Consider the following 1 Lie Detector test is also called truth serum test which involves the use of...........

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Consider the following:

1. Lie Detector test is also called truth serum test which involves the use of chemical compounds to get information from a subject.

2. Narcoanalysisis also called polygraph test which records physiological changes of a person under test.

3. Brain mapping is also called Neuro- imaging technique.

How many of the statements given above are correct about Deception Detection Tests (DDT) ?

Only One

Only Two

All Three

None

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Explanation:

Incorrect: The lie detector test is commonly referred to as the polygraph test, not the truth serum test. The truth serum test (or Narcoanalysis) involves the use of drugs, but the lie detector test measures physiological responses like heart rate, blood pressure, and respiration.

Incorrect: Narcoanalysis is the test that uses a 'truth serum' (like sodium pentothal) to induce a state where a person is more likely to divulge information. It is not the same as a polygraph test.

Incorrect: Brain mapping, or neuroimaging, does involve techniques to visualize brain activity but is not typically referred to as a lie detector test.

Therefore, none of the statements (1, 2, and 3) are correct