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Administration of nocistatin ( 1 . 5 and / or 5 . 0 nmol mouse - 1 , i . c . v . ) 30 min before spontaneous alternation performance or the training session of the passive avoidance task , attenuated the scopolamine - induced impairment of spontaneous alternation and passive avoidance behaviours .
 Chemical: nocistatin; Chemical: scopolamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: nocistatin; Chemical: scopolamine