[EEG] open eeg/ocz nia "success"

Kelly hurtstotouchfire at gmail.com
Mon Oct 5 14:26:35 PDT 2009

Realistically, we could be working on noise reduction and software
NOW.  And I'd like to be, frankly, because it's somewhere I can
actually contribute.  We have eeg data.  We should start playing with
it.  And hopefully soon we'll have better EEG data, and the equipment
to get more whenever we want.


On Mon, Oct 5, 2009 at 2:23 PM, Anthony Di Franco
<di.franco at aya.yale.edu> wrote:
> As mentioned in that email, let me know when you all get to point F,
> noise and software hacks.
> On Mon, Oct 5, 2009 at 14:18, Kelly <hurtstotouchfire at gmail.com> wrote:
>> Also, specifically, I think the last time we addressed amplifying the
>> cap is here: https://www.noisebridge.net/pipermail/eeg/2009-June/000075.html
>> There were some hardware concerns that I sorta kinda understand, and
>> Jonathan, maybe you guys have already gotten a handle on this?
>> I would be up for meeting next week if we think that momentum
>> justifies it.  Hopefully other people that know more about the
>> hardware can show up, because I basically sit there and know about
>> brains and ask hardware questions.
>> K
>> On Mon, Oct 5, 2009 at 9:35 AM, Jonathan Foote <jtfoote at ieee.org> wrote:
>>> Hey Josh,
>>> Welcome! Our group has lost a little momentum so it's great to hear
>>> from new people.
>>> Our grand plan was to  build a multi-channel rig using multiple
>>> OpenEEG boards. Several of us have built two-channel versions; the
>>> digital motherboard will support up to six (three analog boards). We
>>> have acquired a 19(?) -electrode head cap and Tracy built a nice
>>> enclosure with mini-XLR jacks. We have some neurobiology, signal
>>> processing and machine learning expertise on board, so now I think all
>>> we need to do is to put everything together!
>>> If you want to, skim the mailing list archives
>>> https://www.noisebridge.net/pipermail/eeg/ and we look forward to
>>> meeting you in person.
>>> (To the group: I noticed our wiki page either disappeared in the reorg
>>> or never existed, so I made one: https://www.noisebridge.net/wiki/EEG)
>>> Cheers,
>>> Jon
>>> On Sun, Oct 4, 2009 at 11:56 PM, Josh Bailey <josh at anarkiwi.com> wrote:
>>>> What an inspiration it is to have other local enthusiasts. Found I had an
>>>> obsolete motherboard with a real parallel port on it, and lashed it
>>>> together long enough to run Linux off of DVD and run sp12 on it.
>>>> Now my openeeg is breathing and I can get a test pattern all the way
>>>> through from the analog board. Nice.
>>>> I suppose the next stage is electrodes. Oh well. Back to the day job for
>>>> now.
>>>> On Mon, 5 Oct 2009, Josh Bailey wrote:
>>>>> Hi all;
>>>>> Am completely new to the group; happy that there are other people local
>>>>> playing with this stuff!
>>>>> Seen some discussion re both OpenEEG and the OCZ NIA.
>>>>> I have an OCZ NIA and have gotten some joy, with some very very hacky code
>>>>> just reading from Linux USB HID "stack" (on taking this guy to pieces it's
>>>>> seems to be just an audio b/w stereo DAC that just streams samples at you
>>>>> all day long):
>>>>> http://casuallethality.com/?p=199
>>>>> I freely admit I have no real clue, but I think I have gotten beta out of
>>>>> it at 28Hz (and a big 60Hz spike where I expect it to be). Perhaps someone
>>>>> with more clue than I would care to venture an opinion as to whether my
>>>>> results are plausible? I'll happily share my code with other OCZ owners
>>>>> (well, anyone really).
>>>>> If I'm going in the right direction figured it might make more sense to
>>>>> record a lot more data (say, overnight), so ICA has something to feed on.
>>>>> Bit challenging with this device as it's only two channels, the electrodes
>>>>> are pretty perspiration sensitive, and the device's grounding SUCKS!
>>>>> Regarding OpenEEG - I have built up both an analog and digital board pair,
>>>>> but I don't have an old Windows box to program the Atmel on the digital
>>>>> board (I'm an all Linux/Mac shop, one has one's principles).
>>>>> I don't suppose anyone would happen to be willing to flash my Atmel so I
>>>>> don't have to buy an old clunker and put Windows on it? Programmer won't
>>>>> work under Vista because of excessive parallel port HAL, and it wants to
>>>>> bit bang - I think - I am not a strong enough Windows guy.
>>>>> Last thing. Friend of mine at the VA is studying whether concussion
>>>>> injuries can be diagnosed by EEG. She keeps claiming to be able to give me
>>>>> some 256-channel recordings - I will follow that up. If it's OK with
>>>>> her/ethics/anonymised and all that will seek permission to obtain and
>>>>> share it (at the very least may be a good control set vs. homebrew).
>>>>> Sorry for the long post,
>>>> --
>>>> Josh Bailey (josh at anarkiwi.com)
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