Artificial mosaic brain evolution of relative telencephalon size improves inhibitory control abilities in the guppy ( Poecilia reticulata )
| العنوان: | Artificial mosaic brain evolution of relative telencephalon size improves inhibitory control abilities in the guppy ( Poecilia reticulata ) |
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| المؤلفون: | Niclas Kolm, Zegni Triki, Mirjam Amcoff, Stephanie Fong |
| المصدر: | Evolution. 76:128-138 |
| بيانات النشر: | Wiley, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Male, Telencephalon, Poecilia, biology, Cerebrum, Cognitive evolution, Brain, Cognition, biology.organism_classification, Guppy, medicine.anatomical_structure, Inhibitory control, Genetics, medicine, Animals, Fish |
| الوصف: | Mosaic brain evolution, the change in the size of separate brain regions in response to selection on cognitive performance, is an important idea in the field of cognitive evolution. However, untill now, most of the data on how separate brain regions respond to selection and their cognitive consequences stem from comparative studies. To experimentally investigate the influence of mosaic brain evolution on cognitive ability, we used male guppies artificially selected for large and small telencephalons relative to the rest of the brain. Here, we tested an important aspect of executive cognitive ability using a detour task. We found that males with larger telencephalons outperformed males with smaller telencephalons. Fish with larger telencephalons showed faster improvement in performance during detour training and were more successful in reaching the food reward without touching the transparent barrier (i.e., through correct detouring) during the test phase. Together, our findings provide the first experimental evidence showing that evolutionary enlargement of relative telencephalon size confers cognitive benefits, supporting an important role for mosaic brain evolution during cognitive evolution. |
| تدمد: | 1558-5646 0014-3820 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83190d1712d2d4bc8189d1112163e17c https://doi.org/10.1111/evo.14405 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....83190d1712d2d4bc8189d1112163e17c |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 15585646 00143820 |
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