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How we transmit memories to other brains: constructing shared neural representations via communication

A. Zadbood, J. Chen, Y.C. Leong, K.A. Norman, U. Hasson
doi: https://doi.org/10.1101/081208
A. Zadbood
1Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
2Department of Psychology, Princeton University, Princeton, NJ, 08544, USA
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  • For correspondence: azadbood@princeton.edu
J. Chen
1Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
2Department of Psychology, Princeton University, Princeton, NJ, 08544, USA
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Y.C. Leong
3Department of Psychology, Stanford University, Stanford, CA, 94305, USA
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K.A. Norman
1Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
2Department of Psychology, Princeton University, Princeton, NJ, 08544, USA
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U. Hasson
1Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
2Department of Psychology, Princeton University, Princeton, NJ, 08544, USA
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Abstract

Humans are able to mentally construct an episode when listening to another person’s recollection, even though they themselves did not experience the events. However, it is unknown how strongly the neural patterns elicited by mental construction resemble those found in the brain of the individual who experienced the original events. Using fMRI and a verbal communication task, we traced how neural patterns associated with viewing specific scenes in a movie are encoded, recalled, and then transferred to a group of naïve listeners. By comparing neural patterns across the three conditions, we report, for the first time, that event-specific neural patterns observed in the default mode network are shared across the encoding, recall, and construction of the same real-life episode. This study uncovers the intimate correspondences between memory encoding and event construction, and highlights the essential role our common language plays in the process of transmitting one's memories to other brains.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted January 30, 2017.
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How we transmit memories to other brains: constructing shared neural representations via communication
A. Zadbood, J. Chen, Y.C. Leong, K.A. Norman, U. Hasson
bioRxiv 081208; doi: https://doi.org/10.1101/081208
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How we transmit memories to other brains: constructing shared neural representations via communication
A. Zadbood, J. Chen, Y.C. Leong, K.A. Norman, U. Hasson
bioRxiv 081208; doi: https://doi.org/10.1101/081208

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