Laterality in the Damaraland Mole-Rat: Insights from a Eusocial Mammal
Lateralization is the functional control of certain behaviors in the brain being processed by either the left or right hemisphere. Behavioral asymmetries can occur at an individual and population level, although population-level lateralization is less common amongst solitary species, whereas social...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-02-01
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| Series: | Animals |
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| Online Access: | https://www.mdpi.com/2076-2615/13/4/627 |
| _version_ | 1827759104258473984 |
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| author | Paul J. Jacobs Maria K. Oosthuizen |
| author_facet | Paul J. Jacobs Maria K. Oosthuizen |
| author_sort | Paul J. Jacobs |
| collection | DOAJ |
| description | Lateralization is the functional control of certain behaviors in the brain being processed by either the left or right hemisphere. Behavioral asymmetries can occur at an individual and population level, although population-level lateralization is less common amongst solitary species, whereas social species can benefit more from aligning and coordinating their activities. We assessed laterality (individual and population) through turning biases in the eusocial Damaraland mole rat, <i>Fukomys damarensis.</i> We considered factors such as breeding status (queen or subordinate), environment (wild-caught or captive), sex (male or female), colony and body mass. All individuals together demonstrated significant left-turning biases, which was also significant at the population level. Wild-caught animals were more strongly lateralized, had a wider spread over a laterality index and lacked the population-level left-turning bias as compared to captive mole rats. Subordinate animals were more lateralized than queens, demonstrating social status differences in turning biases for social mole rats. This emphasizes the importance of animal handling and context when measuring and interpreting behavioral asymmetries. |
| first_indexed | 2024-03-11T09:16:24Z |
| format | Article |
| id | doaj.art-da3e991ffd1a4055a110d4a9c7de92ff |
| institution | Directory Open Access Journal |
| issn | 2076-2615 |
| language | English |
| last_indexed | 2024-03-11T09:16:24Z |
| publishDate | 2023-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Animals |
| spelling | doaj.art-da3e991ffd1a4055a110d4a9c7de92ff2023-11-16T18:39:17ZengMDPI AGAnimals2076-26152023-02-0113462710.3390/ani13040627Laterality in the Damaraland Mole-Rat: Insights from a Eusocial MammalPaul J. Jacobs0Maria K. Oosthuizen1Department of Zoology & Entomology, University of Pretoria, Private Bag X20, Pretoria 0028, South AfricaDepartment of Zoology & Entomology, University of Pretoria, Private Bag X20, Pretoria 0028, South AfricaLateralization is the functional control of certain behaviors in the brain being processed by either the left or right hemisphere. Behavioral asymmetries can occur at an individual and population level, although population-level lateralization is less common amongst solitary species, whereas social species can benefit more from aligning and coordinating their activities. We assessed laterality (individual and population) through turning biases in the eusocial Damaraland mole rat, <i>Fukomys damarensis.</i> We considered factors such as breeding status (queen or subordinate), environment (wild-caught or captive), sex (male or female), colony and body mass. All individuals together demonstrated significant left-turning biases, which was also significant at the population level. Wild-caught animals were more strongly lateralized, had a wider spread over a laterality index and lacked the population-level left-turning bias as compared to captive mole rats. Subordinate animals were more lateralized than queens, demonstrating social status differences in turning biases for social mole rats. This emphasizes the importance of animal handling and context when measuring and interpreting behavioral asymmetries.https://www.mdpi.com/2076-2615/13/4/627lateralitybehavioral asymmetryDamaraland mole ratsocialityeusocialturning biases |
| spellingShingle | Paul J. Jacobs Maria K. Oosthuizen Laterality in the Damaraland Mole-Rat: Insights from a Eusocial Mammal Animals laterality behavioral asymmetry Damaraland mole rat sociality eusocial turning biases |
| title | Laterality in the Damaraland Mole-Rat: Insights from a Eusocial Mammal |
| title_full | Laterality in the Damaraland Mole-Rat: Insights from a Eusocial Mammal |
| title_fullStr | Laterality in the Damaraland Mole-Rat: Insights from a Eusocial Mammal |
| title_full_unstemmed | Laterality in the Damaraland Mole-Rat: Insights from a Eusocial Mammal |
| title_short | Laterality in the Damaraland Mole-Rat: Insights from a Eusocial Mammal |
| title_sort | laterality in the damaraland mole rat insights from a eusocial mammal |
| topic | laterality behavioral asymmetry Damaraland mole rat sociality eusocial turning biases |
| url | https://www.mdpi.com/2076-2615/13/4/627 |
| work_keys_str_mv | AT pauljjacobs lateralityinthedamaralandmoleratinsightsfromaeusocialmammal AT mariakoosthuizen lateralityinthedamaralandmoleratinsightsfromaeusocialmammal |