15475
RESULTS : The results show that infusion of amphetamine impairs detection of spatial novelty , affecting also exploratory activity and marginally the detection of nonspatial novelty .
 Chemical: amphetamine
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: amphetamine