Causes, Prevalence, & Consequences

Causes of Brain Injury

  • Brain injury is the leading cause of death and disability in children and young adults.
  • Falls are leading causes of TBI for persons ages 65 and older.
  • Transportation-related injuries is the leading cause among persons ages 15 to 64.

Injury and Disability Prevalence Rates

50% of all people with brain injury died 30 years ago; that number now has been reduced to 22%. More people are surviving brain injury than ever before.

  • 400,000 with spinal cord injuries
  • 500,000 with cerebral palsy
  • 2 million Americans with epilepsy
  • 3 million Americans with stroke disabilities
  • 4 million with Alzheimer's disease
  • 5 million Americans with persistent mental illness
  • 5.3 million Americans with TBI disability
  • 7.3 million Americans with mental retardation

Possible Consequences of Brain Injury

Physical Changes

  • Seizures of all types
  • Muscle spasticity
  • Double vision or low vision, even blindness
  • Loss of smell or taste
  • Speech impairments such as slow or slurred speech
  • Headaches or migraines
  • Fatigue, increased need for sleep
  • Balance problems
  • Motor coordination

Thinking Changes

  • Short-term memory loss; long-term memory loss
  • Slowed ability to process information
  • Trouble concentrating or paying attention for periods of time
  • Difficulty keeping up with a conversation; other communication difficulties such as word finding problems
  • Spatial disorientation
  • Organizational problems & impaired judgment
  • Unable to do more than one thing at a time
  • A lack of initiating activities, or once started, difficulty in completing tasks without reminders
  • Decision making difficulties
  • Sequencing difficulties
  • Inflexibility
  • Self-perception
  • Persistence

Personality and Behavioral Changes

  • Depression
  • Social skills problems
  • Mood swings
  • Inappropriate behavior
  • Inability to inhibit remarks
  • Problems with emotional control
  • Difficulty . . .
    • relating to others
    • maintaining relationships
    • forming new relationships
    • interpreting social cues
  • Stress, anxiety, frustration
  • Egocentric behaviors;
    difficulty seeing how behaviors can affect others