An injury that commonly results from a blow to the head or from sudden deceleration. It usually causes an altered mental state, either temporary or prolonged. Often used by the public to refer to a brief loss of consciousness.
Any alteration in cerebral function caused by direct or indirect (rotation) force transmitted to the head resulting in one or more of the following: a brief loss of consciousness, lightheadedness, vertigo, cognitive and memory dysfunction, tinnitus, difficulty concentrating, amnesia, headache, balance disorder, nausea or vomiting.
The common result of a blow to the head or sudden deceleration usually causing an altered mental state, either temporary or prolonged. Physiologic and/or anatomic disruption of connections between some nerve cells in the brain may occur. Often used by the public to refer to a brief loss of consciousness.
a disturbance of electrical activity in the brain due to a blow to the head or neck, causing temporary loss of consciousness. This is common in car accident compensation claim cases, bike accident claims and other accident compensation cases.
a violent blow, jarring, shaking or other non penetrating injury to the brain. Frequently, but not always, accompanied by a loss of consciousness. Also called Minor Head Injury and Traumatic Brain Injury. Slang terms include: having one's "bell rung," and "ding."
injury to the brain caused by a hard blow or violent shaking, causing a sudden and temporary impairment of brain function, such as a short loss of consciousness or disturbance of vision and equilibrium.
Concussion, or mild traumatic brain injury (MTBI), is the most common and least serious type of traumatic brain injury. A milder type of diffuse axonal injury, concussion involves a transient loss of mental function. It can be caused by acceleration or deceleration forces, or by a direct blow.