Huntington's chorea is one of the diseases that greatly affects human functional activities in terms of action, psychology and cognition.

Dystonia is a movement disorder caused by neurological problems. The disease is sometimes difficult to detect because its clinical symptoms are similar to those of many other diseases.

Parkinson's disease is a progressive nervous system disorder that affects movement. Symptoms begin gradually, sometimes starting with a tremor in one hand that is barely noticeable.

If not treated early, hand tremors can become increasingly severe, causing difficulties in life and affecting the patient's quality of life.