Re: [buildcheapeeg] New member

From: Joerg Hansmann (info_at_jhansmann.de)
Date: 2001-02-07 13:27:58


Dear Jim,

----- Original Message -----
From: <peterson_at_d...>
To: <buildcheapeeg_at_yahoogroups.com>
Sent: Tuesday, February 06, 2001 4:53 AM
Subject: [buildcheapeeg] New member

...
> If I can be of any help in terms of specifiying what I would want in
> a clinical device or whatever, I'd be happy to contribute. Also,
> does the problem become much simpler if you are willing to settle for
> a 1-channel device?

In the brainwaves egroups I had published a 1 channel EEG
that is connected to the PC-gameport. However it had some
not so advantageous technical properties (that could be partially
enhanced).
Especially reading the gameport under Windows at 200 samples
per second seemed to be rather difficult.

> That's all you really need for addictions/PTSD
> training.

What specifications would be desirable for

1)amplifier bandwidth ?
2)noise ?
3)bits resolution ?
4)sample rate ?
5)electrode impedance measurement ?

CU,

Joerg



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