[Cyborg] [EEG] low budget EEG project

Dan Brown danbrown at gmail.com
Thu Jul 15 11:06:38 PDT 2010


Yes, I'll be at noisebridge next tuesday and wednesday. hope to see
some of you there! And hopefully, I'll have made some progress and be
able to get some data so that you EEG experts can check it out.
D

On Wed, Jul 14, 2010 at 1:32 PM, Kelly <hurtstotouchfire at gmail.com> wrote:
> Whoa hang on. Did I say Wed this week? I meant Wed next week.
>
> I think that's when Dan said he would be working.
>
> I forgot that today is in fact, still wednesday.
>
> -K
>
> On Wed, Jul 14, 2010 at 13:29, Josh Bailey <josh at felllight.com> wrote:
>>
>> Looks like I will miss you guys until Sunday. It is my loss :(. So much
>> has happened in the last few months barely remember what EEG means even.
>> :(
>>
>> Hope to see you all Sunday,
>>
>> On Wed, 14 Jul 2010, Kelly wrote:
>>
>>> I think that Wed sounds good this week so that we can all get in on
>>> the Mindflex hacking experience.
>>>
>>> I would welcome a more casual get together on Sunday as well, to poke
>>> at the embers of Sensebridge and generally check in.
>>>
>>> Kristin, Thursday nights are occasionally lost to 5mof, but we could
>>> potentially take that risk if that's a good day for everyone.
>>>
>>> -Kelly
>>>
>>> On Wed, Jul 14, 2010 at 13:22, kristinneidlinger <slimavocado at gmail.com> wrote:
>>> > i'll come too!  i want some EEG action.
>>> >
>>> > i am interesting in keeping sensebridge alive too. it's so sad to see eric
>>> > go as he kept the pulse alive.
>>> > is there sensebridge intereset out there?  perhaps a different day of the
>>> > week to meet?
>>> > i throw thursday eve out there.
>>> >
>>> > best,
>>> > kristin
>>> >
>>> >
>>> >
>>> > On Tue, Jul 13, 2010 at 2:09 PM, Robert Picone <rpicone at gmail.com> wrote:
>>> >>
>>> >> On Tue, Jul 13, 2010 at 1:28 PM, Maria Mouk <mariamouk at gmail.com> wrote:
>>> >>>
>>> >>> itd be my first visit to noisebridge
>>> >>> so i can be there on sun
>>> >>> just give me a time =D
>>> >>>
>>> >>> mm
>>> >>
>>> >> I'm probably going to be hopping in the first-visit boat with you in that
>>> >> case, as I'm rather interested in the topic and have been meaning to show up
>>> >> at NB for something one of these days anyway.
>>> >>
>>> >>>
>>> >>> >>> > On Tue, Jul 13, 2010 at 11:20 AM, Kelly
>>> >>> >>> > <hurtstotouchfire at gmail.com> wrote:
>>> >>> >>> >>
>>> >>> >>> >> Given the charts in the first link, it should be possible. I'm
>>> >>> >>> >> skeptical of their gamma, but the <35Hz data is totally
>>> >>> >>> >> reasonable. I
>>> >>> >>> >> think that the big win is that it's a fully packaged device
>>> >>> >>> >> already,
>>> >>> >>> >> with bluetooth/wireless built in. A lot of the hassle with eeg
>>> >>> >>> >> comes
>>> >>> >>> >> in just tweaking little stuff to get good contact and shield from
>>> >>> >>> >> noise. Do you know if the Neurosky electrodes are active? I have
>>> >>> >>> >> trouble imagining they could get that data from passive
>>> >>> >>> >> electrodes.
>>> >>> >>> >> And if they're active, that's a pretty big win, because active
>>> >>> >>> >> electrodes are a little bit of a hassle to build. It would
>>> >>> >>> >> probably be
>>> >>> >>> >> worth trying to hack directly into the connection and get the raw
>>> >>> >>> >> data
>>> >>> >>> >> if they're active, because then we could harvest readymade active
>>> >>> >>> >> electrodes... That sounds nice.
>>> >>
>>> >> While for the Mindflex technically has Bluetooth-band wireless is built
>>> >> in, nobody has yet been able to get much use out of it because by default a
>>> >> significant portion of the useful data is filtered out before it is reached.
>>> >>  The $200 standalone model does have full serial over Bluetooth built in if
>>> >> that's what you mean.
>>> >> As for the electrodes, from what I've seen it would seem that they aren't
>>> >> active (though what I've seen isn't hugely informative on the subject), but
>>> >> the amplification/analysis of the system is entirety done inches away from
>>> >> them anyway, so you might get some of the advantages of an active electrode
>>> >> system.  If you were talking about the same data I'm thinking of, it seems
>>> >> that they may have also been using higher quality electrodes, distinct from
>>> >> the ones in their actual consumer products, as a proof-of-concept for their
>>> >> dry electrode system.
>>> >> _______________________________________________
>>> >> Cyborg mailing list
>>> >> Cyborg at lists.noisebridge.net
>>> >> https://www.noisebridge.net/mailman/listinfo/cyborg
>>> >>
>>> >
>>> >
>>> >
>>> > --
>>> > . . .  .  *
>>> >
>>>
>>>
>>
>> --
>> Josh Bailey (josh at felllight.com)
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