2076
Spectral analyses were conducted by dividing the whole spectrum into different frequency bands including delta , theta ( slow and fast ) , alpha - sigma , beta ( 1 and 2 ) and gamma ( 1 and 2 ) bands .
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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:
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