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KMID : 0357820150390040115
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Korean Journal of Legal Medicine
2015 Volume.39 No. 4 p.115 ~ p.119
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Estimation of Eyewitness Identification Accuracy by Event-Related Potentials
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Ham Keun-Soo
Pyo Ju-yeon
Jang Tae-Ik
Yoo Seong-Ho
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Abstract
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We investigated event-related potentials (ERPs) to estimate the accuracy of eyewitness memories. Participants watched videos of vehicles being driven dangerously, from an anti-impaired driving initiative. The four-letter license plates of the vehicles were the target stimuli. Random numbers were presented while participants attempted to identify the license plate letters, and electroencephalograms were recorded. There was a significant difference in activity 300-500 milliseconds after stimulus onset, between target stimuli and random numbers. This finding contributes to establishing an eyewitness recognition model where different ERP components may reflect more explicit memory that is dissociable from recollection.
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KEYWORD
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Electroencephalogram, Event-related potentials, P300, Witness, Memory, Recognition
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