[FieldTrip] how gamma power is calculated

Marco Rotonda marco.rotonda at gmail.com
Thu Apr 2 02:33:52 CEST 2015

Hi Orion,
maybe you can have a look at:
I did that code some years ago, so it's a bit outdated, but I think you can
have an idea of what you're looking for.


On 1 April 2015 at 19:41, Orion <orionblue8 at gmail.com> wrote:

>   Does anyone in the Fieldtrip community calculate the "running gamma
> power"?  This is what I call the parameter after doing a power analysis on
> each trial, and then to simplify the data by one dimension, averaging the
> bins within the 35-45 Hz or 30-94 Hz band.
> Coincidentally a plot of the running gamma power resembles a plot of the
> EEG first derivative (absolute value of).  Can anyone explain why?
> Orion
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