concussion is a type of traumatic brain injury that is caused by a blow to the head or body, a fall, or another injury that jars or shakes the brain inside the skull. Although there may be cuts or bruises on the head or face, there may be no other visible signs of a brain injury.
You don't have to pass out (lose consciousness) to have a concussion. Some people will have obvious
symptoms of a concussion, such as passing out or forgetting what happened right before the injury. But other people won't. With rest, most people fully recover from a concussion. Some people recover within a few hours. Other people take a few weeks to recover.
Jessica Levin never gets lost. "I have a weirdly good sense of direction," says the 33-year-old president of a marketing company in Edison, N.J. "If I've been to a place before, even 10 or 20 years earlier, I can go back and know how to get around."
People like Levin don't have an innate sense of direction. What they do have is outstanding recognition and spatial memory: that is, the parts of the memory that record aspects of their environment and where those aspects are in relation to each oth...
It's important to know that after a concussion the brain is more sensitive to damage. So while you are recovering, be sure to avoid activities that might injure you again.
In rare cases, concussions cause
more serious problems. Repeated concussions or a severe concussion may lead to long-lasting problems with movement, learning, or speaking.
Because of the small chance of serious problems, it is important to
contact a doctor if you or someone you know has symptoms of a concussion.
What causes a concussion?
Your brain is a soft organ that is surrounded by spinal fluid and
protected by your hard skull. Normally, the fluid around your brain acts like a
cushion that keeps your brain from banging into your skull. But if your head or
your body is hit hard, your brain can crash into your
skull and be injured.
There are many ways
to get a concussion. Some common ways include fights, falls, playground
injuries, car crashes, and bike accidents. Concussions can also happen while
participating in any sport or activity such as football, boxing, hockey,
soccer, skiing, or snowboarding.
What are the symptoms?
It is not always easy to know if someone has a
concussion. You don't have to pass out (lose consciousness) to have a concussion.
of a concussion range from mild to severe and can last for hours, days, weeks,
or even months. If you notice any symptoms of a concussion, contact your