Higher order visual input to the mushroom bodies in the bee, Bombus impatiens.

Higher order visual input to the mushroom bodies in the bee, Bombus impatiens.
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高阶视觉输入到蜜蜂,炸弹凤仙花中的蘑菇体。

DOI:
10.1016/j.asd.2008.03.002
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发表时间:
2008-11
影响因子:
2
通讯作者:
Gronenberg, Wulfila
Gronenberg, Wulfila
中科院分区:
农林科学2区
文献类型:
--
作者:
Paulk, Angelique C.;Gronenberg, Wulfila

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为了根据生物学相关关联产生适当的行为,传达不同模式的感觉通路被高阶中枢大脑结构(例如昆虫蘑菇体)整合。为了解决感觉统合的这种功能,我们描述了蜜蜂投射到蘑菇体肾盏的视叶神经元的结构和反应。蜜蜂以其视觉学习和记忆能力而闻名,它们的大脑拥有从视叶到蘑菇体的主要直接视觉输入。为了在功能上表征蘑菇体的这些视觉输入,我们在呈现颜色和运动刺激的同时记录了熊蜂(蜜蜂科:Bombus impatiens)神经元和蜜蜂(蜜蜂科:Apis mellifera)中单个神经元的细胞内记录。所有蘑菇体输入神经元对颜色敏感,而一部分对运动敏感。此外,大多数蘑菇体输入神经元会对第一次出现的重复刺激做出反应,但不会对随后的重复刺激做出反应。一般来说,投射到花萼的髓质或小叶神经元向蘑菇体发出视觉世界的特定色彩、时间和运动特征的信号,其中包括蜜蜂在觅食任务期间形成的生物学相关关联所需的感觉信息。
To produce appropriate behaviors based on biologically relevant associations, sensory pathways conveying different modalities are integrated by higher-order central brain structures, such as insect mushroom bodies. To address this function of sensory integration, we characterized the structure and response of optic lobe neurons projecting to the calyces of the mushroom bodies in bees. Bees are well known for their visual learning and memory capabilities and their brains possess major direct visual input from the optic lobes to the mushroom bodies. To functionally characterize these visual inputs to the mushroom bodies, we recorded intracellularly from neurons in bumblebees (Apidae: Bombus impatiens) and a single neuron in a honeybee (Apidae: Apis mellifera) while presenting color and motion stimuli. All of the mushroom body input neurons were color sensitive while a subset was motion sensitive. Additionally, most of the mushroom body input neurons would respond to the first, but not to subsequent, presentations of repeated stimuli. In general, the medulla or lobula neurons projecting to the calyx signaled specific chromatic, temporal, and motion features of the visual world to the mushroom bodies, which included sensory information required for the biologically relevant associations bees form during foraging tasks.
DOI: 10.1007/bf00610452
发表时间: 1977-01-01
期刊: JOURNAL OF COMPARATIVE PHYSIOLOGY
影响因子: --
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期刊: JOURNAL OF COMPARATIVE PHYSIOLOGY
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影响因子: 2.5
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