example showing how to have different rejection thresholds for HEOG and VEOG

heog_veog_reject_example.py

import os
import mne

# load sample data
sample_data_folder = mne.datasets.sample.data_path()
sample_data_raw_file = os.path.join(sample_data_folder, 'MEG', 'sample',
                                    'sample_audvis_raw.fif')
raw = mne.io.read_raw_fif(sample_data_raw_file, verbose=False).crop(tmax=60)
events = mne.find_events(raw, stim_channel='STI 014')

# hack to change channel type (demonstrating with 'EEG 060'; you would use
# HEOG channel name(s) instead)
raw.set_channel_types({'EEG 060': 'misc'})

reject_criteria = dict(misc=100e-6, eog=200e-6)
epochs = mne.Epochs(raw, events, tmin=-0.2, tmax=0.5, reject=reject_criteria,
                    preload=True)