Systems and methods for detecting deception by measuring...

A - Human Necessities – 61 – B

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A61B 5/05 (2006.01)

Patent

CA 2569372

Methods for determining whether the brain activity of a human subject in response to a stimulus of interest or question of interest is characteristic of a state of interest, such as a deceptive state or a truthful state, are disclosed. Some methods include the use of control questions, including truthful control questions and deceptive control questions, to provide bases for comparison for responses to stimuli of interest or questions of interest. In some methods, brain maps are generated and compared. Also disclosed are systems for detecting deception by measuring brain activity.

L'invention concerne des procédés qui permettent de déterminer si l'activité cérébrale d'un sujet humain en réponse à un stimulus d'intérêt ou à une question d'intérêt est caractéristique d'un état d'intérêt, de type état associé au mensonge ou état associé à la vérité. Certains procédés consistent à utiliser des questions de contrôle, de type questions de contrôle associées à des mensonges et questions de contrôle associées à des vérités, qui permettent de fournir des bases pour la comparaison de réponses à des stimuli d'intérêt ou à des questions d'intérêt. Dans certains procédés, des cartes du cerveau sont générées et comparées. L'invention concerne également des systèmes qui permettent de détecter un mensonge par mesure de l'activité cérébrale.

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