Systems and methods for detecting deception by measuring...

A - Human Necessities – 61 – B

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A61B 5/055 (2006.01)

Patent

CA 2568549

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. Some methods include the use of differences between two states, such as a deceptive state and a truthful state. In some methods, brain maps are generated and compared. Also disclosed are systems for detecting deception by measuring brain activity.

La présente invention concerne des techniques permettant de déterminer si l'activité du cerveau d'une personne en réponse à un stimulus d'intérêt ou à une question d'intérêt est caractéristique d'un état d'intérêt, tel qu'un état de déception ou qu'un état de sincérité. Certaines techniques comprennent l'utilisation de questions de contrôle, de façon à la fournir des bases de comparaison aux réponses aux stimuli d'intérêt ou aux questions d'intérêt. Certaines techniques comprennent l'utilisation de différences entre deux états, tel qu'un état de déception et un état de sincérité. Dans certaines techniques, des cartes du cerveau sont générées et comparées. Cette invention concerne aussi des systèmes permettant de détecter la déception par la mesure de l'activité du cerveau.

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