[FieldTrip] How to calculate relative power for source imaging

[mikkelcv at drcmr.dk]

Dear Aaron

While not a FieldTrip function, the build-in MATLAB function ‘bandpower’ does exactly what you are asking for 😊

See here: https://urldefense.com/v3/__https://se.mathworks.com/help/signal/ref/bandpower.html__;!!HJOPV4FYYWzcc1jazlU!6FO1rX541sU7sS-EYofZgRdmE4z1DJSwvMnt0hXkqSlzcFwu_EXL8Du2K0XVmTuzsf8QzeqpDxYLENrexVzlKlY$ 

Best regards
Mikkel


Fra: fieldtrip <fieldtrip-bounces at science.ru.nl> på vegne af Aaron Lam via fieldtrip <fieldtrip at science.ru.nl>
Dato: onsdag, 11. januar 2023 kl. 03.24
Til: fieldtrip at science.ru.nl <fieldtrip at science.ru.nl>
Cc: Aaron Lam <aaron.lam at sydney.edu.au>
Emne: [FieldTrip] How to calculate relative power for source imaging
Dear Fieldtrip Community,
I am new to fieldtrip and have been using it to analyse sleep and resting wake data.
I have managed to calculate the absolute power for source imaging and successfully projected it onto individual participant’s MRI.
I wonder if there is a way to easily calculate relative power (frequency of interest / grand total power).


Kind Regards,
Aaron
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