期刊
CURRENT BIOLOGY
卷 32, 期 1, 页码 210-+出版社
CELL PRESS
DOI: 10.1016/j.cub.2021.10.036
关键词
-
资金
- NSF [IOS 1856181, IOS 1351295, RoL 1928891]
- Rose Postdoctoral Fellowship from the Cornell Lab of Ornithology
This study investigates the genetic basis of individual variation in spatial cognition in non-migratory food-caching birds and identifies candidate genes associated with this cognitive ability. These findings provide a critical link connecting individual variation in spatial cognition with natural selection.
Spatial cognition is used by most organisms to navigate their environment. Some species rely particularly heavily on specialized spatial cognition to survive, suggesting that a heritable component of cognition may be under natural selection. This idea remains largely untested outside of humans, perhaps because cognition in general is known to be strongly affected by learning and experience.(1-4) We investigated the genetic basis of individual variation in spatial cognition used by non-migratory food-caching birds to recover food stores and survive harsh montane winters. Comparing the genomes of wild, free-living birds ranging from best to worst in their performance on a spatial cognitive task revealed significant associations with genes involved in neuron growth and development and hippocampal function. These results identify candidate genes associated with differences in spatial cognition and provide a critical link connecting individual variation in spatial cognition with natural selection.
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