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A lie detector picks up changes in your pulse and heart rate. Generally when you tell a lie, your pulse will increase because you don't want to tell the person what you are hiding and consequently become nervous.
It has been confirmed that a lie detector can not be trusted fully to determine whether you are lying or not.
Wiki User
∙ 10y ago
Wiki User
∙ 13y agoparts of a polygraph machine
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What are the the parts of polygraph machine?
parts of a polygraph machine
Who are those persons who beat the polygraph machine?
Bam Bam and Justice Story
Proper attachment of polygraph machine in human body?
A polygraph machine, commonly known as a lie detector, is not attached directly to the human body. Instead, various sensors are attached to different parts of the body. Typically, these include pneumographic tubes around the upper chest, fingerplates to measure skin conductance, and a blood pressure cuff on the arm. These sensors allow the machine to detect physiological changes that may occur when a person is lying.
What occupation uses a polygraph?
Polygraph examiner
What is the word polygraph in a sentence?
The polygraph test is not "proof-positive". The polygraph test is not completely unreliable.
How did the polygraph affect society?
The machine itself has done little -how it has been used is to cause self-doubt in those who would deceive.
What are the parts of a polygraph machine and functions?
There are three parts of a polygraph machine. They are:the cardio-sphygmograph consisting of a blood pressure cuff placed on the arm that remains inflated during the test - measures blood pressure and heart ratethe pneumograph consisting of two tubes filled with air, one placed around the chest and the other placed around the abdomen - measures respiratory ratethe galvanograph which consists of electrical sensors attached to the fingertips - records the amount of perspiration produced
Can memory loss make you fail a polygraph?
Not if it's genuine. The polygraph is based on physiological reactions in the subjects body. If you genuinely have no recollection of events surrounding a particular incident, the polygraph wouldn't detect any changes - However, if you try to fake memory loss in order to avoid answering a question, the machine will detect minor changes and flag the answer as false.
What are the functions done by various parts of the carding machine?
parts of carding machine
Is a simple machine a vending machine?
No,because it has moving parts in it and a simple machine dose not have any moving parts
Why did Thomas Jefferson find polygraph machine handy?
First, Thomas Jefferson's polygraph was an item he got from the maker -- he didn't invent it. And, it was not a lie detector. It was a sort of copy machine. It made a duplicate of a hand written letter as the letter was being written. It was useful because it allowed him to keep a copy of letters he sent without having to make a second copy by hand.
Are Kenmore sewing machine parts compatible with gun parts?
No, Kenmore sewing machine parts, or any other brand of sewing machine parts, are NOT compatible with gun parts. Sewing machine parts and gun parts must serve entirely different functions and withstand totally different sorts of stress.
