Evidence map›Paper›PMID 39937295›Full record

ArticleAnimal cognition2025

What is the nature of cache memory in Parids? A comment on Chettih et al. 2024.

Tom V Smulders, Sen Cheng

Erratum issuedAbstract readLetter
In one paragraph

Article in Animal cognition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors.

Tom V SmuldersSchool of Psychology, Newcastle University, Newcastle upon Tyne, UK. tom.smulders@newcastle.ac.uk.ORCID http://orcid.org/0000-0002-6673-7596
Sen ChengInstitute for Neural Computation, Ruhr University Bochum, Bochum, Germany.ORCID http://orcid.org/0000-0002-6719-8029

Funding

Deutsche Forschungsgemeinschaft project number 316803389- SFB 1280; subproject F01
6 · The paper itself

Abstract

Recent findings by Chettih et al. (Cell 187: 1922-1935, 2024) from electrophysiological recordings in the hippocampus of black-capped chickadees shed light on the debate about how food-hoarding Parids may remember their cache sites. When birds retrieve caches, a "bar code" is reactivated, which is very similar to the code generated when the same cache was made. The current evidence suggests that this bar code is only triggered after the bird starts to retrieve the cache, and not in anticipation. This finding is more consistent with cued recall than with free recall of cache locations.

Indexed as

Feeding BehaviorMemorySongbirdsAnimalsCuesMental RecallChickadeeCued recallFamiliarityFood-hoarding birdsFree recallParidaeRecollection

Identifiers

PMID39937295
PMCPMC11821683

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.