1 / 19

Phase Bursting Rhythms in Inhibitory Rings

Phase Bursting Rhythms in Inhibitory Rings. Matthew Brooks Andrey Shilnikov Robert Clewley. 13 May 2009. Introduction. Phase shift bursting. Inhibitory ring systems. The Leech Heart Interneuron. Computing phase rhythms. Computing phase rhythms, cont’d.

nevan
Download Presentation

Phase Bursting Rhythms in Inhibitory Rings

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Phase Bursting Rhythms in Inhibitory Rings Matthew Brooks Andrey Shilnikov Robert Clewley 13 May 2009

  2. Introduction

  3. Phase shift bursting

  4. Inhibitory ring systems

  5. The Leech Heart Interneuron

  6. Computing phase rhythms

  7. Computing phase rhythms, cont’d.

  8. Strongly coupled motif - symmetric case: Coupling strengths are identical between neurons in both clockwise and counterclockwise directions. gsyn12 = 0.1 gsyn21 = 0.1 gsyn23 = 0.1 gsyn32 = 0.1 gsyn31 = 0.1 gsyn13 = 0.1

  9. SynchronizationDiagram Strongly coupled motif - symmetric case, cont’d: Plot indicating which neurons are “in phase” and which ones are “out of phase”. Legend Blue, Red in phase Green out of phase Red, Green in phase Blue out of phase Blue, Green in phase Red out of phase All neurons are out of phase.

  10. Strongly coupled motif – asymmetric case: Coupling strengths are significantly stronger in the counter-clockwise direction than in the clockwise direction. gsyn12 = 0.8 gsyn21 = 0.2 gsyn23 = 0.8 gsyn32 = 0.2 gsyn31 = 0.8 gsyn13 = 0.2

  11. Strongly coupled motif – asymmetric case, cont’d:

  12. Strongly coupled motif – discussion:

  13. Weakly coupled motif: Coupling strengths are identical between neurons in both clockwise and counterclockwise directions. gsyn12 = 0.0005 gsyn21 = 0.0005 gsyn23 = 0.0005 gsyn32 = 0.0005 gsyn31= 0.0005 gsyn13= 0.0005

  14. SynchronizationDiagram Weakly coupled motif, cont’d: Plot indicating which neurons are “in phase” and which ones are “out of phase”. Legend Blue, Red in phase Green out of phase Red, Green in phase Blue out of phase Blue, Green in phase Red out of phase All neurons are out of phase.

  15. Weakly coupled motif, cont’d:

  16. Weakly coupled motif - discussion:

  17. Discussion of Results and Observations:

  18. References:

  19. Thank you:

More Related