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- W3107386630 endingPage "107344" @default.
- W3107386630 startingPage "107344" @default.
- W3107386630 abstract "In different vertebrate species, hippocampus plays a crucial role for spatial orientation. However, even though cognitive lateralization is widespread in the animal kingdom, the lateralization of this hippocampal function has been poorly studied. The aim of the present study was to investigate the lateralization of hippocampal activation in domestic chicks, during spatial navigation in relation to free-standing objects. Two groups of chicks were trained to find food in one of the feeders located in a large circular arena. Chicks of one group solved the task using the relational spatial information provided by free-standing objects present in the arena, while the other group used the local appearance of the baited feeder as a beacon. The immediate early gene product c-Fos was employed to map neural activation of hippocampus and medial striatum of both hemispheres. Chicks that used spatial cues for navigation showed higher activation of the right hippocampus compared to chicks that oriented by local features and compared to the left hippocampus. Such differences between the two groups were not present in the left hippocampus or in the medial striatum. Relational spatial information seems thus to be selectively processed by the right hippocampus in domestic chicks. The results are discussed in light of existing evidence of hippocampal lateralization of spatial processing in chicks, with particular attention to the contrasting evidence found in pigeons." @default.
- W3107386630 created "2020-12-07" @default.
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- W3107386630 date "2021-01-01" @default.
- W3107386630 modified "2023-09-23" @default.
- W3107386630 title "Selective activation of the right hippocampus during navigation by spatial cues in domestic chicks (Gallus gallus)" @default.
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- W3107386630 doi "https://doi.org/10.1016/j.nlm.2020.107344" @default.
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