Absence seizure

Absence seizures typically last only a few seconds, but can occur dozens of times a day.


Cerebral palsy

Cerebral palsy — Comprehensive overview covers symptoms, causes and treatment of this movement disorder.

Childhood schizophrenia

Childhood schizophrenia is confusing and heart wrenching. Learn about managing this serious psychotic disorder.

Chronic daily headaches

Chronic traumatic encephalopathy


Coma is often a complication from a severe brain injury that leaves a person unconscious and unresponsive. Many people recover from this condition.

Conversion disorder

Conversion disorder occurs when your response to stress shows up as seizures, paralysis or another physical symptom.

Creutzfeldt-Jakob disease

Creutzfeldt-Jakob disease is a rare cause of dementia that progresses rapidly once symptoms develop.


Dysarthria is a speech disorder caused by an inability to control or coordinate the muscles used for speaking.


Encephalitis is inflammation of the brain usually caused by a viral infection. Severe cases can cause brain damage, even death.

Frontal lobe seizures

Frontal lobe seizures can produce many odd behaviors, including bicycle pedaling motions and pelvic thrusting. Seizures often occur during sleep.

Intermittent explosive disorder

Intermittent explosive disorder involves aggressive, violent behavior that's out of proportion to what triggered the behavior. Episodes may be separated by long periods of time.

Lewy body dementia

This type of dementia often causes hallucinations, delusions and fluctuating alertness.

Long QT syndrome

Long QT syndrome is an electrical disturbance that can cause sudden, rapid heart rates. It can be genetic or a side effect of medication.


Myoclonus refers to involuntary muscle jerks. Examples range from simple hiccups to the jerking movements common in epileptic seizures or cognitive disorders.

Rett syndrome

Parenting a child with Rett syndrome can be challenging. Here's what to expect and steps you can take to help your child.

West Nile virus

West Nile virus infection usually resolves on its own, but occasionally it can be serious.

May. 20, 2014