| 摘要 |
A method for evoking an event related potential in a person in order to evaluate the person's beliefs, knowledge, attitudes, or veracity relating to certain subject matter comprising the steps of presenting the person with a series of statements or questions at least some of which relate to the subject matter, having the person make replies of affirmance or disaffirmance about each statement or question, presenting the person with a purported evaluation of the veracity of each of his replies, each of the evaluations caused to vary to present at least confirmation or disconfirmation of the replies and measuring the P3 of the person in response to the purported evaluations whereby the beliefs, knowledge, attitudes, or veracity of the person about the subject matter can be determined.
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