Traumatic Brain Injury vs. Acquired Brain Injury

One of the more confusing aspects of the brain injury world is that there are so many terms to learn. It can be difficult to differentiate between often similar terms. In this post, I would like to clarify the difference between two commonly used terms, “traumatic brain injury” and “acquired brain injury.” These terms (also known by their acronyms “TBI” and “ABI”) carry notably different connotations.

Traumatic brain injury is generally defined as any injury caused when an outside force is brought upon the brain. This can occur when an object strikes the brain, such as a bullet shot through a person’s skull. Alternatively, it can be when the brain itself strikes an object, such as when a person’s head hits a windshield in a car accident. This outside force can also be supplied by the shock wave of a bomb, which is to blame for many brain injuries suffered by soldiers. Though there is no “object” striking the head in that case, the force of the shock wave can cause considerable brain damage. Common causes of traumatic brain injury include motor vehicle accidents, falls, assaults, gun shot wounds and sports-related concussions.

Acquired brain injury is a broader term, covering all methods by which a brain can be injured (including traumatic brain injuries). This includes non-traumatic brain injuries due to stroke, anoxia (lack of oxygen caused by events such as heart attack or drowning), encephalitis and substance abuse. In short, acquired brain injury = traumatic brain injury + non-traumatic brain injury. Also, using the term acquired brain injury or traumatic brain injury does not denote differentiation between degrees of severity. All brain injuries have equal potential for low to high levels of severity.

I hope this helps clarify the difference between the terms “traumatic brain injury” and “acquired brain injury.” Feel free to ask questions in the comment section below!

Learn about brain injury treatment services at the Transitional Learning Center! Visit us at: http://tlcrehab.org/

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3 responses to “Traumatic Brain Injury vs. Acquired Brain Injury

  1. There is a distinction made between TBI and mTBI. Though the ‘m’ in “mild traumatic brain injury” can further add to the confusion. The term ‘mild’ as I understand it refers to the brain injury as not being an open wound injury. However, despite the absence of an open head wound it is no reference as to the severity of the brain injury. Both an mTBI and a TBI can be life altering.

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