Method for psychophysiological detection of deception...

A - Human Necessities – 61 – B

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A61B 5/04 (2006.01) A61B 5/16 (2006.01) A61B 5/0476 (2006.01)

Patent

CA 2456302

The subject invention comprises a method whereby a deceptive individual will be required to perform a specific cognitive task in order to accomplish deception, which differs from a cognitive task that is performed by a truthful individual in response to the same instructions (1). The psychophysiological manifestations of the cognitive task, or of the increased cognitive activity involved in the task are measured (2). The brain waves or other psychophysiological data are then analyzed to distinguish the types or levels of cognitive activity produced by the cognitive task for truthful and deceptive individuals (3).

L'invention porte sur un procédé consistant à demander à un individu tenant un discours mensonger de réaliser une tâche cognitive spécifique de manière à dire des mensonges, tâche différente de celle effectuée par un individu tenant des propos véridiques suivant les mêmes instructions. Les manifestations psychophysiologiques de la tâche cognitive ou de l'activité cognitive accrue impliquées dans cette tâche sont mesurées. Les ondes cérébrales ou d'autres données psychophysiologiques sont alors analysées de manière à distinguer les types ou les niveaux d'activité cognitive produite par la tâche cognitive dans le cas d'individus tenant des propos véridiques et mensongers.

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