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Home / Injuries / Traumatic Brain Injury

Traumatic Brain Injury from Truck Accidents

Traumatic brain injuries (TBI) are among the most serious and life-altering consequences of truck accidents. The immense force of collisions with 18-wheelers and semi-trucks can cause devastating brain damage that affects every aspect of a victim's life.

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If you or a loved one has suffered a traumatic brain injury in a truck accident, you need an attorney who understands both the medical complexity of TBI and the legal strategies for maximizing compensation. Our guide to truck accident lawyers explains how to find specialized legal representation for your case.

What is Traumatic Brain Injury?

A traumatic brain injury (TBI) occurs when an external force causes brain dysfunction. This can happen through direct impact—such as the head striking the steering wheel or window—or through the violent acceleration and deceleration forces that cause the brain to move within the skull, a phenomenon known as “coup-contrecoup” injury.

The brain is remarkably fragile despite being protected by the skull. When subjected to the forces generated in a collision with an 18-wheeler weighing up to 80,000 pounds, even seemingly minor impacts can cause significant damage to brain tissue, blood vessels, and neural connections.

TBI in America: The Numbers

2.8M

TBI-related ER visits annually

223K

TBI hospitalizations per year

14%

Caused by motor vehicle crashes

5.3M

Americans living with TBI disability

Source: Centers for Disease Control and Prevention (CDC), 2023 Report to Congress on Traumatic Brain Injury

How Truck Accidents Cause TBI

The physics of truck accidents make TBI particularly likely and severe. A fully-loaded commercial truck has 20-30 times the mass of a passenger car. When these vehicles collide, the smaller vehicle absorbs the vast majority of the crash energy.

Direct Impact

Head strikes steering wheel, dashboard, windows, or A-pillar during collision

Coup-Contrecoup

Brain bounces within skull from sudden deceleration, causing injury on opposite sides

Rotational Forces

Angular acceleration tears nerve fibers (axons) throughout the brain

Penetrating Injury

Debris or vehicle parts penetrate the skull in severe crashes

Secondary Injury

Swelling, bleeding, and oxygen deprivation after initial trauma

Blast Effect

Pressure waves from tanker explosions can cause TBI without direct contact

Certain types of truck accidents are particularly likely to cause TBI. Tanker truck accidents involving explosions create blast waves that can cause brain injury even without direct impact. Underride accidents, where a car slides beneath a truck trailer, often result in catastrophic head injuries.

Symptoms & Diagnosis

TBI symptoms can appear immediately or develop over days or weeks. This delayed onset is one reason why it's crucial to seek medical attention after any truck accident, even if you feel fine initially. Adrenaline and shock can mask serious injuries.

Physical Symptoms

  • • Persistent headaches and migraines
  • • Nausea and vomiting
  • • Dizziness and balance problems
  • • Blurred or double vision
  • • Sensitivity to light and sound
  • • Loss of consciousness (even brief)
  • • Seizures or convulsions
  • • Clear fluid from nose or ears (skull fracture sign)

Cognitive & Emotional Symptoms

  • • Memory problems and confusion
  • • Difficulty concentrating
  • • Slowed thinking and processing
  • • Mood swings and irritability
  • • Depression and anxiety
  • • Sleep disturbances
  • • Personality changes
  • • Difficulty finding words

“The 'invisible' nature of TBI is what makes these cases so challenging—and so important to document properly. A patient may look fine on the outside while suffering profound cognitive deficits that destroy their ability to work, maintain relationships, or live independently.”

DSW
Dr. Sarah Williams

Board-Certified Neurologist, Mayo Clinic

Source: American Academy of Neurology Conference, 2023

Warning: Seek Emergency Care Immediately If You Experience

  • • Worsening headache that won't go away
  • • Repeated vomiting
  • • Seizures
  • • Unusual pupil size
  • • Extreme drowsiness or inability to wake
  • • Slurred speech
  • • Weakness or numbness in limbs
  • • Loss of coordination

Types of Traumatic Brain Injury

TBI severity is classified by the Glasgow Coma Scale (GCS) score and duration of unconsciousness. Understanding the type of TBI is critical for both medical treatment and calculating appropriate settlement compensation.

Mild TBI (Concussion)

Brief loss of consciousness (under 30 minutes) or disorientation. GCS 13-15. Despite being called 'mild,' these can have lasting effects including post-concussion syndrome.

Most recover within weeks to months, but 15-20% have persistent symptoms

Moderate TBI

Loss of consciousness for 30 minutes to 24 hours. GCS 9-12. Confusion may last weeks. Often requires hospitalization and rehabilitation.

Recovery varies; many have permanent cognitive effects

Severe TBI

Extended unconsciousness or coma (over 24 hours). GCS 3-8. Significant visible brain damage on imaging. Often requires intensive care and long-term rehabilitation.

Often results in permanent disability or death

Penetrating TBI

Object penetrates the skull and enters brain tissue. Common in truck accidents involving debris or vehicle intrusion.

