Multiple sclerosis (MS) is a nervous system disease that affects your brain and spinal cord. It damages the myelin sheath, the material that surrounds and protects your nerve cells. This damage slows down or blocks messages between your brain and your body, leading to the symptoms of MS. They can include:
Visual disturbances
Muscle weakness
Trouble with
Movement disorders are neurologic conditions that cause problems with movement, such as:
Increased movement that can be voluntary (intentional) or involuntary (unintended)
Decreased or slow voluntary movement
There are many different movement disorders. Some of the more common types include:
Ataxia, the loss of muscle coordination
Dystonia, in which involuntary contractions of your muscles cause twisting and repetitive movements. The
Meningitis is inflammation of the thin tissue that surrounds the brain and spinal cord, called the meninges. There are several types of meningitis. The most common is viral meningitis. You get it when a virus enters the body through the nose or mouth and travels to the brain. Bacterial meningitis is rare, but can be
Some forgetfulness can be a normal part of aging. However, some people have more memory problems than other people their age. This condition is called mild cognitive impairment, or MCI. People with MCI can take care of themselves and do their normal activities.
MCI memory problems may include:
Losing things often
Forgetting to go to events
Every day, you have different experiences and you learn new things. Your brain cannot store all of that information, so it has to decide what is worth remembering. Memory is the process of storing and then remembering this information. There are different types of memory. Short-term memory stores information for a few seconds or minutes.
A stroke is a medical emergency. There are two types – ischemic and hemorrhagic. Ischemic stroke is the more common type. It is usually caused by a blood clot that blocks or plugs a blood vessel in the brain. This keeps blood from flowing to the brain. Within minutes, brain cells begin to die.
A stroke is a medical emergency. There are two types – ischemic and hemorrhagic. Hemorrhagic stroke is the less common type. It happens when a blood vessel breaks and bleeds into the brain. Within minutes, brain cells begin to die. Causes include a bleeding aneurysm, an arteriovenous malformation (AVM), or an artery wall that breaks
What is dementia?
Dementia is a loss of mental functions that is severe enough to affect your daily life and activities. These functions include:
Memory
Language skills
Visual perception (your ability to make sense of what you see)
Problem solving
Trouble with everyday tasks
The ability to focus and pay attention
It is normal to become a bit more forgetful as you age.
What is delirium?
Delirium is a mental state in which you are confused, disoriented, and not able to think or remember clearly. It usually starts suddenly. It is often temporary and treatable.
There are three types of delirium:
Hypoactive, where you are not active and seem sleepy, tired, or depressed
Hyperactive, where you are restless or agitated
Mixed, where
Brain tumors are abnormal growths inside the skull. They are among the most common types of childhood cancers. Some are benign tumors, which aren’t cancer. They can still be serious. Malignant tumors are cancerous.
Childhood brain and spinal cord tumors can cause headaches and other symptoms. However, other conditions can also cause the same symptoms. Check