How can I extract single trial EEG data?

Hi everyone,

I want to conduct a mediation analysis for ERP signal, which requires single trial ERP signal. But I don’t know how to extract single trial ERP data using MNE. I would really appreciate it if someone could help me.


By the way, what I want to do is actually selecting a certain time period in a single trial and averaging the amplitudes acorss pre-selected channels in this time period in this trial.