Early signs and symptoms can include irritability, depression, small involuntary movements, poor coordination, and trouble learning new information or making decisions.
[ghr.nlm.nih.gov]
Early signs include: Irritability Depression Poor coordination Small involuntary body movements Trouble making decisions Trouble learning new information As the disease progresses
[familydoctor.org]
The characteristic triad includes physical symptoms (e.g., involuntary movements, restlessness, fidgety, loss of balance, awkward gait, poor coordination, dysarthria) cognitive
[memory.ucsf.edu]