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Evolutionary Formation and Functional Significance of the Core–Belt Pattern of Neural Organization of Rostral Auditory Centers in Vertebrates
Journal of Evolutionary Biochemistry and Physiology ( IF 0.6 ) Pub Date : 2020-07-01 , DOI: 10.1134/s0022093020040018
M. G. Belekhova , N. B. Kenigfest , N. M. Chmykhova

We survey the literature data on rostral auditory centers in amniotes with a focus on their core–belt neural organization, as related to lemniscal (core) and extralemniscal or non-lemniscal (belt) pathways. Our immunohistochemical results on the distribution of the calcium-binding proteins, parvalbumin (PV) and calbindin (CB), in the pigeon mesencephalic (MLD) and thalamic (Ov) auditory centers clearly demonstrate the presence of this cytoarchitectonic pattern of neural organization in birds. We analyze its functional significance for the optimal integration of the results of perceptual auditory information processing and its affective assessment due to neural connections between the belt regions of auditory centers and limbic centers. In the latter, specifically in the amygdala, there are audiomotor and audiovegetative relays responsible for the choice and implementation of behavioral types most adequate to each given context. A comparative analysis of different characteristics of auditory centers across a broad range of vertebrates allows hypothesizing about the origin, conservation and transformation of the core and belt regions of auditory centers during evolution.

中文翻译:

脊椎动物头端听觉中枢神经组织核心带模式的进化形成和功能意义

我们调查了关于羊膜动物嘴侧听觉中心的文献数据,重点是它们的核心带神经组织,与 lemniscal (core) 和 extralemniscal 或非 lemniscal (belt) 通路相关。我们关于钙结合蛋白、小清蛋白 (PV) 和钙结合蛋白 (CB) 在鸽子中脑 (MLD) 和丘脑 (Ov) 听觉中心分布的免疫组织化学结果清楚地证明了鸟类神经组织的这种细胞结构模式的存在. 由于听觉中枢和边缘中枢的带区之间的神经连接,我们分析了其对感知听觉信息处理结果的最佳整合及其情感评估的功能意义。在后者中,特别是在杏仁核中,有听觉运动和听觉植物中继负责选择和实施最适合每个给定上下文的行为类型。对广泛脊椎动物的听觉中枢的不同特征进行比较分析,可以假设进化过程中听觉中枢的核心和带区的起源、保护和转变。
更新日期:2020-07-01
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