File:Isthmii circuit.svg
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Size of this PNG preview of this SVG file: 646 × 475 pixels. Other resolution: 2,560 × 1,882 pixels.
Original file (SVG file, nominally 646 × 475 pixels, file size: 34 KB)
Summary
| Description |
English: Circuit diagram showing connections between the two parts of nucleus isthmii and the optic tectum. Each area, tectum, Ipc, and Imc, contains a retinotopic map. The connections between them follow the topography. Each map sector in the tectum gives rise to excitatory projections to corresponding sectors of Ipc and Imc, although the ones to Ipc are more tightly focused. Ipc sends tightly focused cholingergic projections to tectum and Imc. Imc sends GABAergic projections both to tectum and Ipc, which diverge very broadly. It has been suggested that this architecture supports winner-take-all dynamics in the tectal circuit. |
| Date | |
| Source | Own work |
| Author | Looie496 |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:50, 18 November 2008 | | 646 × 475 (34 KB) | imagescommonswiki>Looie496 | {{Information |Description={{en|1=Circuit diagram showing connections between the two parts of nucleus isthmii and the optic tectum. Each area, tectum, Ipc, and Imc, contains a retinotopic map. The connections between them follow the topography. Each m |
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- File:Isthmii circuit.svg from Wikimedia Commons
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