WHETHER it be changes in body language, sweaty palms or fluctuations in brain activity, no surrogate marker of deception has yet proved reliable enough to be admitted as evidence in a court of law.

• 无论是肢体语言的改变，汗涔涔手掌抑或大脑活动的起伏不定，这些被测谎仪认定为欺骗的表现。但这种检测结果还不可以作为充分可靠的法律依据。