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Hi Mehmet,<br>
<br>
as far as i know the inversion has simply historical reasons. The
pen of the "ancient" EEG amplifiers was deflected downwards for
positive voltages.<br>
<br>
Alex<br>
<br>
Am 16.06.2011 05:29, schrieb mehmet ali:
<blockquote
cite="mid:BANLkTimyKO5W55Ad-88w9ixPq2Www_uBJQ@mail.gmail.com"
type="cite">Hi all,<br>
<br>
p300 is conventionally plotted on an inverted axis( positive
potentials to down), is there a reason to end up with this
convention?<br>
<br>
Best,<br>
<br>
<br>
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