Archivos de la categoría: Parkinson disease

What is dyskinesia

Movement that is involuntary and abnormal and that generally results from a neurological injury or disorder. Though most commonly used in reference to abnormal extra movements, technically abnormal reduction in movement also could...

What is diagnosing Parkinson’s

The process of diagnosing Parkinson’s is a challenge for both physicians and those who have the disease. As there is no definitive clinical test either to confirm or rule out Parkinson’s, for many people diagnosis is a painstaking...

What is conditions similar to Parkinson’s

There are numerous neuromuscular conditions that have symptoms similar to those of Parkinson’s disease. Some estimates place misdiagnosis at 20 to 30 percent for either a diagnosis of Parkinson’s that is instead another condition ...

What is catecholamine

The chemical family whose major members are dopamine, epinephrine, and norEpinEphrinE. Structurally, a catecholamine contains molecules of catechol, an organic compound, and of amine, a nitrogen compound. The amino acid tyrosine i...

What is biofeedback

A method of learning to identify body signals to control body responses. Learning biofeedback techniques requires training and guidance from a therapist who specializes in this area, but once learned the techniques can be used any...

What is aromatic amino acid decarboxylase (AADC)

An enzyme that metabolizes, or breaks down, levodopa in the blood before it can cross the blood-brain barrier and enter the brain. AADC’s very rapid action necessitates dosages of levodopa that are much higher than would otherwise...

What is lead pipe resistance

An early symptom of Parkinson’s disease in which the muscles of a limb stiffen and resist passive movement (attempt by another person to manipulate the arm or leg when the person relaxes the limb). It gets its name from both the f...