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  • Title: Measuring the activation level of critical lures in the Deese-Roediger-McDermott paradigm.
    Author: Hancock TW, Hicks JL, Marsh RL, Ritschel L.
    Journal: Am J Psychol; 2003; 116(1):1-14. PubMed ID: 12710219.
    Abstract:
    In four experiments, the activation level in memory of critical lures was assessed after encoding Deese-Roediger-McDermott (DRM) lists. The results demonstrated that studying longer, 14-item lists resulted in superadditive priming of the lures because they were more available in memory than truly studied items. Studying shorter DRM lists resulted in activation levels of the lures that was similar to studied items. Collectively, the results suggest that a first stage in creating false memories with the DRM paradigm is making the critical lures highly available in memory during list encoding. Moreover, the results suggest that false memories are likely to have occurred at the time a list is studied by a mechanism such as an implicit associative response, but a monitoring phase at retrieval is acknowledged that could be used to avoid them. Other theoretical accounts are also considered.
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