Matthieu Louis

@tamsioul

I am a systems neuroscientist at UC Santa Barbara. I study chemotaxis in the Drosophila larva to understand the computation directing navigational behaviors.

Vrijeme pridruživanja: studeni 2012.

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  1. proslijedio/la je Tweet
    17. sij

    This week's post is on PiVR: a Raspberry Pie based VR environment to study optogenetic stimulation of neural functions. It's just $415 to make your own, and the documentation is just terrific.

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  2. 6. sij

    [PiVR 9/9]: If you would like to know more about PiVR, please make sure to check out the website , which includes detailed instructions on how to build and operate your own setup. Have fun!

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  3. 6. sij

    [PiVR 8/9]: PiVR is also capable of presenting dynamic (non-stationary/time-varying) virtual realities, such as an odor plume. Plume structure courtesy of the Nagel lab (NYU):

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  4. 6. sij

    [PiVR 7/9]: Our results nicely complement a recent and in-depth study of the mechanisms directing phototaxis in zebrafish by Debrégeas and coworkers:

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  5. 6. sij

    [PiVR 6/9]: PiVR applied to zebrafish. Fish larvae were immersed in a virtual light gradient. We find that zebrafish are able to stay close to this virtual light source by integrating the absolute light intensity and recent changes in light intensity.

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  6. 6. sij

    [PiVR 5/9]: PiVR applied to Drosophila adults. Flies were immersed in virtual bitter-tastant realities. We find that flies avoid regions where they taste bitter by decreasing their running speed upon sensory relief.

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  7. 6. sij

    [PiVR 4/9]: PiVR applied to Drosophila larvae. We illustrate the use of PiVR by presenting larvae with virtual-odor realities and by comparing their behavior to real odor, as was previously done in

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  8. 6. sij

    [PiVR 3/9]: To create virtual realities, PiVR tracks a freely-moving animal (e.g., adult flies, larvae, zebrafish, a spider and fireflies) in real time at 50Hz and presents predefined light stimulation patterns based on the position of the animal.

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  9. 6. sij

    [PiVR 2/9]: PiVR stands for Raspberry Pi Virtual Reality system (). The philosophy behind this open source tool has been inspired by the amazing FlyPi () and Ethoscopes ().

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  10. 6. sij

    [PiVR 1/9]: Our recent preprint () presents PiVR by , an affordable and easy to build open-source tool to present small animals with virtual realities to characterize behavior and its neural underpinnings.

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  11. 13. stu 2019.

    And here is a portal toward the 3 Graduate Programs in Neuroscience at UCSB: . Please RT.

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  12. 13. stu 2019.

    Graduate Programs in Neuroscience at UCSB are now accepting applications for 2020. Be part of our growing neuroscience community in an environment that emphasizes interdisciplinary and collaborative research. To apply and for more information, please check

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  13. 13. stu 2019.

    A week left before the application deadline to attend the meeting on olfactory search across model organisms. Join us on March 8-11, 2020:

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  14. proslijedio/la je Tweet
    11. lis 2019.

    When contacting PC members, please specify your expertise and why you think you would be a good Cosyne reviewer. 3/3

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  15. proslijedio/la je Tweet
    11. lis 2019.

    Each reviewer will receive up to 10 abstracts to review between Nov 10 and Nov 30. Detailed reviewing guidelines will be provided. 2/3

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  16. proslijedio/la je Tweet
    11. lis 2019.

    Cosyne is seeking to expand its reviewer pool. If you wish to review, identify a relevant Program Committee member at , and email them by Oct 17 latest. Please spread the word! 1/3

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  17. 1. lis 2019.

    Spectacular research in a totally stunning location at NYU-Langone Neuroscience. Smell deconstructed in flies and mice. Fishes striking a balance. World-class ephys. Careful quantification and insightful modeling. What a place! Merci and for a great visit.

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  18. 26. ruj 2019.

    Two post-doctoral positions are available in the Louis lab (UCSB) to "crack" the logic of action-selection in a descending pathway essential for the control of larval chemotaxis (work started by the amazing ). For more info or to apply, please email me.

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  19. 6. ruj 2019.

    March 8-11, 2020: Janelia Conference on Navigational Algorithms & Neural Circuit Computations Directing Olfactory Search Across Species. Applications are now open! Please consider joining the exciting group of participants:

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  20. 30. stu 2018.

    The PDF of our latest paper is now available: . We're grateful to for providing a wonderful platform to share our work effectively & transparently. Recently, my lab moved to UCSB. If you like our approach to systems neuroscience, consider joining us!

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