[Neuro] tDCS at Noisebridge?

Andrew Stewart andrewxstewart at gmail.com
Thu Apr 18 04:42:03 UTC 2013


Are you guys recording multichannel EEG alongside tDCS application?

Sensible targeting hypotheses might be something like looking at
activity of ICA EEG components before and after tDCS.  How ICs change
with different stimulation protocols and stimulation electrode sites
might be informative.

I am really interested in what comes of testing this - and am also
really intrigued by homebrew setups. Please report how this goes. And,
uh, play safe.

Andrew Stewart

Sent from mobile - apologies for typos

On 18 Apr 2013, at 05:28, Kelly <hurtstotouchfire at gmail.com> wrote:

> To be honest, I kind of disapprove of aiming them or believing you are
> aiming them. Like I said, uber-skeptic. I won't believe the aiming
> stuff without an MRI and a head model for *your head* and then a lot
> of math. And maybe not then.
>
> There are a lot of TDCS studies though so you can largely treat your
> head as a black box, and this is perfectly acceptable science.
> Anything that goes on inside the box is a hypothesis. There are some
> solid results given specific parameter combinations, and I would
> expect that you can replicate those, and maybe you can test some
> hypotheses as well, so long as you're careful.
>
> I'm sure John will include safety parameters...
>
> -Kelly
>
> On Wed, Apr 17, 2013 at 9:49 PM, Anthony Di Franco <di.franco at gmail.com> wrote:
>> I meant the question in the general sense you point out.
>>
>> On Apr 17, 2013 6:25 PM, "Mike Schachter" <mschachter at eigenminds.com> wrote:
>>>
>>> Out of curiosity - what effect are you trying to achieve? Wouldn't that
>>> dictate where you "aim" it?
>>>
>>> mike
>>>
>>>
>>>
>>>
>>> On Wed, Apr 17, 2013 at 6:17 PM, Anthony Di Franco <di.franco at gmail.com>
>>> wrote:
>>>>
>>>> More to the point then, what's the best prior info right now on how to
>>>> aim these things?
>>>>
>>>> On Apr 17, 2013 3:34 PM, "Kelly" <hurtstotouchfire at gmail.com> wrote:
>>>>>
>>>>> 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
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