ChrisGaiteri

Portrait

collected "Musics Muses & Tech" compositions with Peter Djalaliev

Discussion of wiki-science in CategoryWikiTechnology (specifically developing wiki-model reciprocity) now moved to WikiForNeuronModelingDiscussion

I'm currently working on the first set of stubs to upload to opencontract.org (11/4/15)

Messages

Hello! Welcome to the CommunityWiki!

I've fixed your link; the OddMuse format is:

 [http://home.wlu.edu/~gaiteric/univ203 homepage]

I feel inclined to point you towards BayleShanks, our resident Neuroscience guy. :)

He also runs a wiki you may be interested in; The NeuroWiki. (NeuroWiki:RecentChanges)

Hello Chris, Welcome!

I am very interested in "positioning independent projects within a larger collaborative framework." In my case, I'm a computer scientist and the people I need to collaborate with (and who need to collaborate amongst themselves) are lawyers, business people, policy wonks, and non technical scientists. At a later stage these same people are going to need to collaborate with technical scientists as well. They've communicated their needs to me in this order of priority:

1. They don't want to have to learn anything new

2. They don't have time to have to learn anything new

3. If they have to learn something new … they won't

This means that the two priorities I'm focusing on are:

1. Standard WYSIWYG (bold, italics, bullets, indent, undent, …)

2. An easy way to quickly share sketches. For these guys this means faxing a sketch to a number and then linking to the resulting image in the fax queue.

I'm actively working on developing these bits right now. You are welcome to join in if you think that they will be important to your audience as well. My email is sanders@cs.rochester.edu and the site I'm developing these at is http://CoTor.org

Welcome! I had some trouble getting through the giant's eye but I made it. I see you're working with Ermentrout, pretty cool.

Thanks for the warm welcome, fixing my html, and most of all participating in a community that is open to reworking communication.

BayleShanks - my splash page is a test of…. something - glad you made it. It's easier if you've read Ender's Game.

-ChrisGaiteri

CiĆ o Chris, welcome. It might interest you how to insert your foto here.

Hey, I was wonderingI read that optic nerve axons are ~400nm in diameter. I interpret from this that Intel makes wires that are just 90nm wide. Is it realistic to expect that the electrical signal going down the 1.2 million fibers of the optic nerve can be tapped? What's it take to keep two halves of a neuron alive? Feel free to ignore these irritating questions from someone who don't know anything about the field.

LionKimbro - the good questions are the annoying ones…. (I think). So basically you're asking about sticking a bunch of really thin wires into the brain to capture a complete visual stream. Multi-unit recording (what you're after I think) is really tough. David Bradley @ Uchicago has done some really cool computational stuff in monkey VC with this, but I think he's still <100 electrodes. There are microelectrode chips that you can culture neurons on that will record the activity of each cell. Sporns (sp?) at Indiana has done some interesting work with this. But just in terms of the amount of time it takes to do this and the difficulty of knowing exactly where you are I think we're a ways off from what you're looking for. Just my non-electrophysiologist understanding of the issue.

-ChrisGaiteri

Ah, I see it here; Recording spikes from a large fraction of the ganglion cells in a retinal patch, ganglion cell.

I can't be sure, but it seems to me that they are doing pretty much what I was thinking of: They're putting a cross-section of neurons up against a slab of electrodes.

http://www.nature.com/neuro/journal/v7/n10/images/nn1323-F1.jpg

They are using 30 micrometers it looks like. They're saying that the cells are arrayed at 27 micrometers, so that should get every one. They talk about working around the leaks.

The page also notes: "A multi-electrode array system with 512 channels has been built (Litke, A.M.et al., Soc. Neurosci Abstr. 33, 429.18, 2003)…" (in "Future Directions.")

Thank you!


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