Parallel neural pathways in higher visual centers of the Drosophila brain that mediate wavelength-specific behavior.
Parallel neural pathways in higher visual centers of the Drosophila brain that mediate wavelength-specific behavior.
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DOI：
10.3389/fncir.2014.00008
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发表时间：
2014
影响因子：
3.5
通讯作者：
Ito K
中科院分区：
文献类型：
--
作者：
Otsuna H;Shinomiya K;Ito K
Compared with connections between the retinae and primary visual centers, relatively less is known in both mammals and insects about the functional segregation of neural pathways connecting primary and higher centers of the visual processing cascade. Here, using the Drosophila visual system as a model, we demonstrate two levels of parallel computation in the pathways that connect primary visual centers of the optic lobe to computational circuits embedded within deeper centers in the central brain. We show that a seemingly simple achromatic behavior, namely phototaxis, is under the control of several independent pathways, each of which is responsible for navigation towards unique wavelengths. Silencing just one pathway is enough to disturb phototaxis towards one characteristic monochromatic source, whereas phototactic behavior towards white light is not affected. The response spectrum of each demonstrable pathway is different from that of individual photoreceptors, suggesting subtractive computations. A choice assay between two colors showed that these pathways are responsible for navigation towards, but not for the detection itself of, the monochromatic light. The present study provides novel insights about how visual information is separated and processed in parallel to achieve robust control of an innate behavior.
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影响因子：
16.2
作者：
Chou, WH;Hall, KJ;Britt, SG
通讯作者：
Britt, SG
影响因子：
9.2
作者：
Born, RT
通讯作者：
Born, RT
影响因子：
3.6
作者：
BAUSENWEIN, B;DITTRICH, APM;FISCHBACH, KF
通讯作者：
FISCHBACH, KF
影响因子：
9.2
作者：
Morante, Javier;Desplan, Claude
通讯作者：
Desplan, Claude
DOI：
10.1073/pnas.58.3.1112
发表时间：
1967-01-01
影响因子：
11.1
作者：
BENZER, S
通讯作者：
BENZER, S