Personality variation is eroded by simple social behaviours in collective foragers.

The movement of groups can be heavily influenced by 'leader' individuals who differ from the others in some way. A major source of differences between individuals is the repeatability and consistency of their behaviour, commonly considered as their 'personality', which can influe...

Full description

Bibliographic Details
Main Authors: Sean A Rands, Christos C Ioannou
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2023-03-01
Series:PLoS Computational Biology
Online Access:https://doi.org/10.1371/journal.pcbi.1010908
_version_ 1811155457096548352
author Sean A Rands
Christos C Ioannou
author_facet Sean A Rands
Christos C Ioannou
author_sort Sean A Rands
collection DOAJ
description The movement of groups can be heavily influenced by 'leader' individuals who differ from the others in some way. A major source of differences between individuals is the repeatability and consistency of their behaviour, commonly considered as their 'personality', which can influence both position within a group as well as the tendency to lead. However, links between personality and behaviour may also depend upon the immediate social environment of the individual; individuals who behave consistently in one way when alone may not express the same behaviour socially, when they may be conforming with the behaviour of others. Experimental evidence shows that personality differences can be eroded in social situations, but there is currently a lack of theory to identify the conditions where we would expect personality to be suppressed. Here, we develop a simple individual-based framework considering a small group of individuals with differing tendencies to perform risky behaviours when travelling away from a safe home site towards a foraging site, and compare the group behaviours when the individuals follow differing rules for aggregation behaviour determining how much attention they pay to the actions of their fellow group-members. We find that if individuals pay attention to the other members of the group, the group will tend to remain at the safe site for longer, but then travel faster towards the foraging site. This demonstrates that simple social behaviours can result in the repression of consistent inter-individual differences in behaviour, giving the first theoretical consideration of the social mechanisms behind personality suppression.
first_indexed 2024-04-10T04:34:16Z
format Article
id doaj.art-d6eefbb4598c4220b1ff8ee4a51b5320
institution Directory Open Access Journal
issn 1553-734X
1553-7358
language English
last_indexed 2024-04-10T04:34:16Z
publishDate 2023-03-01
publisher Public Library of Science (PLoS)
record_format Article
series PLoS Computational Biology
spelling doaj.art-d6eefbb4598c4220b1ff8ee4a51b53202023-03-10T05:31:31ZengPublic Library of Science (PLoS)PLoS Computational Biology1553-734X1553-73582023-03-01193e101090810.1371/journal.pcbi.1010908Personality variation is eroded by simple social behaviours in collective foragers.Sean A RandsChristos C IoannouThe movement of groups can be heavily influenced by 'leader' individuals who differ from the others in some way. A major source of differences between individuals is the repeatability and consistency of their behaviour, commonly considered as their 'personality', which can influence both position within a group as well as the tendency to lead. However, links between personality and behaviour may also depend upon the immediate social environment of the individual; individuals who behave consistently in one way when alone may not express the same behaviour socially, when they may be conforming with the behaviour of others. Experimental evidence shows that personality differences can be eroded in social situations, but there is currently a lack of theory to identify the conditions where we would expect personality to be suppressed. Here, we develop a simple individual-based framework considering a small group of individuals with differing tendencies to perform risky behaviours when travelling away from a safe home site towards a foraging site, and compare the group behaviours when the individuals follow differing rules for aggregation behaviour determining how much attention they pay to the actions of their fellow group-members. We find that if individuals pay attention to the other members of the group, the group will tend to remain at the safe site for longer, but then travel faster towards the foraging site. This demonstrates that simple social behaviours can result in the repression of consistent inter-individual differences in behaviour, giving the first theoretical consideration of the social mechanisms behind personality suppression.https://doi.org/10.1371/journal.pcbi.1010908
spellingShingle Sean A Rands
Christos C Ioannou
Personality variation is eroded by simple social behaviours in collective foragers.
PLoS Computational Biology
title Personality variation is eroded by simple social behaviours in collective foragers.
title_full Personality variation is eroded by simple social behaviours in collective foragers.
title_fullStr Personality variation is eroded by simple social behaviours in collective foragers.
title_full_unstemmed Personality variation is eroded by simple social behaviours in collective foragers.
title_short Personality variation is eroded by simple social behaviours in collective foragers.
title_sort personality variation is eroded by simple social behaviours in collective foragers
url https://doi.org/10.1371/journal.pcbi.1010908
work_keys_str_mv AT seanarands personalityvariationiserodedbysimplesocialbehavioursincollectiveforagers
AT christoscioannou personalityvariationiserodedbysimplesocialbehavioursincollectiveforagers