Open source neural activity monitors

Yesterday we linked to an OCZ Neural Acutator Interface teardown. Several in the comments wanted to know more about the sensor electrodes. Check out the OpenEEG project and OpenEEG mailing list for information on sensing, amplifying, and recording brain activity (EEG). The OpenEEG project maintains an open source Simple ModularEEG design. Two other open source variants of the ModularEEG are the MonolithEEG and [Joshua Wojnas'] Programmable Chip EEG BCI. All three projects use Atmel microcontrollers, with designs in Cadsoft Eagle.

Brain activity is measured using passive or active electrodes. Passive electrodes require a conductive paste to make proper contact with the skin (examples: 1, 2). Active EEG sensors don’t need conductive goop because they have an amplifier directly on the electrode (examples: 1, 2, 3).

[via anonymous reader, comments]

Comments

  1. Mac says:

    So aside from recording EEG readings, what are the other implications of this? Would I be able to control a mouse or something like it?

  2. daphreak says:

    I <3 you guys.

    Thanks for the follow up info!

  3. I don’t know wether the principle of active electrodes works at all. You should go with passive electrodes if you want proper signal detection.

    @mac ya, you can use it eg. as a brain-computer interface

  4. josheeg says:

    memory and encoding related multifaceted electroencephalographic response = MERMER
    P300
    brain finger printing

    I am looking for more and better sources on this information any sugjestions?

    This technology could help this hardware do some neat things….

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