6202
When during late adulthood PERM treated rats were tested for spatial working memory performances in a T - maze - rewarded alternation task they took longer to choose for the correct arm in comparison to age matched controls .
 Chemical: PERM
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: PERM 
Answer:
 Chemical: PERM