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Percolation ( Cognitive Psychology ) Percolation ( from the Latin word percolatio , meaning filtration ) is a theoretical model used to understand the way activation and diffusion of neural activity occurs within neural networks .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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