ReviewNature communications2020
Interactions with conspecific outsiders as drivers of cognitive evolution.
Review in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 18 papers.
What it found
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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.
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.
Who cites it
18 citing papers in PubMed.
- Dwarf mongooses pre-emptively alter their behaviour relative to the threat posed by different rival groups.Nature ecology & evolution · 2026Article
- Close encounters of the friendly kind: pacific between-group interactions in primates.Biological reviews of the Cambridge Philosophical Society · 2025Review
- The role of musical pitch in long-distance defensive signaling.Annals of the New York Academy of Sciences · 2025Review
- The role of between-group signaling in the evolution of primate ornamentation.Evolution letters · 2024Article
- Oxygen and the Spark of Human Brain Evolution: Complex Interactions of Metabolism and Cortical Expansion across Development and Evolution.The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry · 2024Article
- Why are ravens smart? Exploring the social intelligence hypothesis.Journal of ornithology · 2024Review
- A positive effect of cumulative intergroup threat on reproductive success.Proceedings. Biological sciences · 2023Article
- Chimpanzees make tactical use of high elevation in territorial contexts.PLoS biology · 2023Article
- General cognitive performance declines with female age and is negatively related to fledging success in a wild bird.Proceedings. Biological sciences · 2022Article
- Among-individual differences in auditory and physical cognitive abilities in zebra finches.Learning & behavior · 2022Article
- Search performance and octopamine neuronal signaling mediate parasitoid induced changes in Drosophila oviposition behavior.Nature communications · 2022Article
- Fitness consequences of outgroup conflict.eLife · 2022Review
- Variation between species, populations, groups and individuals in the fitness consequences of out-group conflict.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Review
- How to behave when marooned: the behavioural component of the island syndrome remains underexplored.Biology letters · 2022Review
- Problems with using comparative analyses of avian brain size to test hypotheses of cognitive evolution.PloS one · 2022Article
- Altruism and Phenoptosis as Programs Supported by Evolution.Biochemistry. Biokhimiia · 2021Article
- Experimental evidence for delayed post-conflict management behaviour in wild dwarf mongooses.eLife · 2021Article
- Foraging efficiency in temporally predictable environments: is a long-term temporal memory really advantageous?Royal Society open science · 2021Article
Corrections and comments
- Erratum issued
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The social intelligence hypothesis (SIH) posits that within-group interactions drive cognitive evolution, but it has received equivocal support. We argue the SIH overlooks a major component of social life: interactions with conspecific outsiders. Competition for vital resources means conspecific outsiders present myriad threats and opportunities in all animal taxa across the social spectrum (from individuals to groups). We detail cognitive challenges generated by conspecific outsiders, arguing these select for 'Napoleonic' intelligence; explain potential influences on the SIH; and highlight important considerations when empirically testing these ideas. Including interactions with conspecific outsiders may substantially improve our understanding of cognitive evolution.
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Registered trials
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.