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Javadi, Amir-Homayoun; Tolat, Anisha; Spiers, Hugo J. – Learning & Memory, 2015
Sleep is thought to play an important role in memory consolidation. Here we tested whether sleep alters the subjective value associated with objects located in spatial clusters that were navigated to in a large-scale virtual town. We found that sleep enhances a generalization of the value of high-value objects to the value of locally clustered…
Descriptors: Sleep, Memory, Simulated Environment, Generalization
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Kim, Soyun; Borst, Grégoire; Thompson, William L.; Hopkins, Ramona O.; Kosslyn, Stephen M.; Squire, Larry R. – Learning & Memory, 2013
In four experiments, we explored the capacity for spatial mental imagery in patients with hippocampal lesions, using tasks that minimized the role of learning and memory. On all four tasks, patients with hippocampal lesions performed as well as controls. Nonetheless, in separate tests, the patients were impaired at remembering the materials that…
Descriptors: Spatial Ability, Memory, Brain, Injuries
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Florian, Cedrick; Mons, Nicole; Roullet, Pascal – Learning & Memory, 2006
The transcription factor cAMP response-element binding protein (CREB) has a pivotal role in hippocampal synaptic plasticity and hippocampus-dependent long-term memory. We recently demonstrated that the dorsal hippocampal CA3 region is involved in memory consolidation of spatial information tested on a Morris water maze in mice. To test whether…
Descriptors: Spatial Ability, Long Term Memory, Animals, Short Term Memory
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Herman, James F.; And Others – Developmental Psychology, 1987
Eight-, eleven-, and nineteen-year-olds' memory for spatial locations over an extended time period was assessed. Study suggested that adults remember spatial location information better than children over time because adults code location information in more organized representations and use better retrieval cues. (RWB)
Descriptors: Adolescents, Adults, Age Differences, Children
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Bhatt, Ramesh S.; Rovee-Collier, Carolyn – Child Development, 1996
Three studies, involving 72 3-month-old infants, demonstrated that infants remembered some of the original feature combinations of a mobile they had been trained to activate for up to 3 days but forgot all of them after 4 days. Even after 4 days, however, infants remembered the individual features that had entered into the original combinations.…
Descriptors: Cognitive Ability, Color, Infants, Long Term Memory
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Frey, Julietta U.; Korz, Volker; Uzakov, Shukhrat – Learning & Memory, 2005
Hippocampal long-term potentiation (LTP) can be dissociated in early-LTP lasting 4-5 h and late-LTP with a duration of more than 8 h, the latter of which requires protein synthesis and heterosynaptic activity during its induction. Previous studies in vivo have shown that early-LTP in the dentate gyrus can protein synthesis-dependently be…
Descriptors: Foreign Countries, Long Term Memory, Comparative Analysis, Brain