273447
Further topics of research included various metabolic disturbances in brain tumors and in dementia s , which improved diagnostic accuracy and treatment strategies , as well as patterns of functional activation in healthy controls and patients , which contributed to the understanding of deficits and of compensatory mechanisms .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None