Hypnosis and Eyewitness Memory

The use of hypnosis to enhance the memory of a witness to a crime often results not only in some additional accurate recall of information about the event but also in the incorporation of additional misinformation into the witness's memory of the event and a general increase in his or her confidence in the veracity of recall. Research has shown that hypnosis increases the amount of information that is recalled about an event. This effect often occurs with other techniques also, such as the cognitive interview. When techniques such as hypnosis and the cognitive interview are used to enhance a witness's memory, the amount of new information recalled turns out to be a mixture of accurate and inaccurate information. Furthermore, once accurate and inaccurate information ...

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