ArticlePloS one2022
Functional dissociation along the rostrocaudal axis of Japanese quail hippocampus.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 6 citations in OpenAlex.
- Novel object recognition in the dorsomedial and ventral hippocampus of young domestic chicks (Gallus gallus).Brain structure & function · 2026Article
- Topography of inputs into the hippocampal formation of a food-caching bird.The Journal of comparative neurology · 2023Article
- An entorhinal-like region in food-caching birds.Current biology : CB · 2023Article
- Topography of inputs into the hippocampal formation of a food-caching bird.bioRxiv : the preprint server for biology · 2023Article
- An entorhinal-like region in food-caching birds.bioRxiv : the preprint server for biology · 2023Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
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Abstract
The mammalian hippocampus (Hp) can be functionally segregated along its septotemporal axis, with involvement of dorsal hippocampus (dHp) in spatial memory and ventral hippocampus (vHp) in stress responses and emotional behaviour. In the present study, we investigate comparable functional segregation in proposed homologues within the avian brain. Using Japanese quail (Coturnix Japonica), we report that bilateral lesions of the rostral hippocampus (rHp) produce robust deficits in a spatial Y-maze discrimination (YMD) test while sparing performance during contextual fear conditioning (CFC), comparable to results from lesions to homologous regions in mammals. In contrast, caudal hippocampus (cHp) lesions failed to produce deficits in either CFC or YMD, suggesting that, unlike mammals, both cHp and rHp of birds can support emotional behavior. These observations demonstrate functional segregation along the rostrocaudal axis of the avian Hp that is comparable in part to distinctions seen along the mammalian hippocampal septotemporal axis.
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