, or what people are saying to you indicates neurological disruption that requires evaluation.
- Memory gaps. An inability to recall the crash itself, events leading up to it, or events that followed is a classic sign of concussive injury.
- Nausea and vomiting. These symptoms frequently accompany brain injury and should not be attributed to stress or shock without medical evaluation.
- Sensitivity to light and sound. Unusual discomfort in normally tolerable environments points to neurological involvement.
- Sleep disturbances. Sleeping significantly more or less than usual, or difficulty falling asleep despite fatigue, often accompanies a concussion.
- Mood and personality changes. Irritability, emotional outbursts, anxiety, or depression appearing after a crash can reflect brain injury rather than a psychological reaction to the accident.
- Slurred speech. Difficulty forming words clearly after a crash indicates possible neurological involvement and requires immediate evaluation.
- Weakness or numbness in the limbs. One-sided weakness, numbness, or tingling in the arms or legs can signal pressure on the brain or injury to motor control regions. It should never be attributed solely to the accident-related soreness.
Do not wait to see whether these symptoms resolve on their own. What feels like minor discomfort in the first few hours can be the early sign of something that requires prompt neurological attention.
Why Does Early and Accurate Symptom Documentation Matter?
The mistake that quietly damages more claims than any other is incomplete reporting at the first medical visit. Emergency rooms move quickly. Injured people are often disoriented, embarrassed, or unaware that what they are experiencing is neurologically significant. It is okay to say all of that to the doctor. You don’t have to have all the answers, but they need the information to make the right medical decisions and to document your symptoms accurately.
You are likely not even considering a lawsuit at this time, and may think that you won’t ever sue, but if you are unable to pay your medical bills after a head injury from a car accident, you may need to change your mind. Therefore, you will want to be sure you have accurate documentation from the first day.
How Do Head Injuries Qualify Under New York’s Serious Injury Threshold?
New York’s no-fault system covers immediate medical expenses regardless of fault, but it does not compensate for pain and suffering or permanent impairment. To pursue those damages, a head injury must meet the serious injury threshold.
Significant head injuries frequently satisfy the threshold under the categories of permanent consequential limitation of use of a body organ or member, or significant limitation of use of a body function or system. Cognitive function, memory, speech, and emotional regulation all qualify as body functions or systems under this framework.
A traumatic brain injury car accident in New York requires a claim that documents measurable cognitive or functional limitations through neuropsychological testing, neuroimaging, and physician records, which can satisfy the threshold even when the injury does not involve a visible structural defect on standard imaging.
Post-concussion syndrome cases are among the most contested threshold disputes in New York personal injury litigation because the injury is real, the functional impact is significant, but standard imaging often appears normal. These cases require a careful assembly of objective medical evidence from the start, and an attorney who understands how to build that record is more likely to achieve a fundamentally different outcome than one who does not.
What Compensation Can a Concussion After a Car Accident or TBI Claim Recover?
Damages in these cases cover several categories depending on the severity and long-term impact of the injury:
- Past and future medical expenses—emergency care, neurological evaluation, neuropsychological testing, imaging, medication, cognitive rehabilitation, and ongoing treatment;
- Lost wages and earning capacity—income lost during recovery and the projected value of lost future earnings;
- Pain and suffering—physical pain, cognitive disruption, emotional impact, and loss of activities and relationships; and
- Future care costs—ongoing specialist visits, medication management, cognitive therapy, and any long-term support.
The full cost of a serious head injury accumulates over the years. A claim that accounts only for current medical bills and misses future care and earning capacity losses will fall significantly short of what the injury actually costs. Settling before establishing the full extent of the injury is a mistake that cannot be undone.
Why Victims of Head Injuries in Car Accidents Trust Greenspan & Greenspan with Cases That Cannot Afford Mistakes
Head injury cases demand attorneys who understand the medicine, the long-term consequences, and the legal strategies insurers use to undervalue them. Greenspan & Greenspan Injury Lawyers has represented seriously injured New Yorkers since 1959, and our attorneys have lectured for the New York State Bar Association and other professional associations on trial practice, insurance law, and legal ethics because we believe that the attorneys who teach the profession have an obligation to practice it at the highest level.
The New York State Trial Lawyers Association honored us with a Certificate of Appreciation for Extraordinary Service, and the American Association for Justice has also recognized our work. We handle serious injury cases across New York State, and we recovered tens of millions of dollars for clients who trusted us with something that mattered enormously.
A Head Injury Can Change Your Entire Life. Let Us Help You Today.
Schedule your free consultation with Greenspan & Greenspan Injury Lawyers today. The sooner we get involved, the sooner we can protect you, collect the documentation, identify every liable party, and build a claim that reflects everything this injury has taken from you.
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