Typically severe with localized deficits plus high infection risk

Diffuse Axonal Injury (DAI)

Widespread tearing of nerve fibers from rotational forces. May not appear on CT scans initially. Common in high-speed truck collisions.

Often results in coma, vegetative state, or death

Long-Term Effects of TBI

TBI is not just an acute injury—it's often a chronic condition with lifelong implications. Understanding these long-term effects is essential for calculating full and fair compensation in truck accident cases.

Cognitive Effects

  • • Permanent memory impairment
  • • Reduced processing speed
  • • Executive function deficits
  • • Difficulty with complex tasks
  • • Impaired judgment and decision-making

Psychological Effects

  • • Chronic depression and anxiety
  • • Post-traumatic stress disorder (PTSD)
  • • Personality changes
  • • Increased suicide risk
  • • Relationship difficulties

Physical Effects

  • • Chronic headaches
  • • Seizure disorders (post-traumatic epilepsy)
  • • Sleep disorders
  • • Balance and coordination problems
  • • Hormonal imbalances

Increased Disease Risk

  • • Alzheimer's disease (4x higher risk)
  • • Parkinson's disease
  • • CTE (Chronic Traumatic Encephalopathy)
  • • Earlier cognitive decline
  • • Reduced life expectancy

Research published in the Journal of Neurotrauma shows that TBI survivors have a 2-3 times higher risk of developing dementia compared to the general population. This is why TBI settlements must account for decades of future medical care and reduced quality of life—not just immediate treatment costs.

Compensation for TBI from Truck Accidents

TBI victims may be entitled to substantial compensation due to the long-term, often permanent nature of brain injuries. Commercial trucks carry minimum insurance of $750,000, with many policies exceeding $1 million—and severe TBI cases often warrant every dollar and more.

Economic Damages

  • • Emergency room and hospital care
  • • Neurosurgery and ICU stays
  • • Rehabilitation (physical, occupational, speech, cognitive)
  • • Future medical expenses (often millions over a lifetime)
  • • Lost wages during recovery
  • • Lost earning capacity (may never return to prior career)
  • • Home modifications for disability
  • • In-home care and assistance
  • • Assistive technology and devices

Non-Economic Damages

  • • Pain and suffering
  • • Emotional distress and mental anguish
  • • Loss of enjoyment of life
  • • Cognitive impairment and memory loss
  • • Loss of consortium (impact on relationships)
  • • Depression, anxiety, and PTSD
  • • Personality changes affecting family life
  • • Loss of independence

According to the National Spinal Cord Injury Statistical Center, lifetime costs for severe TBI can exceed $3 million for a 25-year-old victim—and that's before accounting for non-economic damages. Insurance companies will try to minimize these figures. Learn more about truck accident settlement ranges and what factors affect your case value.

Proving TBI in Court

TBI cases are challenging because brain damage isn't always visible on standard imaging, and symptoms can be subjective. Insurance companies often dispute TBI claims, arguing that victims are exaggerating or that their problems are pre-existing. Successful cases require:

1

Neuroimaging

CT scans, MRI, diffusion tensor imaging (DTI), and PET scans to visualize brain damage

2

Neuropsychological Testing

Comprehensive cognitive assessments that document deficits in memory, attention, processing speed, and executive function

3

Medical Expert Testimony

Neurologists, neuropsychologists, and rehabilitation specialists who can explain injuries to a jury

4

Before/After Evidence

School records, employment reviews, and witness testimony showing how the victim has changed since the accident

5

Life Care Plan

Expert projection of future medical needs and costs over the victim's lifetime

6

Vocational Assessment

Analysis of how TBI affects the victim's ability to work and earn income

Why You Need a Specialized TBI/Truck Accident Lawyer

TBI cases from truck accidents sit at the intersection of two complex areas of law: trucking regulations and catastrophic injury litigation. You need an attorney who understands both.

A specialized attorney will know how to file your lawsuit properly, preserve critical evidence from the truck's black box, and build a case that accounts for both the truck driver's negligence (perhaps violating FMCSA regulations) and the full, lifelong impact of your brain injury.

  • ✓Experience with both trucking regulations and catastrophic injury cases
  • ✓Established relationships with top neurologists and neuropsychologists
  • ✓Resources to fund expensive expert witnesses and life care planning
  • ✓Track record of TBI verdicts and settlements
  • ✓Willingness to take cases to trial if insurance companies won't offer fair value

Related Injury Resources

Spinal Cord Injuries

Paralysis and back injuries from truck accidents

Wrongful Death Claims

When TBI or other injuries prove fatal

Burn Injuries

Severe burns from truck accident fires and explosions

Truck Accident Settlements

Understanding compensation for catastrophic injuries

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On This Page

  • What is TBI?
  • How Truck Accidents Cause TBI
  • Symptoms & Diagnosis
  • Types of TBI
  • Long-Term Effects
  • Compensation for TBI
  • Proving TBI in Court
  • Why You Need a Specialized Lawyer

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