ArticleBrain and behavior2018
Organization of projection from brainstem auditory nuclei to the inferior colliculus of Japanese house bat (Pipistrellus abramus).
Article in Brain and behavior, 2018. 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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Who cites it
5 citing papers in PubMed.
- Candidate Key Proteins in Tinnitus-A Bioinformatic Study of Synaptic Transmission in the Inferior Colliculus.International journal of molecular sciences · 2025Article
- Article
- Cyto- and myeloarchitectural brain atlas of the pale spear-nosed bat (Phyllostomus discolor) in CT Aided Stereotaxic Coordinates.Brain structure & function · 2020Article
- Organization of projection from brainstem auditory nuclei to the inferior colliculus of Japanese house bat (Pipistrellus abramus).Brain and behavior · 2018Article
- Inhibitory Neural Circuits in the Mammalian Auditory Midbrain.Journal of experimental neuroscience · 2018Review
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Authors and funding
5 authors.
Funding
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Abstract
objectivesEcholocating bats show remarkable specialization which is related to analysis of echoes of biosonars in subcortical auditory brainstem pathways. The inferior colliculus (IC) receives inputs from all lower brainstem auditory nuclei, i.e., cochlear nuclei, nuclei of the lateral lemniscus, and superior olivary complex, and create de novo responses to sound, which is considered crucial for echolocation. Inside the central nucleus of the IC (ICC), small domains which receive specific combination of extrinsic inputs are the basis of integration of sound information. In addition to extrinsic inputs, each domain is interconnected by local IC neurons but the cell types related to the interconnection are not well-understood. The primary objective of the current study is to examine whether the ascending inputs are reorganized and terminate in microdomains inside the ICC.
methodsWe made injection of a retrograde tracer into different parts of the ICC, and analyzed distribution of retrogradely labeled cells in the auditory brainstem of Japanese house bat (Pipistrellus abramus).
resultsPattern of ascending projections from brainstem nuclei was similar to other bat species. Percentages of labeled cells in several nuclei were correlated each other. Furthermore, within the IC, we identified that large GABAergic (LG) and glutamatergic neurons made long-range connection.
conclusionsSynaptic organization of IC of Japanese house bat shows specialization which is likely to relate for echolocation. Input nuclei to the IC make clusters which terminate in specific part of the ICC, implying the presence of microdomains. LG neurons have roles for binding IC microdomains.
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