Abstract:
:In this paper, we show that differences in dominance and spatial centrality of individuals in a group may arise through self-organisation. Our instrument is a model, called DomWorld, that represents two traits that are often found in animals, namely grouping and competing. In this model individual differences grow under the following conditions: (1) when the intensity of aggression increases and grouping becomes denser, (2) when the degree of sexual dimorphism in fighting power increases. In this case the differences among females compared to males grow too, (3) when, upon encountering another individual, the tendency to attack is 'obligate' and not conditional, namely 'sensitive to risks'. Results resemble phenomena described for societies of primates, mice, birds and pigs.
journal_name
Neurosci Biobehav Revjournal_title
Neuroscience and biobehavioral reviewsauthors
Hemelrijk CK,Wantia Jdoi
10.1016/j.neubiorev.2004.07.003subject
Has Abstractpub_date
2005-02-01 00:00:00pages
125-36issue
1eissn
0149-7634issn
1873-7528pii
S0149-7634(04)00156-3journal_volume
29pub_type
杂志文章abstract::The diagnosis of fetal alcohol spectrum disorder is a difficult task, especially in cases where clear, physical markers of in utero alcohol exposure are not apparent. Reviewed in the following paper are some older tools for screening alcohol use in pregnancy and present novel approaches to the diagnosis of FASD, inclu...
journal_title:Neuroscience and biobehavioral reviews
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journal_title:Neuroscience and biobehavioral reviews
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