Concussion, also known as minor head trauma or mild traumatic brain injury (mTBI) is the most common type of traumatic brain injury. source
Concussion, also known as minor head trauma or mild traumatic brain injury (mTBI) is the most common type of traumatic brain injury.
A variety of signs accompany concussion including headache, feeling in a fog, and emotional changeability. source
A variety of signs accompany concussion including headache, feeling in a fog, and emotional changeability.
Fewer than 10% of sports-related concussions among children are associated with loss of consciousness. source
Fewer than 10% of sports-related concussions among children are associated with loss of consciousness.
The rate at which concussion occurs is not accurately known, but is estimated to be more than 6 per 1,000 people. source
The rate at which concussion occurs is not accurately known, but is estimated to be more than 6 per 1,000 people.
Concussion is associated with a variety of symptoms, which typically occur rapidly after the injury. source
Concussion is associated with a variety of symptoms, which typically occur rapidly after the injury.
Loss of consciousness may occur, but is not necessarily correlated with the severity of the concussion if it is brief. source
Loss of consciousness may occur, but is not necessarily correlated with the severity of the concussion if it is brief.
Post-traumatic amnesia, in which events following the injury cannot be recalled, is a hallmark of concussion. source
Post-traumatic amnesia, in which events following the injury cannot be recalled, is a hallmark of concussion.
Confusion, another concussion hallmark, may be present immediately or may develop over several minutes. source
Confusion, another concussion hallmark, may be present immediately or may develop over several minutes.
Concussion can result in changes in mood including crankiness, loss of interest in favorite activities or items, tearfulness. source
Concussion can result in changes in mood including crankiness, loss of interest in favorite activities or items, tearfulness.
Concussion involves diffuse brain injury, meaning that the dysfunction occurs over a widespread area of the brain rather than in a particular spot. source
Concussion involves diffuse brain injury, meaning that the dysfunction occurs over a widespread area of the brain rather than in a particular spot.
A retrospective survey in 2005 suggested that more than 88% of concussions are unrecognized. source
A retrospective survey in 2005 suggested that more than 88% of concussions are unrecognized.
Diagnosis can be complex because concussion shares symptoms with other conditions. source
Diagnosis can be complex because concussion shares symptoms with other conditions.
Cognitive symptoms include confusion, disorientation, and difficulty focusing attention. source
Cognitive symptoms include confusion, disorientation, and difficulty focusing attention.
The debate over whether concussion is a functional or structural phenomenon is ongoing. source
The debate over whether concussion is a functional or structural phenomenon is ongoing.
For a period of minutes to days after a concussion, the brain is especially vulnerable to changes in intracranial pressure, blood flow, and anoxia. source
For a period of minutes to days after a concussion, the brain is especially vulnerable to changes in intracranial pressure, blood flow, and anoxia.