Evidence map›Paper›PMID 26925331›Full record

ArticlePeerJ2016

Western scrub-jays do not appear to attend to functionality in Aesop's Fable experiments.

Corina J Logan, Brigit D Harvey, Barney A Schlinger, Michelle Rensel

Abstract read
In one paragraph

Article in PeerJ, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
–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

10 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Corina J LoganSAGE Center for the Study of the Mind, University of California, Santa Barbara, CA, United States; Current affiliation: Department of Zoology, University of Cambridge, Cambridge, United Kingdom.
Brigit D HarveyDepartment of Integrative Biology and Physiology, University of California , Los Angeles, CA , United States.
Barney A SchlingerDepartment of Integrative Biology and Physiology, University of California, Los Angeles, CA, United States; Laboratory of Neuroendocrinology, Brain Research Institute, University of California, Los Angeles, CA, United States; Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States.
Michelle RenselDepartment of Integrative Biology and Physiology, University of California , Los Angeles, CA , United States.

Funding

NEURAL STEROIDOGENIC ENZYMES AND BRAIN FUNCTIONR01MH061994 · NIMH · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI SCHLINGER, BARNETT ALAN · 2000 to 2014
$4.1M
NIMH NIH HHS R01 MH061994
6 · The paper itself

Abstract

Western scrub-jays are known for their highly discriminatory and flexible behaviors in a caching (food storing) context. However, it is unknown whether their cognitive abilities are restricted to a caching context. To explore this question, we tested scrub-jays in a non-caching context using the Aesop's Fable paradigm, where a partially filled tube of water contains a floating food reward and objects must be inserted to displace the water and bring the food within reach. We tested four birds, but only two learned to drop stones proficiently. Of these, one bird participated in 4/5 experiments and one in 2/5 experiments. Both birds passed one experiment, but without attending to the functional differences of the objects, and failed the other experiments. Scrub-jays were not motivated to participate in these experiments, suggesting that either this paradigm was ecologically irrelevant or perhaps their flexibility is restricted to a caching context.

Indexed as

Aesop’s FableComparative cognitionFlexible behaviorNon-caching paradigmWestern scrub-jay

Identifiers

PMID26925331
PMCPMC4768697

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.