Healthy Living

A Deeper Look into the Non-Motor Symptoms of Parkinson's Disease

Cognitive changes

A third non-motor symptom seen in cases of Parkinson’s disease includes noticeable cognitive changes.  According to, “cognitive functions encompass reasoning, memory, attention, and language and lead directly to the attainment of information and thus, knowledge.”  This symptom can result in drastic changes in a patient's day to day activities, due to the fact that much of what they used to know may very well be changing significantly. 

It is important to note that one Parkinson’s patients respective experience in cognitive decline can greatly vary with another's, as a result of the different severities of the symptom.  Parkinson’s News Today discusses this very idea, stating, “Cognitive changes in patients can range from Parkinson's disease mild cognitive impairment (PD-MCI) to Parkinson's disease dementia (PDD).”