Gilbert Roberts
Overview
Explore the profile of Gilbert Roberts including associated specialties, affiliations and a list of published articles.
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Articles
23
Citations
475
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0
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Recent Articles
1.
Roberts G, Petrie M
Sci Rep
. 2022 Jul;
12(1):12613.
PMID: 35871224
Sexual selection is the process by which traits providing a mating advantage are favoured. Theoretical treatments of the evolution of sex by sexual selection propose that it operates by reducing...
2.
Manrique H, Zeidler H, Roberts G, Barclay P, Walker M, Samu F, et al.
Philos Trans R Soc Lond B Biol Sci
. 2021 Oct;
376(1838):20200287.
PMID: 34601920
Humans care about having a positive reputation, which may prompt them to help in scenarios where the return benefits are not obvious. Various game-theoretical models support the hypothesis that concern...
3.
Barclay P, Bird R, Roberts G, Szamado S
Philos Trans R Soc Lond B Biol Sci
. 2021 Oct;
376(1838):20200292.
PMID: 34601912
Social organisms often need to know how much to trust others to cooperate. Organisms can expect cooperation from another organism that depends on them (i.e. stake or fitness interdependence), but...
4.
Roberts G, Raihani N, Bshary R, Manrique H, Farina A, Samu F, et al.
Philos Trans R Soc Lond B Biol Sci
. 2021 Oct;
376(1838):20200290.
PMID: 34601903
When one individual helps another, it benefits the recipient and may also gain a reputation for being cooperative. This may induce others to favour the helper in subsequent interactions, so...
5.
Roberts G
Curr Biol
. 2020 Apr;
30(7):R307-R309.
PMID: 32259502
In theory, reciprocal relationships should develop gradually, to reduce the risk of helpers being exploited. In a classic case of reciprocity, vampire bats share blood with starving roost-mates. Now it...
6.
Roberts G
Behav Brain Sci
. 2017 Mar;
40:e41.
PMID: 28327252
Maestripieri et al. provide an important service in highlighting prosocial biases toward attractive people from a cross-disciplinary perspective. Here I comment on the conceptual and critical side of their review...
7.
Roberts G
PLoS One
. 2015 Jun;
10(6):e0129442.
PMID: 26057241
Indirect reciprocity potentially provides an important means for generating cooperation based on helping those who help others. However, the use of 'image scores' to summarize individuals' past behaviour presents a...
8.
Roberts G
Curr Biol
. 2015 May;
25(10):R425-7.
PMID: 25989085
An analysis of online charity donations reveals that, when males make large donations to attractive female fundraisers, other males respond in kind, providing field evidence for 'competitive altruism' in which...
9.
Roberts G
PLoS One
. 2013 Mar;
8(3):e57378.
PMID: 23483907
Explaining cooperation in groups remains a key problem because reciprocity breaks down between more than two. Punishing individuals who contribute little provides a potential answer but changes the dilemma to...
10.
Roberts G
Behav Brain Sci
. 2013 Mar;
36(1):97-8.
PMID: 23445597
Baumard et al. argue that partner choice leads to fairness and mutualism, which then form the basis for morality. I comment that mutualism takes us only so far, and I...