Answer:
The answer is "Parkinsonian symptoms".
Step-by-step explanation:
Parkinson's disease is a condition that produces a combination of motion abnormalities such as shaking, slow-movement, slurred vision, or joint pain, in particular as a result of loss of nerve cells containing serotonin (neurons).
The illness is characterized by a deficiency of neurons significant neurodegeneration inside the part of the brain. Nerve cells were crucial for creating a substance called dopamine in this part of the brain.