4221
We found that in anesthetized , paralyzed cats , the visual evoked potential ( VEP ) was dependent only on magnitude of delta C at each pattern transition , and was independent of the starting or ending contrast level .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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