826
One intriguing observation was that despite the different extents of observed antisaccade performance decline in elderly and PD patients , reward prospect led to beneficial effects on antisaccade latency and accuracy in young , elderly , and PD patients alike .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None