The role of reward and reward uncertainty in episodic memory
| Autor: | Alice Mason, Paul A Howard-Jones, Casimir J. H. Ludwig, Simon Farrell |
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| Rok vydání: | 2017 |
| Předmět: |
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Linguistics and Language Dopamine Mean squared prediction error BF Experimental and Cognitive Psychology Memory performance Affect (psychology) 050105 experimental psychology Language and Linguistics Delayed recognition 03 medical and health sciences Word learning Reward system 0302 clinical medicine Reward uncertainty Artificial Intelligence 0501 psychology and cognitive sciences Episodic memory Declarative memory ComputingMilieux_MISCELLANEOUS Reward outcome 05 social sciences Motivated learning Neuropsychology and Physiological Psychology Visual Perception Cognitive Science Psychology 030217 neurology & neurosurgery Cognitive psychology |
| Zdroj: | Mason, A, Farrell, S, Howard-Jones, P & Ludwig, C 2017, ' The role of reward and reward uncertainty in episodic memory ', Journal of Memory and Language, vol. 96, pp. 62-77 . https://doi.org/10.1016/j.jml.2017.05.003 |
| ISSN: | 0749-596X |
| DOI: | 10.1016/j.jml.2017.05.003 |
| Popis: | Declarative memory has been found to be sensitive to reward-related changes in the environment. The reward signal can be broken down into information regarding the expected value of the reward, reward uncertainty and the prediction error. Research has established that high as opposed to low reward values enhance declarative memory. Research in neuroscience suggests that high uncertainty activates the reward system, which could lead to enhanced learning and memory. Here we present the results of four behavioural experiments that examined the role of reward uncertainty in memory, independently from any other theoretically motivated reward-related effects. Participants completed motivated word learning tasks in which we varied the level of reward uncertainty and magnitude. Rewards were dependent upon memory performance in a delayed recognition test. Overall the results suggest that reward uncertainty does not affect episodic memory. Instead, only reward outcome appears to play a major role in modulating episodic memory. |
| Databáze: | OpenAIRE |
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