8735
We studied the human vestibulo - ocular reflex ( VOR ) in response to head ' impulses ' : brief , unpredictable , passive , high - acceleration ( up to 4000 degrees / s2 ) , low - amplitude ( 20 - 30 degrees ) head rotations .
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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: GENE 
Text: {0} 
 Entities:  
Answer:
 None