[Eeglablist] filter cutoff half-amplitude or half-power?

[Yangqing(Lucie) Xu]

Hi,

Does anyone know whether the highpass filter cutoff frequency that we enter
in EEGLAB is a half-amplitude or half-power cutoff?  It's more likely to be
half-amplitude, but I'm not 100% sure cuz it never specifies that in the
program.

Thanks,

Lucie
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