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.
Parkinsonâs disease is a degenerative condition of the nervous system. Neurons in a very specific area of the brain â the substantia nigra â die or collect plaques that interfere with normal function. The neurons in this area are involved in coordination of movement, balance and gait, and planning and abstract thought.