2482
Significant declines in simple and sustained attention , working memory , and verbal memory were observed at 1 hour postdose compared to baseline for both age groups with a trend toward return to baseline by 5 hours postdose .
 declines in simple and sustained attention , working memory , and verbal memory
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 declines in simple and sustained attention , working memory , and verbal memory