This study looks at pain in people with Parkinson's Disease (PD) and those without. Parkinson's is a brain disorder that affects movement. Researchers are comparing pain levels in three groups: healthy people, people with PD who take a medicine called levodopa, and people with PD who have a treatment called deep brain stimulation (DBS). This study involves a single session at Aarhus University Hospital, Denmark, lasting about 1½ hours. During the session, participants will experience different types of pain (from heat, pressure, and chemicals) to see how they react. Participants will be asked about their pain levels and how they feel about the pain.

• Duration: The study takes around 1½ hours for each person.
• Eligibility: Must not have other neurological or medical disorders affecting pain, dementia, or untreated depression.
• Compensation: Not specified in the details provided.

If you're healthy or have PD and are interested, you might consider joining to help understand pain in Parkinson's better. Participants are recruited from the Aarhus University Hospital and other local sources.