ArticleFrontiers in neuroanatomy2025
Molecular characterization of chicken DA systems reveals that the avian personality gene,
Article in Frontiers in neuroanatomy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Homologous cell type markers highlight subdivisions of the domestic chick hippocampal formation.Scientific reports · 2026Article
- Transcriptomic Analysis Reveals Sex-Biased Gene Expression in Duck Turbinate Tissue.Animals : an open access journal from MDPI · 2026Article
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Abstract
Animal personalities are stable, context-dependent behavioral differences. Associations between the personality of birds and polymorphisms in the dopamine receptor D4 (DRD4) gene have been repeatedly observed. In mammals, our understanding of the role of the dopamine (DA) system in higher cognitive functions and psychiatric disorders is improving, and we are beginning to understand the relationship between the neural circuits modulating the DA system and personality traits. However, to understand the phylogenetic continuity of the neural basis of personality, it is necessary to clarify the neural circuits that process personality in other animals and compare them with those in mammals. In birds, the DA system is anatomically and molecularly similar to that in mammals; however, the function of DRD4 remains largely unknown. In this study, we used chicks as model birds to reveal the expression regions of the DA neuron-related markers
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