5697
Here we demonstrate that specific activation of DA D ( 1 ) receptors in the prelimbic ( PLC ) division of the mPFC causes a transient block in the behavioral expression of both aversive and rewarding associative memories .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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