contingent negative variation

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contingent negative variation

physiology

Also known as: CNV

Learn about this topic in these articles:

major reference

In attention: Electrical changes
…stimulus, has been termed the contingent negative variation (CNV). It appears as a correlate of focal attention, and it has been suggested that one of its functions may be to prime the appropriate areas of the cerebral cortex for the expected stimuli. The expectation must be focal—i.e., in the forefront…
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