Physical deficit can include ambulation, balance, coordination, fine motor skills, strength, and endurance. Cognitive deficits of language and communication, information processing, memory, and perceptual skills are common. Psychological status is also often altered.
Brain injury can occur in many ways.
Traumatic brain injuries typically result from accidents in which the head strikes an object. This is the most common type of traumatic brain injury. However, other brain injuries, such as those caused by insufficient oxygen, poisoning, or infection, can cause similar deficits. In many MTBI cases, the person seems fine on the surface, yet continues to endure chronic functional problems. Persons suffering from PCS can experience significant changes in cognition and personality.