Publikation: Importance of the hippocampus for the learning of route fidelity in homing pigeons
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The avian hippocampal formation (HF) is thought to regulate map-like memory representations of visual landmarks/landscape features and has more recently been suggested to be similarly important for the perceptual integration of landmarks/landscapes. Aspects of spatial memory and perception likely combine to support the now well-documented ability of homing pigeons to learn to retrace the same route when homing from familiar locations, leading to the prediction that damage to the HF would result in a diminished ability to repeatedly fly a similar route home. HF-lesioned homing pigeons were repeatedly released from three sites to assess the importance of the hippocampus as pigeons gradually learn a familiar route home guided by familiar landmark and landscape features. As expected, control pigeons displayed increasing fidelity to a familiar route home, and by inference, successful perceptual and memory processing of familiar landmarks/landscape features. By contrast, the impoverished route fidelity of the HF-lesioned pigeons indicated an impaired sensitivity to the same landmark/landscape features.
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GAGLIARDO, Anna, Enrica POLLONARA, Giovanni CASINI, Maria Grazia ROSSINO, Martin WIKELSKI, Verner P. BINGMAN, 2020. Importance of the hippocampus for the learning of route fidelity in homing pigeons. In: Biology Letters. Royal Society of London. 2020, 16(7), 20200095. ISSN 1744-9561. eISSN 1744-957X. Available under: doi: 10.1098/rsbl.2020.0095BibTex
@article{Gagliardo2020-07-29Impor-50578, year={2020}, doi={10.1098/rsbl.2020.0095}, title={Importance of the hippocampus for the learning of route fidelity in homing pigeons}, number={7}, volume={16}, issn={1744-9561}, journal={Biology Letters}, author={Gagliardo, Anna and Pollonara, Enrica and Casini, Giovanni and Rossino, Maria Grazia and Wikelski, Martin and Bingman, Verner P.}, note={Article Number: 20200095} }
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