Head injuries from car accidents are among the most serious and most misunderstood outcomes of vehicle crashes. Many people feel fine immediately after a collision, only to discover days or weeks later that a traumatic brain injury is developing. In New York, the legal window to file a personal injury claim is three years from the date of the crash, but the medical and legal steps taken in the immediate aftermath shape the strength of any future case.
Why Car Crashes Are a Leading Cause of Brain Injury
The forces involved in a vehicle collision can cause the brain to move violently inside the skull even when the head never strikes a surface. A sudden deceleration, the snapping of the head from a rear impact, or the rotational forces of a side collision can all produce damage to brain tissue without any visible external injury. According to the Centers for Disease Control and Prevention (CDC), traumatic brain injuries are a major cause of death and disability in the United States, and motor vehicle crashes are consistently among the leading causes.
What makes head injuries particularly challenging in the crash context is the distinction between primary and secondary injury. The primary injury occurs at the moment of impact, when the soft brain tissue collides with the interior of the skull. The secondary injury develops over hours or days as the brain begins to swell, pushing against the skull and restricting the flow of oxygen-rich blood. A person who appears relatively unharmed at the scene of an accident may be in the early stages of a secondary brain injury that will become far more serious without proper diagnosis and intervention.
Recognizing the Signs: From Concussion to Severe TBI
Brain injuries exist on a spectrum. A mild traumatic brain injury, commonly called a concussion, can produce symptoms that are subtle and easily attributed to stress or fatigue. The National Institute of Neurological Disorders and Stroke identifies a broad range of symptoms that may appear immediately or develop over time after a head injury.
Common symptoms of a mild traumatic brain injury (concussion) include:
- Persistent headaches
- Dizziness or balance problems
- Difficulty concentrating
- Memory lapses
- Confusion
- Sensitivity to light
- Sensitivity to noise
- Changes in sleep patterns
- Irritability
- Emotional volatility or mood changes
These symptoms are often mistaken for stress, fatigue, or the normal aftermath of an accident, which can delay diagnosis and treatment.
Signs of a moderate or severe traumatic brain injury may include:
- Prolonged loss of consciousness
- One pupil appearing larger than the other
- Slurred speech
- Repeated vomiting
- Convulsions or seizures
- Extreme confusion
- Inability to wake up or be roused from sleep
These symptoms require emergency care without delay. However, the reality that medical providers and injury attorneys both confront regularly is that even mild and moderate symptoms can mask injuries that will become significantly worse without treatment.
The Danger of Feeling Fine After a Crash
The New York State Department of Health notes that TBI symptoms may not appear until days or weeks following the injury. Adrenaline, which surges during the stress of an accident, can mask pain and neurological symptoms for hours. Many patients describe feeling sore but functional on the day of the crash, only to wake the following day unable to think clearly or control their emotions. Prompt medical evaluation, even when symptoms seem minor, creates the documented connection between the crash and the injury that any future claim depends on.
Treatment: What the Recovery Process Actually Involves
For concussions and mild TBI, the initial treatment focus is rest, monitoring, and a gradual return to normal activity under physician supervision. The CDC recommends that patients not rush back to work, school, or physical activity, and that they monitor for new or worsening symptoms that could indicate a more serious injury developing. Sleep disruption, cognitive difficulties, and emotional changes are common in the weeks after a mild TBI and can require ongoing management.
Moderate and severe TBI may require emergency surgery, intensive care monitoring, medication to reduce swelling, and extended hospitalization. The rehabilitation phase, which can last months or years, typically involves physical therapy to address motor deficits, occupational therapy to rebuild daily function, speech and language therapy for communication difficulties, and neuropsychological treatment for cognitive and emotional impairments.
For the most serious TBI cases, the cumulative cost of medical care over a lifetime can reach into the millions of dollars. Life care planners and medical economists are routinely retained in litigation to calculate future care needs and translate those needs into present-value dollar figures. Establishing these future costs with expert testimony is a central task in any serious TBI litigation.
New York Law and the Serious Injury Threshold
New York’s no-fault insurance system, governed by New York Insurance Law Section 5102, provides initial coverage for medical expenses and a portion of lost wages regardless of who caused the crash. This coverage is valuable for immediate needs, but it does not cover non-economic damages such as pain and suffering. To pursue those additional damages in a lawsuit against the at-fault driver, an injured person must meet what is known as the serious injury threshold.
The serious injury threshold is defined in Insurance Law Section 5102(d) and includes specific categories of qualifying injury. Among the most relevant for TBI cases are significant limitation of use of a body function or system, permanent consequential limitation of use of a body organ or member, and permanent loss of use of a body organ, member, function, or system. Courts have recognized that brain injuries, when supported by objective medical evidence, may satisfy this threshold.
Proving the serious injury threshold requires more than a subjective description of symptoms. Neuropsychological testing, MRI and CT imaging, quantified cognitive assessments, and treating physician opinions that specifically connect the documented deficits to the accident are all critical components of a TBI claim that seeks non-economic damages.
The Legal Framework: Damages, Fault, and the Filing Deadline
New York follows a pure comparative negligence standard under CPLR Section 1411. An injured person’s recovery is reduced by their percentage of fault, but recovery is not barred even if the plaintiff bears significant responsibility for the crash. This is more favorable to injury victims than the modified comparative fault systems used in many other states.
The damages available in a TBI case include:
- Past medical expenses related to emergency care, hospitalization, treatment, and rehabilitation
- Future medical expenses for ongoing therapy, medications, assistive devices, and long-term care
- Lost wages for income missed while recovering from the injury
- Reduced earning capacity when the injury limits the ability to work or advance in a career
- Future care costs associated with continued medical support or personal assistance
- Pain and suffering resulting from the physical effects of the injury
- Loss of enjoyment of life when the injury prevents participation in activities once enjoyed
- Emotional distress caused by the psychological and emotional impact of the injury
In severe TBI cases, these amounts can be substantial, particularly when the injured person is young and the income loss projection spans decades.
The personal injury statute of limitations in New York, under CPLR Section 214, is three years from the date of the crash. This deadline applies to most car accident cases. Claims against government entities, including cases involving municipal vehicles or government-owned roads, require a notice of claim within 90 days and different timing rules. The three-year period sounds substantial, but the time required to compile medical evidence, retain experts, and build a complete damages presentation means that early legal engagement is consistently better than waiting.
Suffered a Head Injury in a New York Crash? Restivo & Murphy LLP Can Help.
At Restivo & Murphy LLP, our New York personal injury attorneys understand how to investigate and build the medical and legal record that TBI cases demand. We work with neurologists, neuropsychologists, and life care planners to document the full scope of our clients’ injuries and project their long-term care needs accurately.
If you or a family member suffered a head injury in a car accident, the time to act is now. Contact our office or call (516) 212-0476 for a free consultation. We serve clients throughout New York City, Long Island, and the surrounding region.
Disclaimer: This article is for informational purposes only and does not constitute legal advice. For legal guidance tailored to your specific situation, consult a licensed attorney.