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The impact of sleep duration on vulnerability to false memory implantation

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  1. Introduction
  2. Method
  3. Procedure
  4. Discussion
  5. Conclusion

Many studies have been examining effects of sleep loss on developing false memory. Yet, its role in ?lost-in-the-mall' memory implantation has not been discerned. This study will investigate impact of sleep durations on vulnerability to false memory implantation, in university students. Shorter sleep is hypothesized to result in higher confidence and clarity of implanted memory. Participants will be 900 undergraduate students from Monash University. Participants will be students self-report with <6hours sleep/night (short sleepers) or >9hours sleep/night (long sleepers). Participants will complete booklet on four narratives of events (three true and one false) and rate confidence and clarity after second interview.

Short sleepers (<6hours/night) will have greater clarity and confidence ratings on implanted memory than long sleepers (>9hours/night). Shorter sleep impairs reality monitoring in brain frontal region, undermining ability to discriminate real life events and external sources. It was found that sleep quality and quantity have direct effects on recall of implanted memory among individuals.

[...] Johnson, M. K. (2006). Memory and reality. American Psychologist, 760-771. Loftus, E. F. & Pickrell, B. A. (1995). The formation of false memories. Psychiatric Annals, 25(12), 720-725. Loftus, E. F. (2003). Make-believe memories. American Psychologist, 58(11), 864-873. Mitchell, K. J. [...]

[...] & Mendelson, W. B. (2000). Sleep latency and duration estimates among sleep disorder patients: variability as a function of sleep disorder diagnosis, sleep history, and psychological characteristics. Sleep, 71-79. Zhu, B., Chen, C., Loftus, E. F., He, Q., Chen, C., Lei, X., Lin, C. & Dong, Q. (2012). Brief exposure to misinformation can lead to long-term false memories. Applied Cognitive Psychology, 301-307. [...]

[...] & Nusbaum, H. C. (2009). Reduced false memory after sleep. Learning & Memory, 509- 513. Frenda, S. J., Patihis, L., Loftus, E. F., Lewis, H. C. & Fenn K. M. (2014). Sleep deprivation and false memory. Psychological Science, 1674-1681. Howe M. L. (1998). When distinctiveness fails, false memories prevail. Journal of Experimental Child Psychology, 170-177. [...]

[...] The role of sleep in false memory formation. Neurobiology of Learning and Memory, 327-334. Pezdek, K. & Lam, S. (2007). What research paradigms have cognitive psychologists used to study ?false memory', and what are the implications of these choices? Consciousness and Cognition, 2-17. Stickgold, R. (2005). Sleep-dependent memory consolidation. Nature, 437(7063), 1272-1278. Theorell-Haglow, J., Berglund, L., Berne, C. & Lindberg, E. (2014). Both habitual short sleepers and long sleepers are at greater risk of obesity: a population-based 10-year follow-up in women. [...]

[...] Lastly, most researches use DRM paradigm and recently misinformation tasks to create false memory. No study so far have discern the role of sleep in ?lost-in-the-mall' false memory implantation technique. This study will aim to generalize the findings to naturalistic context by investigating the impact of sleep deprivation on likelihood of false memory implantation as it naturally occurs. It is hypothesized that habitual short sleepers (sleeps 9hours/night). Method Participants The participants will be 900 undergraduate students (450 males and 450 females), ranging from age 18-25. [...]

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