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In a Registered Report, Horne et al. report a sham-controlled, 5-day tDCS intervention paired with cognitive training, and found evidence against tDCS-induced training enhancement or transfer to untrained tasks.
In this Registered Report, Berens et al. demonstrate that forgetting predominantly involves losses in memory accessibility with little or no change in memory precision.
An influential 2005 study by Kosfeld et al. suggested that oxytocin increases trust in strangers. This registered replication study by some of the original authors found no effect of oxytocin on trusting behaviour under the same conditions.