Your brain uses the input from four sensory systems to help maintain
balance and position in relation to your surroundings.
information about your position and motion in relationship to the rest of the
world. This is an important part of the balance mechanism. It often overrides
information from the other balance-sensing systems.
Sensory nerves in the joints allow the brain to keep track of
the position of the legs, arms, and trunk. Your body is then automatically able
to make tiny changes in posture that help maintain balance.
(This is called proprioception.)
Skin pressure sensation
provides information about position and motion in relationship to
A portion of the inner ear, called
the labyrinth, which includes the semicircular canals, contains specialized
cells. They detect motion and changes in position.
If there is a problem with any of the above systems, you will
probably feel dizzy (unsteady). Or you may have vertigo (spinning) or poor
For anyone who endures frequent or severe migraines, preventing these painful headaches is a top concern. Experts don't know exactly what causes migraines. But they have been able to identify medications to help prevent them.
People with frequent or severe migraine attacks can sometimes help prevent migraines if they:
Adopt lifestyle changes
Avoid migraine triggers
Use preventive medications or devices
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
November 14, 2014
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this