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Published on: 8/20/2026

Does parkinson’s cause memory loss?

Parkinson's disease is primarily a movement disorder, but memory problems can develop as the condition progresses. Not everyone with Parkinson's experiences memory loss, and when it does occur, the severity varies significantly from person to person. Common cognitive changes may include difficulty with concentration, slower thinking, and trouble recalling information.

If you're noticing symptoms in yourself or a loved one, it's worth understanding what may be causing them. Early insight can help you make informed decisions about seeking medical care and treatment. Take a free, instant, online symptom check to better understand your symptoms and confidently navigate your next steps.

Reviewed for medical accuracy: 07/15/2026

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Parkinson's disease is known for its movement problems like shaking and stiffness. However, as the illness advances, some individuals may also have trouble with memory and other thinking. In fact, research shows that while memory loss is not an early sign of Parkinson's, it can develop later in the disease process. This memory loss might be linked to a decrease in attention and difficulties in keeping information in mind over time. In some cases, the memory issues are part of a broader condition known as Parkinson's dementia disease. It is important to remember that not every person with Parkinson's will experience significant memory problems. Instead, the changes in memory can be gradual and differ from person to person. If you're experiencing memory concerns or other symptoms, consider using a free symptom checker to better understand what you're experiencing before your next doctor's visit. Healthcare professionals closely monitor these symptoms, and treatment plans may be adjusted over time to help manage both the movement and memory challenges related to Parkinson's disease.

(References)

  • Hanagasi HA, Tufekcioglu Z, Emre M. Dementia in Parkinson's disease. J Neurol Sci. 2017 Mar 15;374:26-31. doi: 10.1016/j.jns.2017.01.012. Epub 2017 Jan 5. PMID: 28088312.

  • Aarsland D, Batzu L, Halliday GM, Geurtsen GJ, Ballard C, Ray Chaudhuri K, Weintraub D. Parkinson disease-associated cognitive impairment. Nat Rev Dis Primers. 2021 Jul 1;7(1):47. doi: 10.1038/s41572-021-00280-3. Erratum in: Nat Rev Dis Primers. 2021 Jul 13;7(1):53. doi: 10.1038/s41572-021-00292-z. PMID: 34210995.

  • Lee EY. Memory Deficits in Parkinson's Disease Are Associated with Impaired Attentional Filtering and Memory Consolidation Processes. J Clin Med. 2023 Jul 10;12(14):4594. doi: 10.3390/jcm12144594. PMID: 37510708; PMCID: PMC10380592.

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