interrogate v
1. transmit (a signal) for setting off an appropriate response, as in telecommunication
2. pose a series of questions to; "The suspect was questioned by the police"; "We questioned the survivor about the details of the explosion" [syn: question]

Interrogate \In*ter"ro*gate\, v. t. [imp. & p. p. Interrogating.] [L. interrogatus, p. p. of interrogare to ask; inter between + rogare to ask. See Rogation.] To question formally; to question; to examine by asking questions; as, to interrogate a witness. Wilt thou, uncalled, interrogate, Talker! the unreplying Fate? --Emerson. Syn: To question; ask. See Question.

Interrogate \In*ter"ro*gate\, v. i. To ask questions. --Bacon.

Interrogate \In*ter"ro*gate\, n. An interrogation; a question. [Obs.] --Bp. Hall.

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Interrogation or questioning is interviewing as commonly employed by officers of the police, military, and Intelligence agencies with the goal of extracting a confession or obtaining information. Subjects of interrogation are often the suspects, victims, or witnesses of a crime. Interrogation may involve a diverse array of techniques, ranging from developing a rapport with the subject to outright torture.

There are multiple techniques employed in interrogation including deception, torture, increasing suggestibility, and the use of mind-altering drugs.

A person's suggestibility is how willing they are to accept and act on suggestions by others. Interrogators seek to increase a subject's suggestibility. Methods used to increase suggestibility may include moderate sleep deprivation, exposure to constant white noise, and using GABAergic drugs such as sodium amytal or sodium thiopental.

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