QuoteI don't believe so but this test is based on the autonomic nervous system from my understanding.I agree that this is what the maker of the device tells people. Still, I know of no peer-reviewed studies linking the voice, deception and the autonomic nervous system.
QuoteWell i have just learned that the CSVA is based on the autonomic nervous system when the csva reads a deception that means the nervous system has kicked in under stress.This is what the makers of the device claim. When you look for any proof or research supporting this contention, you come up empty handed pretty quickly.
QuoteIn a person with a nervous disorder that could read a false positive or negative the test itself wouldn't be accurate.