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Zhou, Wenxi; Chen, Haoyu; Yang, Jiongjiong – Learning & Memory, 2018
How to improve our episodic memory is an important issue in the field of memory. In the present study, we used a discriminative learning paradigm that was similar to a paradigm used in animal studies. In Experiment 1, a picture (e.g., a dog) was either paired with an identical picture, with a similar picture of the same concept (e.g., another…
Descriptors: Memory, Pictorial Stimuli, Eye Movements, Cognitive Processes
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Leal, Stephanie L.; Ferguson, Lorena A.; Harrison, Theresa M.; Jagust, William J. – Learning & Memory, 2019
Most tasks test memory within the same day, however, most forgetting occurs after 24 h. Further, testing memory for simple words or objects does not mimic real-world memory experiences. We designed a memory task showing participants video clips of everyday kinds of experiences, including positive, negative, and neutral stimuli, and tested memory…
Descriptors: Memory, Alzheimers Disease, Stimuli, Recognition (Psychology)
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Reichelt, Amy C.; Morris, Margaret J.; Westbrook, Reginald Frederick – Learning & Memory, 2016
High sugar diets reduce hippocampal neurogenesis, which is required for minimizing interference between memories, a process that involves "pattern separation." We provided rats with 2 h daily access to a sucrose solution for 28 d and assessed their performance on a spatial memory task. Sucrose consuming rats discriminated between objects…
Descriptors: Animals, Spatial Ability, Control Groups, Memory
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Johnson, Sarah A.; Sacks, Patricia K.; Turner, Sean M.; Gaynor, Leslie S.; Ormerod, Brandi K.; Maurer, Andrew P.; Bizon, Jennifer L.; Burke, Sara N. – Learning & Memory, 2016
Hippocampal-dependent episodic memory and stimulus discrimination abilities are both compromised in the elderly. The reduced capacity to discriminate between similar stimuli likely contributes to multiple aspects of age-related cognitive impairment; however, the association of these behaviors within individuals has never been examined in an animal…
Descriptors: Brain Hemisphere Functions, Animals, Models, Tests