Autonomic response analysis
An autonomic response analysis or ARA was a Starfleet medical procedure to confirm if a person was telling the truth, in effect acting as a lie detector.

When  Tom Paris of the  was tried and convicted for murder in 2371, The Doctor performed an ARA on him with Tuvok present to determine if Paris was innocent. ()  

In a holographic delusion experienced by The Doctor in 2371, Captain Kathryn Janeway requested that The Doctor perform an ARA on a Kazon soldier while she questioned him. ()

In 2372, Chakotay asked The Doctor to do an ARA when he questioned the Kazon Teirna again, but as there was no record on Kazon reactions, no basis for comparison existed. ()

See also 
Accuracy scan
Cerebral mapping
Encephalographic polygraph scan

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Analyses
Medical procedures