EMGLAB FORUM

EMGLAB FORUM >Facial EMG methodology

  Subject:   Facial EMG methodology
 
From:   Ondrej Date:   21 Oct 2010 8:49 am  
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  Hí there, we want to record a couple of facial muscles(emotional reactions).
Since I am new to EMG so I am unclear about some basic stuff.

-how to reference the electrodes?
+for EEG we use mastoid or average, would it be suitable here?
+or should we use bipolar el. 1-2cmm apart?
+will be EMGlab able to work on the mastoid referenced EMG?

We are gonna use an EEG amplifier which is hardwired with a lowpass cutoff at ~400Hz. Will this significantly impair EMGlab(or other published) separation algorithms?
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  Subject:   Re: Facial EMG methodology
 
From:   Date:   26 Oct 2010 1:53 pm  
 
  this place rocks

Ondrej wrote:
>Hí there, we want to record a couple of facial muscles(emotional reactions).
>Since I am new to EMG so I am unclear about some basic stuff.
>
>-how to reference the electrodes?
> +for EEG we use mastoid or average, would it be suitable here?
> +or should we use bipolar el. 1-2cmm apart?
> +will be EMGlab able to work on the mastoid referenced EMG?
>
>We are gonna use an EEG amplifier which is hardwired with a lowpass cutoff at ~400Hz. Will this significantly impair EMGlab(or other published) separation algorithms?
  >> Reply to this message  

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