| http://www.w3.org/ns/prov#value | - Polygraphs measure arousal, which can be caused by anxiety, anxiety disorders such as PTSD, nervousness, fear, confusion, hypoglycemia, psychosis, depression, substance induced (nicotine, stimulants), substance withdrawal state (alcohol withdrawal) or other emotions; polygraphs do not measure lies.[8][22][23] A polygraph cannot differentiate anxiety caused by dishonesty and anxiety caused by som
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