[Neuro] Neuro Digest, Vol 31, Issue 3

LinkReincarnate linkreincarnate at gmail.com
Thu Apr 18 04:36:58 UTC 2013


I may have xome spare pcb's but I am missing most of the parts to populate
said pcb.  I could get you a pcb schematic and bom to order the parts
yourself though.  For around 50 dollars you can get enough parts to build
ten tdcs devices.
On Apr 17, 2013 3:34 PM, <neuro-request at lists.noisebridge.net> wrote:

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> Today's Topics:
>
>    1. Re: tDCS at Noisebridge? (Rohan Dixit)
>    2. Re: tDCS at Noisebridge? (Anthony Di Franco)
>    3. Re: tDCS at Noisebridge? (John Withers)
>    4. Re: tDCS at Noisebridge? (Kelly)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 17 Apr 2013 14:26:54 -0700
> From: Rohan Dixit <rohan at brainbot.me>
> To: di.franco at aya.yale.edu
> Cc: neuro at lists.noisebridge.net, Chung-Hay Luk <luk at chunghay.com>
> Subject: Re: [Neuro] tDCS at Noisebridge?
> Message-ID:
>         <CACVcH-uHCbWxYQvE2ZiudDubj=bJDDDds0zMYLG=
> o-cGLPic4w at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Anthony, Chung-Hay, Sarah,
>
> Great to meet you and happy to swing by where you work/play. As I mentioned
> to Kelly, I'm very interested in having a device to experiment with and
> thought a simple QS-style approach using something like this would be
> helpful.
>
> When would be a good time? Feel free to PM me individually-- Sarah you
> mentioned you're in the East Bay-- I'm there pretty frequently myself.
> Anthony would be happy to check out Sudo on a trip out east too!
>
> Finally-- Chung-Hay, thanks for the offer and I'll follow up with you (if
> we don't hear from LinkReincarnate!)
>
> Thanks Kelly!
>
> :)
>
> Rohan
>
>
>
> On Wed, Apr 17, 2013 at 2:07 PM, Anthony Di Franco <di.franco at gmail.com
> >wrote:
>
> > Can I borrow your electrodes? Lack of them is why I haven't yet used my
> > rig.
> > On Apr 17, 2013 12:31 PM, "Chung-Hay Luk" <luk at chunghay.com> wrote:
> >
> >> Hi!
> >>
> >>   I've built the device posted by LinkReincarnate (
> >> https://nocko.se/2012/07/30/brain-zapping-is-fun/). Current is
> >> adjustable from 0.5 - 2 mA. I unfortunately don't have spares, but
> >> LinkReincarnate might? Maybe he'll reply to this thread. If not, PM me,
> and
> >> I can ask him on your behalf.
> >>
> >>   My friends and I have been experimenting with tDCS over motor cortex
> >> for now, and I'd be happy to nerd out with others. My background is
> also in
> >> electrophysiology (+ brain training).
> >>
> >> Smiles,
> >>   Chung-Hay
> >>
> >>
> >> @Kelly: Miss you! Come visit!
> >>
> >>
> >> On Wed, Apr 17, 2013 at 11:55 AM, Anthony Di Franco <
> di.franco at gmail.com>wrote:
> >>
> >>> I built one, and I have parts for about 5 more. It's a very simple
> >>> design I came up with that is just a regulated current source
> adjustable
> >>> from 0-2mA.
> >>> I only tested it by measuring its output current with a meter and not
> >>> through a brain.
> >>> Let me know if you want some parts for one.
> >>> I'm mostly around sudo room in Oakland these days, so you could come
> >>> check out sudo room as well if you want.
> >>> Anthony
> >>> On Apr 17, 2013 11:44 AM, "Kelly" <hurtstotouchfire at gmail.com> wrote:
> >>>
> >>>> Hi rohan,
> >>>>
> >>>> I moved to Boston, but there are indeed a few Noisebridge folks that
> >>>> have built tdcs rigs. I'm sure they would be happy to chat with you.
> See
> >>>> the Noisebridge Neuro list, cc-ed.
> >>>>
> >>>> Kelly
> >>>> On Apr 17, 2013 3:55 AM, "Rohan Dixit" <rohan at brainbot.me> wrote:
> >>>>
> >>>>> Hi there,
> >>>>> Was wondering if I could find some people interested in building a
> >>>>> tDCS device. Have you built one before?
