Neural Context Reinstatement Predicts Memory Misattribution
What causes new information to be mistakenly attributed to an old experience? Some theories predict that reinstating the context of a prior experience allows new information to be bound to that context, leading to source memory confusion. To examine this prediction, we had human participants study t...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | en_US |
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Society for Neuroscience
2014
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| Online Access: | http://hdl.handle.net/1721.1/83867 |
| _version_ | 1811095996638167040 |
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| author | Gershman, Samuel J. Schapiro, Anna C. Hupbach, Almut Norman, Kenneth A. |
| author2 | Massachusetts Institute of Technology. Department of Brain and Cognitive Sciences |
| author_facet | Massachusetts Institute of Technology. Department of Brain and Cognitive Sciences Gershman, Samuel J. Schapiro, Anna C. Hupbach, Almut Norman, Kenneth A. |
| author_sort | Gershman, Samuel J. |
| collection | MIT |
| description | What causes new information to be mistakenly attributed to an old experience? Some theories predict that reinstating the context of a prior experience allows new information to be bound to that context, leading to source memory confusion. To examine this prediction, we had human participants study two lists of items (visual objects) on separate days while undergoing functional magnetic resonance imaging. List 1 items were accompanied by a stream of scene images during the intertrial interval, but list 2 items were not. As in prior work by Hupbach et al. (2009), we observed an asymmetric pattern of misattributions on a subsequent source memory test: participants showed a strong tendency to misattribute list 2 items to list 1 but not vice versa. We hypothesized that these memory errors were due to participants reinstating the list 1 context during list 2. To test this hypothesis, we used a pattern classifier to measure scene-related neural activity during list 2 study. Because scenes were visually present during list 1 but not list 2, scene-related activity during list 2 study can be used as a time-varying neural indicator of how much participants were reinstating the list 1 context during list 2 study. In keeping with our hypothesis, we found that prestimulus scene activation during the study of list 2 items was significantly higher for items subsequently misattributed to list 1 than for items subsequently correctly attributed to list 2. We conclude by discussing how these findings relate to theories of memory reconsolidation. |
| first_indexed | 2024-09-23T16:36:41Z |
| format | Article |
| id | mit-1721.1/83867 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T16:36:41Z |
| publishDate | 2014 |
| publisher | Society for Neuroscience |
| record_format | dspace |
| spelling | mit-1721.1/838672022-09-29T20:18:11Z Neural Context Reinstatement Predicts Memory Misattribution Gershman, Samuel J. Schapiro, Anna C. Hupbach, Almut Norman, Kenneth A. Massachusetts Institute of Technology. Department of Brain and Cognitive Sciences Gershman, Samuel J. What causes new information to be mistakenly attributed to an old experience? Some theories predict that reinstating the context of a prior experience allows new information to be bound to that context, leading to source memory confusion. To examine this prediction, we had human participants study two lists of items (visual objects) on separate days while undergoing functional magnetic resonance imaging. List 1 items were accompanied by a stream of scene images during the intertrial interval, but list 2 items were not. As in prior work by Hupbach et al. (2009), we observed an asymmetric pattern of misattributions on a subsequent source memory test: participants showed a strong tendency to misattribute list 2 items to list 1 but not vice versa. We hypothesized that these memory errors were due to participants reinstating the list 1 context during list 2. To test this hypothesis, we used a pattern classifier to measure scene-related neural activity during list 2 study. Because scenes were visually present during list 1 but not list 2, scene-related activity during list 2 study can be used as a time-varying neural indicator of how much participants were reinstating the list 1 context during list 2 study. In keeping with our hypothesis, we found that prestimulus scene activation during the study of list 2 items was significantly higher for items subsequently misattributed to list 1 than for items subsequently correctly attributed to list 2. We conclude by discussing how these findings relate to theories of memory reconsolidation. 2014-01-10T19:53:53Z 2014-01-10T19:53:53Z 2013-05 2013-02 Article http://purl.org/eprint/type/JournalArticle 0270-6474 1529-2401 http://hdl.handle.net/1721.1/83867 Gershman, S. J., A. C. Schapiro, A. Hupbach, and K. A. Norman. “Neural Context Reinstatement Predicts Memory Misattribution.” Journal of Neuroscience 33, no. 20 (May 15, 2013): 8590-8595. en_US http://dx.doi.org/10.1523/jneurosci.0096-13.2013 Journal of Neuroscience Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf Society for Neuroscience Society for Neuroscience |
| spellingShingle | Gershman, Samuel J. Schapiro, Anna C. Hupbach, Almut Norman, Kenneth A. Neural Context Reinstatement Predicts Memory Misattribution |
| title | Neural Context Reinstatement Predicts Memory Misattribution |
| title_full | Neural Context Reinstatement Predicts Memory Misattribution |
| title_fullStr | Neural Context Reinstatement Predicts Memory Misattribution |
| title_full_unstemmed | Neural Context Reinstatement Predicts Memory Misattribution |
| title_short | Neural Context Reinstatement Predicts Memory Misattribution |
| title_sort | neural context reinstatement predicts memory misattribution |
| url | http://hdl.handle.net/1721.1/83867 |
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