MedicalResearch.com Interview with: Roi Levy The Leslie and Susan Gonda (Goldschmied) Multidisciplinary Brain Research Center, The Mina and Everard Goodman Faculty of Life Sciences Bar Ilan University Ramat Gan, IsraelMedicalResearch.com: What is the background for this study? Response: Long-term memory after an experience takes many hours to be reach its final form. During the consolidation period, the nascent memory is labile: the consolidation can be interrupted by new experiences, or new experiences that are too insignificant to be remembered can capture the consolidation process, and thereby be remembered. To avoid potentially maladaptive interactions between a new experience and consolidation, a major portion of the consolidation is deferred to the time in which we sleep, when new experiences are unlikely. For over 100 years, studies have demonstrated that sleep improves memory formation. More recent studies have shown that consolidation occurs during sleep, and that consolidation depends on the synthesis of products that support memory formation. Consolidation is unlikely to be shut off immediately when we are awakened from sleep. At this time, even a transient experience could capture the consolidation, leading to a long-lasting memory of an event that should not be remembered, or could interfere with the consolidation. We have identified a mechanism that prevents long-term memories from being formed by experiences that occur when awakened from sleep.
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