> >>>>>
> >>>>> My background is in neuroimaging and electrophysiology but am very
> >>>>> interested in tDCS. Would you be kind enough to have tea or coffee
> sometime
> >>>>> this week at your convenience so I can "pick your brain" (promise no
> >>>>> devices involved!)
> >>>>>
> >>>>> Cheers,
> >>>>> Rohan
> >>>>>
> >>>>>
> >>>>> --
> >>>>> Rohan Dixit
> >>>>> www.brainbot.me
> >>>>>
> >>>>>
> >>>> _______________________________________________
> >>>> Neuro mailing list
> >>>> Neuro at lists.noisebridge.net
> >>>> https://www.noisebridge.net/mailman/listinfo/neuro
> >>>>
> >>>>
> >>> _______________________________________________
> >>> Neuro mailing list
> >>> Neuro at lists.noisebridge.net
> >>> https://www.noisebridge.net/mailman/listinfo/neuro
> >>>
> >>>
> >>
>
>
> --
> Rohan Dixit
> www.brainbot.me
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> ------------------------------
>
> Message: 2
> Date: Wed, 17 Apr 2013 15:11:26 -0700
> From: Anthony Di Franco <di.franco at gmail.com>
> To: Kelly <hurtstotouchfire at gmail.com>
> Cc: neuro at lists.noisebridge.net
> Subject: Re: [Neuro] tDCS at Noisebridge?
> Message-ID:
>         <CAOJkv1pS=N2SexD5O8dM=
> PwHZVbamtPVgOMKWLAJus91EedVrA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> I can appreciate both the idea that phrenology doesn't work and the idea
> that there is some amount of statistical consistency across populations in
> roughly what brain regions do what and how people respond to stimulation of
> various kinds in various regions.
> Where would you say the distinction relevant to playing with tdcs is, if
> you can? (So this can be part of the documentation being assembled, I
> hope.)
> On Apr 17, 2013 3:04 PM, "Kelly" <hurtstotouchfire at gmail.com> wrote:
>
> > I'd just like to remind everyone that phrenology doesn't work, regardless
> > of what you put in your table. But a list of some basic regions with
> > citations would be an awesome start. It's probably worth making roughly
> > tabular even if some line items are wildly less dependable than others
> > because there are probably a few parameters that you care about for each
> > region.
> >
> > K
> > On Apr 17, 2013 4:33 PM, "John Withers" <jwithers at reddagger.org> wrote:
> >
> >> On 04/17/2013 01:10 PM, Anthony Di Franco wrote:
> >>
> >>>
> >>> A section on some hackerspace's wiki summarizing where to put what kind
> >>> of stimulation to accomplish what would be ideal.
> >>>
> >>>
> >> Yeah, I am actually working on that. It's part of a larger project and
> >> going to take me another few days to complete. But when I am done I will
> >> make sure there are links to it on the noisebridge wiki as well that of
> a
> >> couple of other spaces.
> >>
> >> j
> >> ______________________________**_________________
> >> Neuro mailing list
> >> Neuro at lists.noisebridge.net
> >> https://www.noisebridge.net/**mailman/listinfo/neuro<
> https://www.noisebridge.net/mailman/listinfo/neuro>
> >>
> >
> > _______________________________________________
> > Neuro mailing list
> > Neuro at lists.noisebridge.net
> > https://www.noisebridge.net/mailman/listinfo/neuro
> >
> >
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> ------------------------------
>
> Message: 3
> Date: Wed, 17 Apr 2013 15:30:32 -0700
> From: John Withers <jwithers at reddagger.org>
> To: neuro at lists.noisebridge.net
> Subject: Re: [Neuro] tDCS at Noisebridge?
> Message-ID: <516F2288.2080109 at reddagger.org>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> On 04/17/2013 03:11 PM, Anthony Di Franco wrote:
> >
> > I can appreciate both the idea that phrenology doesn't work and the
> > idea that there is some amount of statistical consistency across
> > populations in roughly what brain regions do what and how people
> > respond to stimulation of various kinds in various regions.
> > Where would you say the distinction relevant to playing with tdcs is,
> > if you can? (So this can be part of the documentation being assembled,
> > I hope.)
