I don’t have the firmest grasp on the way a polygraph functions, but I’ve just had this thought a lot.
Could a polygraph help people uncover repressed memories? For example if a person suspects they were being harmed as a child, but can’t remember details, could a polygraph help them get more answers? Like by asking specific questions maybe related to what a person suspects happened and detecting how they respond.
Or, is a polygraph only useful to detect truth/a lie about things someone is certain about and remembers fully?
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Neither. Polygraphs are pop pseudoscience used by police to manipulate people. They are not admissible in court and are basically just stress-response sensors. Hence the incredibly unreliable nonsense of a high-stress interrogation where your life could massively be impacted or public humiliation on trash TV shows.
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