[Neuro] tDCS at Noisebridge?

John Withers jwithers at reddagger.org
Thu Apr 18 06:33:27 UTC 2013


On 04/17/2013 09:42 PM, Andrew Stewart wrote:
> 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

So far no. In the long term, yes. We are working on some fun eeg designs 
right now.

j


> 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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>>>>>>>>> Neuro at lists.noisebridge.net
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