> >
> > On Apr 17, 2013 3:04 PM, "Kelly" <hurtstotouchfire at gmail.com
> > <mailto:hurtstotouchfire at gmail.com>> wrote:
> >
> >     I'd just like to remind everyone that phrenology doesn't work,
> >     regardless of what you put in your table. But a list of some basic
> >     regions with citations would be an awesome start. It's probably
> >     worth making roughly tabular even if some line items are wildly
> >     less dependable than others because there are probably a few
> >     parameters that you care about for each region.
> >
> >     K
> >
>
> I believe that Kelly was being somewhat satirical with the phrenology
> comment and mainly trying to get across the idea of making a chart in
> the manner outlined.
>
> This is less a matter of super exact positioning than the reliability of
> small studies.  The electrodes we use are 2" rounds. That's a huge swath
> of brain. What's more important is that most TDCS studies are small.
> Thus not all that reliable. This is a major problem with pretty much the
> whole cogsci field and has been a big deal lately.
>
> In the long run, I will probably want to add some kind of
> power/confidence kind of thing to various points and results. Right now
> I am just focused on getting done with what I have and getting it up there.
>
> j
>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Wed, 17 Apr 2013 18:34:50 -0400
> From: Kelly <hurtstotouchfire at gmail.com>
> To: Anthony Di Franco <di.franco at aya.yale.edu>
> Cc: neuro <neuro at lists.noisebridge.net>
> Subject: Re: [Neuro] tDCS at Noisebridge?
> Message-ID:
>         <CAGZf71BKxnP4xEPQ08SVDNj=-53m=
> 8p1yUfU3FYp9fnZQu1YpQ at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> I am way more skeptical of tdcs than the average tdcs hobbyist because I
> basically do data analysis and modeling and almost no practical
> applications, so I am trained to be overly critical and believe nothing.
>
> That said, you should probably make some notes about task structure and
> timing, stimulation time, current direction, and the location and size of
> both anode and cathode.
>
> John is pretty good at being skeptical of the literature though, so I
> expect he will have things to add or leave out per task. Those are the
> basics I would want to see from a rough science perspective though.
> On Apr 17, 2013 6:11 PM, "Anthony Di Franco" <di.franco at gmail.com> wrote:
>
> > I can appreciate both the idea that phrenology doesn't work and the idea
> > that there is some amount of statistical consistency across populations
> in
> > roughly what brain regions do what and how people respond to stimulation
> of
> > various kinds in various regions.
> > Where would you say the distinction relevant to playing with tdcs is, if
> > you can? (So this can be part of the documentation being assembled, I
> hope.)
> > On Apr 17, 2013 3:04 PM, "Kelly" <hurtstotouchfire at gmail.com> wrote:
> >
> >> I'd just like to remind everyone that phrenology doesn't work,
> regardless
> >> of what you put in your table. But a list of some basic regions with
> >> citations would be an awesome start. It's probably worth making roughly
> >> tabular even if some line items are wildly less dependable than others
> >> because there are probably a few parameters that you care about for each
> >> region.
> >>
> >> K
> >> On Apr 17, 2013 4:33 PM, "John Withers" <jwithers at reddagger.org> wrote:
> >>
> >>> On 04/17/2013 01:10 PM, Anthony Di Franco wrote:
> >>>
> >>>>
> >>>> A section on some hackerspace's wiki summarizing where to put what
> kind
> >>>> of stimulation to accomplish what would be ideal.
> >>>>
> >>>>
> >>> Yeah, I am actually working on that. It's part of a larger project and
> >>> going to take me another few days to complete. But when I am done I
> will
> >>> make sure there are links to it on the noisebridge wiki as well that
> of a
> >>> couple of other spaces.
> >>>
> >>> j
> >>> ______________________________**_________________
> >>> Neuro mailing list
> >>> Neuro at lists.noisebridge.net
> >>> https://www.noisebridge.net/**mailman/listinfo/neuro<
> https://www.noisebridge.net/mailman/listinfo/neuro>
> >>>
> >>
> >> _______________________________________________
> >> Neuro mailing list
> >> Neuro at lists.noisebridge.net
> >> https://www.noisebridge.net/mailman/listinfo/neuro
> >>
> >>
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