Brain Laterality: The Asymmetry of the Brain

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Life Sciences".

Deadline for manuscript submissions: closed (25 December 2022) | Viewed by 2182

Special Issue Editors

1. School of Zoology, Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
2. Institute for Land Water and Society, Charles Sturt University, P.O. Box 789, Elizabeth Mitchell Drive, Albury, NSW 2642, Australia
Interests: behavioral ecology; brain laterality; conservation biology; herpetology, hormones & behavior

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Guest Editor
Ben Gurion University of the Negev-Eilat Campus, P. O. Box 272, 88106, Eilat, Israel
Interests: wildlife watching; stamps; nature tours & hiking
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Special Issue Information

Dear Colleagues,

Symmetry in the brain and causes for deviations relate to the deepest properties embedded in evolution. The most recent studies of biological structures and processes, whether random (fluctuating) or systematic (directional), have been primarily focused on primates. Laterality studies consistently find evidence among vertebrates of analogous functionality and brain laterality. The morphometric, motoric, functional, and chemical asymmetry of the brain is reflected in behavioral laterality. We consider it important to study the differences and similarities of different taxa pertaining to brain asymmetries, particularly in non-humans, especially in wild animals. Our idea is to try and elucidate the characteristics that are homologous or analogous between groups. This will enable us to try to understand whether these similarities are imposed by evolutionary changes in brain morphology or derived from a common evolutionary pathway.

Dr. Guy Sion
Prof. Dr. Reuven Yosef
Guest Editors

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Keywords

  • asymmetric behavior
  • asymmetric bio-marker
  • asymmetric morphometry
  • brain laterality
  • brain asymmetry
  • breathing rate
  • digit ratio
  • digit asymmetry
  • FACS
  • fear
  • handedness
  • footedness
  • panting
  • risk
  • social status
  • stress

Published Papers (1 paper)

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Research

19 pages, 4404 KiB  
Article
Functional Hemispheric Activity and Asymmetry Markers of Effective Foreign Language Performance in 3rd-Grade, 10th-Grade, and University Students
by Valeriia Demareva
Symmetry 2022, 14(8), 1659; https://doi.org/10.3390/sym14081659 - 11 Aug 2022
Cited by 1 | Viewed by 1376
Abstract
The activity of the left hemisphere is often associated with linguistic functioning, including in a foreign language. At the same time, research results demonstrate that different structures in both hemispheres can be jointly activated in the performance of particular linguistic tasks. The current [...] Read more.
The activity of the left hemisphere is often associated with linguistic functioning, including in a foreign language. At the same time, research results demonstrate that different structures in both hemispheres can be jointly activated in the performance of particular linguistic tasks. The current study aimed to identify functional hemispheric activity and asymmetry markers for effective foreign language performance. The study sample consisted of 27 3rd-grade, 26 10th-grade, and 21 university students, all native Russian. To measure functional hemispheric asymmetry and activity before and after an English class and before an English test, we used computer laterometry in the ‘two-source’ lead–lag dichotic paradigm. The study results reveal that left hemispheric functional dominance can be considered as a marker for effective activity during an English class and an English test in 3rd-grade and 10th-grade students. In university students, right hemispheric functional dominance predicted better efficacy during the English class. Therefore, the results obtained provide evidence about different hemispheric activity and asymmetry modes for different ages of foreign language mastering, and the results may support the hypothesis about the possibility of a ‘sensitive period’ for foreign language acquisition occurring at any age. These findings can be applied to the creation of biofeedback trainings for hemispheric profile optimization when learning a foreign language and may help in creating personalized learning schedules. Full article
(This article belongs to the Special Issue Brain Laterality: The Asymmetry of the Brain)
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