Neurological Disorders

Lewy body dementia – Overview Lewy body dementia, also known as dementia with Lewy bodies, is the second most common type of progressive dementia after Alzheimer’s disease. Protein deposits, called Lewy bodies, develop in nerve cells in the brain regions involved in thinking, memory and movement (motor control). Lewy body …

Definition Aicardi syndrome is a disorder that occurs almost exclusively in females. It is characterized by three main features that occur together in most affected individuals. People with this syndrome have absent or underdeveloped tissue connecting the left and right halves of the brain (agenesis or dysgenesis of the corpus …

What is febrile seizures? A febrile seizure is a convulsion in a child that’s caused by a fever. The fever is often from an infection. Febrile seizures occur in young, healthy children who have normal development and haven’t had any neurological symptoms before. It can be frightening when your child …

Overview Dementia is a term used to describe a group of symptoms affecting memory, thinking and social abilities severely enough to interfere with your daily life. It isn’t a specific disease, but several diseases can cause dementia. Though it generally involves memory loss, memory loss has different causes. Having memory …

Definition Moyamoya disease is a disorder of blood vessels in the brain, specifically the internal carotid arteries and the arteries that branch from them. These vessels, which provide oxygen-rich blood to the brain, narrow over time. The narrowing of these vessels reduces blood flow in the brain. In an attempt …

Description Benign paroxysmal positional vertigo (BPPV) is one of the most common causes of vertigo — the sudden sensation that you’re spinning or that the inside of your head is spinning. BPPV causes brief episodes of mild to intense dizziness. It is usually triggered by specific changes in your head’s …

What is cervicalgia? Cervicalgia is a term used to describe pain or significant discomfort in your neck, especially at the back and/or sides. Lumbago is a similar term to cervicalgia except that it refers to pain in the low back. Basically, cervicalgia is neck pain, or pain that occurs in …

Overview Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s disease, is a progressive degeneration of nerve cells that control muscle movements. The disease, the most common motor neuron disease among adults, became known as Lou Gehrig’s disease after the New York Yankee’s Hall of Fame first baseman. Gehrig’s career …