ArticleScientific reports2017
Regulation of visual Wulst cell responsiveness by imprinting causes stimulus-specific activation of rostral cells.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- The role of osteocrin in memory formation during early learning, as revealed by visual imprinting in chicks.iScience · 2024Article
- Changes in the dopaminergic circuitry and adult neurogenesis linked to reinforcement learning in corvids.Frontiers in neuroscience · 2024Article
- Visual Imprinting in Birds: Behavior, Models, and Neural Mechanisms.Frontiers in physiology · 2019Review
- Regulation of filial imprinting and structural plasticity by mTORC1 in newborn chickens.Scientific reports · 2018Article
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5 authors.
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Abstract
Imprinting behaviour in chicks can be induced exclusively during a short period after hatching. During this period, visual information on the imprinting stimulus is conveyed to the visual Wulst (VW) in the telencephalon, which corresponds to the visual cortex of mammals, and then to the memory-storing region known as the intermediate medial mesopallium. These two regions are indispensable for imprinting. We previously showed that imprinting training altered the response pattern of the VW to the imprinting stimulus; however, the precise distribution of cells and the mechanism involved with this altered response remains unclear. Here we showed that a specific population of rostral VW cells responded to the imprinting stimulus by analysing the subcellular localization of Arc/arg3.1 transcripts in VW cells. GABAergic parvalbumin (PV) cells are abundant in the dorsal region of this area, and imprinting training doubled the number of activated PV-positive neurons. An injection of bicuculline, a GABA(A) receptor antagonist, in the dorsal VW disturbed the rostral distribution of responsive cells and thus resulted in a lack of imprinting. These results suggest that activated PV cells restrict VW cells response to dorsal area to form a specific imprinting pathway.
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