ArticleThe Journal of comparative neurology2020
Perineuronal nets and subtypes of GABAergic cells differentiate auditory and multisensory nuclei in the intercollicular area of the midbrain.
Article in The Journal of comparative neurology, 2020. 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, 5 citations in OpenAlex.
- Distribution of Metabotropic Serotonin Receptors in GABAergic and Glutamatergic Neurons in the Auditory Midbrain.The Journal of comparative neurology · 2026Article
- Differential cholinergic innervation of lemniscal versus non-lemniscal regions of the inferior colliculus.Journal of chemical neuroanatomy · 2024Article
- Dense cholinergic projections to auditory and multisensory nuclei of the intercollicular midbrain.Hearing research · 2021Article
- Cholinergic boutons are closely associated with excitatory cells and four subtypes of inhibitory cells in the inferior colliculus.Journal of chemical neuroanatomy · 2021Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
The intercollicular region, which lies between the inferior and superior colliculi in the midbrain, contains neurons that respond to auditory, visual, and somatosensory stimuli. Golgi studies have been used to parse this region into three distinct nuclei: the intercollicular tegmentum (ICt), the rostral pole of the inferior colliculus (ICrp), and the nucleus of the brachium of the IC (NBIC). Few reports have focused on these nuclei, especially the ICt and the ICrp, possibly due to lack of a marker that distinguishes these areas and is compatible with modern methods. Here, we found that staining for GABAergic cells and perineuronal nets differentiates these intercollicular nuclei in guinea pigs. Further, we found that the proportions of four subtypes of GABAergic cells differentiate intercollicular nuclei from each other and from adjacent inferior collicular subdivisions. Our results support earlier studies that suggest distinct morphology and functions for intercollicular nuclei, and provide staining methods that differentiate intercollicular nuclei and are compatible with most modern techniques. We hope that this will help future studies to further characterize the intercollicular region.
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