Minor hallucinations may be an early sign of Parkinson’s-related cognitive decline

  • New research suggests that people diagnosed with Parkinson’s disease who have hallucinations early on face a greater risk of rapid cognitive decline.
  • However, minor hallucinations often go underreported and ignored by Parkinson’s disease patients and clinicians.
  • European experts ran a long-term study that tied Parkinson’s disease and early hallucinations to “a stronger decline in frontal-subcortical functions.”
  • Experts encourage anyone with Parkinson’s disease who has hallucinations to inform their healthcare provider promptly.

By Jeanna D. Smiley on July 13, 2023 — Fact checked by Harriet Pike, Ph.D.

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