What is special about EEG electrodes?

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  • Thread starter Thread starter royzizzle
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Discussion Overview

The discussion centers around the characteristics of EEG electrodes, including their specific properties and potential substitutes. Participants explore the differences between EEG and EKG electrodes, as well as considerations for building a DIY EEG device.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • One participant expresses interest in building a DIY EEG and seeks substitutes for EEG electrodes while awaiting their delivery.
  • Another participant suggests that the most notable feature of EEG electrodes may be the conductive sticky gel that helps them adhere to the skin, inviting further inquiry into its properties.
  • A participant questions the presence of EEG electrodes in a home setting, leading to a humorous exchange about personal health experiences.
  • There is a clarification that the participant may actually have EKG electrodes instead of EEG electrodes, highlighting a common misunderstanding between the two types.
  • One participant mentions the potential for portable EEG monitors, speculating on their market viability and efficacy.
  • A suggestion is made that any conductive surface could theoretically be used for EEG, but a caution is issued regarding the need for more research before attempting to build one.

Areas of Agreement / Disagreement

Participants do not reach a consensus on what makes EEG electrodes special, and there are competing views regarding their properties and the feasibility of substitutes. The discussion remains unresolved regarding the best approach to building a DIY EEG.

Contextual Notes

There are unresolved distinctions between EEG and EKG electrodes, and assumptions about the properties of conductive materials are not fully explored. The discussion reflects varying levels of familiarity with EEG technology.

Who May Find This Useful

Individuals interested in DIY electronics, biomedical engineering, or those exploring EEG technology may find this discussion relevant.

royzizzle
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I ordered some EEG electrodes online and I am planning on building a EEG myself to do lots of ideas i have

in the meantime before the electrodes arrive, i want something to substitute for eeg electrodes. I was wondering about some substitutes and what exactly is special about eeg electrodes.
 
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nothing special from what I can see of all the ones I have lying around here
will qualify that by saing the most special part may well be the conductive sticky gel on their surface to allow them to stick to the skin.
Would be interesting to know more about its properties


Dave
 
davenn said:
nothing special from what I can see of all the ones I have lying around here
Why do you have EEG electrodes lying around your home?
 
zoobyshoe said:
Why do you have EEG electrodes lying around your home?

hahaha because I have been in hospital so, so many times this year, and it hasnt finished yet :(
got open heart surgery to look forward to NOT !


Dave
 
davenn said:
hahaha because I have been in hospital so, so many times this year, and it hasnt finished yet :(
got open heart surgery to look forward to NOT !


Dave

Sorry to hear that.

I think you probably have EKG electrodes then. Not EEG electrodes.

http://en.wikipedia.org/wiki/Electrocardiography
 
haha yes you are correct... had to google the difference ... we learn something new every day :)

EEG for brain activity ... or lack of ... not my current problem, tho my wife may debate that sometimes ;)

my heart hassles was caused by a tropical infection in the chest that gave me acute pneumonia and went on to damage tissues in and around the heart
 
Last edited:
I was looking for the portable EEG monitors like the equivalent for ECG a while ago. A portable one could be a very lucrative product, but it's efficacy may not be good
 
You could theoretically use any conductive surface, as the amplifier inside the EEG will transform the waveform into something recognizable by us. However, if you have to ask us, I think you should read up a little bit more on EEG's before putting the time and money into building one.
 

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