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Gershman SJ, Monfils M-H, Norman KA, Niv Y. 2017. The computational nature of memory modification. eLife 6:e23763. doi: 10.7554/eLife.23763.

Published 15, March 2017

A reader recently pointed out two errors in the originally published article.

In Figure 10, the schematic incorrectly described the experiment and simulation. The protein synthesis inhibitor was injected after conditioning, not at the time of retrieval. The schematic has been corrected. The error does not substantively change the scientific conclusions. The caption of Figure 10 has been corrected as follows:

“The amnestic affect of PSI administration after conditioning can be reversed by readministering the PSI at the time of test.”

Likewise, the text incorrectly stated that the protein synthesis inhibitor was injected at the time of retrieval. The text has now been corrected as follows:

“As in previous studies, the authors found that post-conditioning PSI administration disrupted the CR at test; the novel twist was that administering the PSI both immediately after conditioning and immediately before test eliminated the disruptive effect.”

The corrected Figure 10 is shown here:

The originally published Figure 10 is also shown for reference:

Owing to a production error the following sentence after equation 10 was erroneously omitted from the published version:

“where Φ(;r~t,λ) is the Gaussian cumulative distribution function with mean r~t and variance λ. One way to understand Eq. 10 is that the animal’s conditioned response corresponds to its expectation that the US is greater than some threshold, θ. When λ=σr2 (the US variance), Eq. 10 corresponds precisely to the posterior probability that the US exceeds θ:”

This sentence has now been added back.

The article has been corrected accordingly.

Article and author information

Author details

  1. Marie-H Monfils

  2. Kenneth A Norman

Version history

  1. Received: May 16, 2017
  2. Accepted: May 16, 2017
  3. Version of Record published: May 22, 2017 (version 1)


© 2017, Gershman et al.

This article is distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use and redistribution provided that the original author and source are credited.


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  1. Samuel J Gershman
  2. Marie-H Monfils
  3. Kenneth A Norman
  4. Yael Niv
Correction: The computational nature of memory modification
eLife 6:e28693.