Table 2 Description of the fields present in the ‘.mat’ files for MEG_mat folder.
From: A magnetoencephalography dataset for motor and cognitive imagery-based brain-computer interface
Field Name | Type & Size | Description |
---|---|---|
label | cell array [306 × 1] | MEG Channel labels |
time | cell array [1 × 200] | Time stamps in accordance with cue |
trail | cell array [1 × 200] | MEG data for 200 trials |
fsample | array [1] | Sampling frequency |
trialinfo | array [200 × 1] | Class labels of 200 trials |
grad | structure [1 × 1] | A structure containing detailed information about the MEG sensors |
trialclass | cell array [4 × 2] | Classes in number and string information about the MEG sensors |