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Reward Does Not Modulate Forgetting in Free Recall Tests
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Hellerstedt, Robin; Talmi, Deborah – Learning & Memory, 2022
Reward is thought to attenuate forgetting through the automatic effect of dopamine on hippocampal memory traces. Here we report a conceptual replication of previous results where we did not observe this effect of reward. Participants encoded eight lists of pictures and recalled picture content immediately or the next day. They were informed that…
Descriptors: Rewards, Recall (Psychology), Brain Hemisphere Functions, Memory
Adolescent-Specific Memory Effects: Evidence from Working Memory, Immediate and Long-Term Recognition Memory Performance in 8-30 Yr Olds
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Skalaban, Lena J.; Cohen, Alexandra O.; Conley, May I.; Lin, Qi; Schwartz, Garrett N.; Ruiz-Huidobro, Nicholas A. M.; Cannonier, Tariq; Martinez, Steven A.; Casey, B. J. – Learning & Memory, 2022
Working memory and recognition memory develop across adolescence, but the relationship between them is not fully understood. We investigated associations between n-back task performance and subsequent recognition memory in a community sample (8-30 yr, n = 150) using tasks from the Adolescent Brain Cognitive Development Study (ABCD Study) to…
Descriptors: Adolescents, Short Term Memory, Recognition (Psychology), Adults
The Key to Superior Memory Encoding under Stress: The Relationship between Cortisol Response and Mnemonic Discrimination
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Szollosi, Ágnes; Kéri, Szabolcs; Racsmány, Mihály – Learning & Memory, 2022
Some previous studies have shown that increased stress hormone levels have beneficial effects on memory encoding; however, there is no clear consensus on which encoding-related processes are affected by stress hormones. In the present study, we investigated the relationship between interindividual differences in neuroendocrine response to acute…
Descriptors: Memory, Cognitive Processes, Stress Variables, Recognition (Psychology)
Transection of the Ventral Hippocampal Commissure Impairs Spatial Reference but Not Contextual or Spatial Working Memory
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Jordan, Jake T.; Tong, Yi; Pytte, Carolyn L. – Learning & Memory, 2022
Plasticity is a neural phenomenon in which experience induces long-lasting changes to neuronal circuits and is at the center of most neurobiological theories of learning and memory. However, too much plasticity is maladaptive and must be balanced with substrate stability. Area CA3 of the hippocampus provides such a balance via hemispheric…
Descriptors: Spatial Ability, Brain Hemisphere Functions, Memory, Learning Processes