Is the avian hippocampus a functional homologue of the mammalian hippocampus?

@article{Colombo2000IsTA,
  title={Is the avian hippocampus a functional homologue of the mammalian hippocampus?},
  author={Michael Colombo and Nicola J. Broadbent},
  journal={Neuroscience \& Biobehavioral Reviews},
  year={2000},
  volume={24},
  pages={465-484}
}
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216 Citations
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105
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216 Citations

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Analysis of the effects of hippocampal lesions on navigation find that basic navigational processes are left intact, and that at least some of the disruption of homing may be caused by disruption of the associability of information derived from the sun compass - a non-spatial deficit.
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Effects of hippocampal lesions on repeated acquisition of spatial discrimination in pigeons
Transitive Behavior in Hippocampal-Lesioned Pigeons
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The finding that the homing pigeon hippocampal formation is not necessary for solving this serial, conditional discrimination task is important for further understanding hippocampal function across species, and represents one of the few studies that have attempted to localize a brain region responsible for the phenomenon of transitive behavior learning.
A bird-brain view of episodic memory
Representing the Richness of Avian Spatial Cognition: Properties of a Lateralized Homing Pigeon Hippocampus
TLDR
Using the homing pigeon as a model species, an accumulating body of data is reviewed indicating that the avian hippocampus is functionally lateralized, and it is proposed that the available data are consistent with a hypothesis of a left hippocampus more involved in navigational processes, and a right hippocampus more involvement in representing the locations of events.
Inhibition, the final frontier: the impact of hippocampal lesions on behavioral inhibition and spatial processing in pigeons.
TLDR
Experiments 1 and 2 demonstrate that, much like the mammalian hippocampus, the avian hippocampus is critical to behavioral inhibition and spatial processing.
Neurons in the Hippocampus of Crows Lack Responses to Non-spatial Abstract Categories
TLDR
The data suggest that categorical information is not processed in the avian hippocampus, in striking contrast to previous recordings in the telencephalic association area ‘nidopallium caudolaterale’ of the same crows, in which an abundance of numerosity-selective and working memory- selective neurons were reported.
Dissociation of spatial and object memory in the hippocampal formation of Japanese quail
The Evolution of the Cognitive Map
  • L. Jacobs
  • Biology, Psychology
    Brain, Behavior and Evolution
  • 2003
TLDR
The recently proposed parallel map theory of hippocampal function provides a new perspective on the mammalian cognitive map into two dissociable mapping processes, mediated by different hippocampal subfields, and may facilitate the analysis of homologies, both in behavior and in the function of medial pallium subareas.
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References

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TLDR
Three experiments investigated the role of the pigeon hippocampal formation and the behavioural effects of hippocampal lesions in birds and mammals on short-term memory for non-spatial and spatial information, and the implications for avian hippocampal function are considered.
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TLDR
Though monkeys in the hippocampal group were impaired on both delays and lists, the impairment was more severe on the lists, with abnormal sensitivity to pro- and retroactive interference as a possible source of difficulty.
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TLDR
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TLDR
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TLDR
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Hippocampal lesions and negative patterning in pigeons
TLDR
Pigeons with hippocampal lesions learned the task at the same rate as did control unoperated pigeons, in line with recent reports that the hippocampus is not critical for performance of the negative patterning task.
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