Leukoencephalopathy is a rare and dangerous disease. Because it originates in the brain, the disease can affect all other parts of the patient's body.

Autism is a group of complex disorders in the development of the brain. Children with autism often repeat certain movements, lack adaptation and enjoyment, do not know how to play, are rigid... Therefore, observing the behavior of autistic children is very important to have timely treatment measures.

Cohen syndrome (also known as “Pepper syndrome” or “Cervenka syndrome”) is a pathological genetic disorder that causes hypotonia along with other clinical features such as mental retardation and unusual facial features.