[Eeglablist] Re-Referencing Question

[Sarnthein Johannes]

Ramesh,

> Nunez PL (1981) Electric Fields of the Brain Oxford chapter 6.
Unfortunately I cannot access the book. 

> The best thing to do would be to place two resistors between the ears
> and reference to the point on the wire between them.
Do you actually use a device with a resistor between the ears? 
What size of resistors do you use? 5kOhm?
What about the frequency dependence of the impedance?
Why would you think this device is better than rereferencing to Ai/2?

Johannes


Johannes Sarnthein
Funktionelle Neurochirurgie
Universitätsspital Zürich
Sternwartstrasse 6                   tel +41 1 255 2179
CH-8091 Zürich                       fax +41 1 255 8946
www.nchusz.unizh.ch/forschung_stereo.htm