Fact Sheets

Pediatric Movement Disorders
Pediatric movement disorders are repeated and sometimes uncontrolled movements with psychological or physiological causes. Learn about symptoms and treatment.
Stiff Person Syndrome (SPS)
Stiff Person Syndrome is an autoimmune and neurological disorder that causes rigidity and spasms in the trunk and limbs. Learn about symptoms and treatment.
Dystonia
Dystonia is a neurological movement disorder that causes muscle contractions or spasms. Learn about symptoms and treatment.
Torticollis
Also known as wry neck or twisted neck, torticllis is a condition in which a person's head tilts to one side.
Huntington's Disease
Huntington’s disease is a rare, inherited disease that causes nerve cells in the brain to break down over time. Learn about symptoms and treatment.
Insomnia
Insomnia is a medical condition in which insufficient sleep causes a significant decline in daytime performance and functioning. Learn about symptoms and treatment.
Parkinson's Disease
Parkinson’s disease is a chronic, progressive disease that affects the central nervous system, which controls muscle movement and monitors organ function.
Sleep Study
A sleep study is a noninvasive test that electronically records activity in the brain and body during sleep. Learn about this procedure.
Brachial Plexus Surgery
Though it’s possible to injure your brachial plexus without even knowing you did so, the consequences can include temporary numbness to your arm, pain, loss of sensation or even paralysis.
Chromosome Mosaicism
Mosaicism is a condition that occurs when a person has two or more genetically separate sets of cells in his or her body.