What do wild saiga antelopes tell us about the relative roles of the two brain hemispheres in social interactions?

A. Giljov, Y. Malashichev, K. Karenina

Результат исследований: Научные публикации в периодических изданияхстатья

1 цитирование (Scopus)

Выдержка

Two brain hemispheres are unequally involved in the processing of social stimuli, as demonstrated in a wide range of vertebrates. A considerable number of studies have shown the right hemisphere advantage for social processing. At the same time, an approach–withdrawal hypothesis, mainly based on experimental evidence, proposes the involvement of both brain hemispheres according to approach and withdrawal motivation. The present study aimed to test the relative roles of the two hemispheres in social responses displayed in a natural context. Visual biases, implicating hemispheric lateralization, were estimated in the social interactions of saiga antelope in the wild. In individually identified males, the left/right visual field use during approach and withdrawal responses was recorded based on the lateral head/body position, relative to the conspecific. Lateralized approach responses were investigated in three types of interactions, with left visual field bias found for chasing a rival, no bias—for attacking a rival, and right visual field bias—for pursuing a female. In two types of withdrawal responses, left visual field bias was found for retreating after fighting, while no bias was evident in fight rejecting. These findings demonstrate that neither the right hemisphere advantage nor the approach–withdrawal distinction can fully explain the patterns of lateralization observed in social behaviour. It is clear that both brain hemispheres play significant roles in social responses, while their relative contribution is likely determined by a complex set of motivational and emotional factors rather than a simple dichotomous distinction such as, for example, approach versus withdrawal motivation.

Язык оригиналаанглийский
Число страниц9
ЖурналAnimal Cognition
DOI
СостояниеЭлектронная публикация перед печатью - 1 янв 2019

Отпечаток

Antelopes
antelopes
Interpersonal Relations
Visual Fields
brain
Brain
Motivation
Social Behavior
social behavior
fighting
Vertebrates
vertebrate
vertebrates
Saiga
testing

Предметные области Scopus

  • Экспериментальная и когнитивная психология
  • Экология, эволюция поведение и систематика

Ключевые слова

  • Laterality Hemispheric specialization Brain asymmetry Eye preference Ungulate Contest behaviour

Цитировать

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What do wild saiga antelopes tell us about the relative roles of the two brain hemispheres in social interactions? / Giljov, A.; Malashichev, Y.; Karenina, K.

В: Animal Cognition, 01.01.2019.

Результат исследований: Научные публикации в периодических изданияхстатья

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