1178
Significant memory improvement occurred after either intracereboventricular infusion with Compound 44 ( 100 mu g ) in a water maze task or systemic administration with Compound 6 ( 3 mg / kg ) in a radial arm maze task .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None