a positive declaration intended to give confidence: He received assurances of support for the project. 2. promise or pledge; guaranty; surety: He gave his assurance that the job would be done. 3. full confidence; freedom from doubt; certainty: to act in the assurance of success.
Summary. Traumatic brain injury (TBI) happens when a bump, blow, jolt, or other head injury causes damage to the brain. Every year, millions of people in the U.S. suffer brain injuries. More than half are bad enough that people must go to the hospital. The worst injuries can lead to permanent brain damage or death.
Before listing what can happen with frontal lobe damage it is worth remembering 4 things: 1  Every person with brain injury will be different, UNIQUE. 2  Not all of these difficulties will occur in every person.  The degree of difficulty will vary from person to person.