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making EEG

Discussion in 'General Electronics Discussion' started by mohammadrofan, Jul 25, 2014.

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  1. mohammadrofan

    mohammadrofan

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    Jul 23, 2014
    i know that its banned to talk about devices that are connected to body directly but i think EEG is safe to build and use if its not pls close the thread. otherwise help me out! how can i make one ? is it gonna work if i amplify the signals that come from electrodes?
     
  2. KMoffett

    KMoffett

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    Jan 21, 2009
    Have you tried Google?: EEG circuit schematic

    Ken
     
  3. Harald Kapp

    Harald Kapp Moderator Moderator

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    Nov 17, 2011
    The issue here is not the EEG per se. If it is properly constructed, no harm is done to the "patient". However. The issue is with faults in the circuit. A fault in the power supply, for example can lead to a dangerous voltage being conducted to the person being connected. Therefore I will not give information on this issue.
    All circuits connected to a person should be cnstructed by very experienced people only - those who don't need to ask on this forum.
     
  4. Gryd3

    Gryd3

    4,098
    875
    Jun 25, 2014
    In theory yes this is a safe device if constructed properly.
    Perhaps you should start with some research.
    Take a look at http://en.wikipedia.org/wiki/Instrumentation_amplifier
    Perhaps some study into how EEG and EMG work will also give you more insight.
    http://en.wikipedia.org/wiki/Electromyography

    I would be surprised if anyone on here posted a circuit or partial circuit for you to use. All it takes is a typo/misclick on the diagram, and if you don't catch it there could be problems.

    What are you trying to do with the EEG?
    Perhaps there are better alternatives than making your own.
     
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