5176
Distinct roles of methamphetamine in modulating spatial memory consolidation , retrieval , reconsolidation and the accompanying changes of ERK and CREB activation in hippocampus and prefrontal cortex .
 Chemical: methamphetamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: methamphetamine