Levels workshop: Difference between revisions

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The brain functions on multiple spatial and temporal scales spanning several orders of magnitude. Most experimental neuroscientists and theoreticians tend to measure and model the brain at a single scale, regarding lower scales as 'implementational detail' and higher scales as phenomena to explain using the scale under study. While much progress has been made using this approach, the success of this paradigm rests on the assumption that the process or mechanism being studied at one scale operates largely independently of lower and higher scales, despite the fact that descriptions at different scales are descriptions of the same thing at different resolutions. The central themes of this workshop are thus: to what extent can overall brain function be understood one scale at a time? What has been learned by measuring and modeling brain processes across scales? Is there an optimal scale to model brain function? What are the causal dependencies across levels in neural data? What information is processed at a given scale, how much redundancy is there, and what are the upward and downward flows of information across time?
Abstract and current list of invitees are here: [[Top_down_or_bottom_up]]
 
These are not new questions, but the tools emerging to answer them are. Our invited speakers use experimental and theoretical techniques that give a window on brain dynamics from single neurons to whole brains, modeling data obtained from whole cell recordings, implantable multi-electrode arrays, high-density EEG and epidural electrode arrays, fMRI, and MEG. The risk with such a workshop is that it fades into a series of loosely connected talks. We hope to avoid this veritable "Tower of Babel" by having speakers who not only have diverse multidisciplinary backgrounds, but whose research endeavors explicitly to span two or more scales of measurement and analysis:  


List of invitees:
List of invitees:
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|Kilian Koepsell or Tim Blanche ||spikes & LFP with polytrodes ||meso scale GLM  
|Kilian Koepsell or Tim Blanche ||spikes & LFP with polytrodes ||meso scale GLM  
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|Gyorgii Buzsaki ||spikes & LFP with polytrodes ||meso scale modeling  
|Gyorgy Buzsaki ||spikes & LFP with polytrodes ||meso scale modeling  
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|Peter Robinson, Jim Wright or David Liley ||multimodal human data, esp. EEG ||whole brain modeling
|Peter Robinson, Jim Wright or David Liley ||multimodal human data, esp. EEG ||whole brain modeling

Latest revision as of 02:06, 25 September 2007

Abstract and current list of invitees are here: Top_down_or_bottom_up

List of invitees:

Tony Bell "big picture" overview cross-scale theoretical framework
Kilian Koepsell or Tim Blanche spikes & LFP with polytrodes meso scale GLM
Gyorgy Buzsaki spikes & LFP with polytrodes meso scale modeling
Peter Robinson, Jim Wright or David Liley multimodal human data, esp. EEG whole brain modeling
Jean-Philippe Lachaux human eCog, EEG & MEG data macro scale modeling
Pascal Fries or Thilo Womelsdorf spikes and LFP meso scale modeling
Charles Schroeder, Bressler or Lakatos ? ?
Ryan Canolty, Kai Miller or colleague human eCog macro scale modeling
David Mc Cormick intra-/extracellular spike data micro-meso scale modeling
Rafael Malach, Rami Arieli, Fried, or Quiroga human spike and LFP data meso-macro scale modeling

We hope you will join us for discussion and debate at what promises to be a very exciting workshop!


Other potential invitees

Grinvald, Tsodyks, Logothetis; Victor; Purpura; Fred Wolf; Yang Dan; Rob Fromke; Ken Harris; Bijan Pesaran; Terry Sejnowski; Larry Abbott; Jack Cowan; Walter Freeman; Elizabeth Buffalo; Paul Nunez or post-doc...

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