Definition of pleasantry. plural. pleasantries. 1 : a humorous act or remark : jest. 2 : an agreeable playfulness in conversation : banter. 3 : a polite social remark exchanged pleasantries.
Parkinson-plus syndromes are a group of neurological conditions that are similar to Parkinson's disease but have unique characteristics. These syndromes can be hard to diagnose because the symptoms mimic other conditions. Following are the four most common types of Parkinson-plus syndromes.
Some consider Alzheimer's disease to be in this group. Parkinson-plus syndromes are either inherited genetically or occur sporadically. The atypical parkinsonian or Parkinson Plus syndromes are often difficult to differentiate from Parkinson's disease and each other.