| Autor: |
Miendlarzewska, Ewa |
| Přispěvatelé: |
Bavelier, Daphné, Schwartz, Sophie |
| Jazyk: |
angličtina |
| Rok vydání: |
2016 |
| Předmět: |
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| Popis: |
I examined the relationship between reward motivation and hippocampus-dependent declarative memory formation. Learning can be modulated by reward through an interaction between the dopaminergic reward circuit and the hippocampus. In 2 experiments on healthy human volunteers, I tested whether memory formation can be enhanced by stretching monetary-reward motivation through processes of memory reactivation and generalization. The first fMRI experiment tested the effect of reward conditioning on hippocampus-dependent learning in a subsequent non-rewarded visuo-spatial learning task. I observed semantic generalization of reward response in the neural reward circuit and a two-fold effect of reward on learning task recall 24h later: memory for associations was impaired but source memory was enhanced for items with a history of high reward. A second behavioral experiment investigated latent effects of reward motivation on associative memory after forgetting. I found lingering effects of initial monetary reward on response confidence, response times and faster relearning. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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