Online-only Table 2.
Metadata and their file formats.
| Experimental setup and subject metadata | |||
|---|---|---|---|
| Format | File naming convention | Number of files | Description |
| .xls | equipment_specifications.xls | 1 | List of all hardware used in the recording of the neuronal data. |
| subject_SUBJ.xls | 1 per subject | Subject specifications, such as species, age, initial, surgical procedures and training status. | |
| .csv | channel_area_mapping_SUBJ.csv | 1 per subject | Mapping of channels across array based (1 to 64), NSP based (1 to 128) and global indexing (1 to 1024). |
| approximate_array_positions_SUBJ.csv | 1 per subject | Approximate relative position of arrays with respect to array 1, and their rotation. Used for plotting. | |
| elec_position_in_array.csv | 1 | Position of electrodes within an array relative to the centre of the array. Used for plotting. | |
| Technical validation metadata | |||
| Format | File naming convention | Number of files | Description |
| .txt | impedance_NSPX_DDMMYY.txt | 8 per impedance session | Electrode impedance values, measured at 1 kHz. |
| .mat | impedanceAllChannels_SUBJ_DDMMYY.mat | 1 per impedance session | Impedance data files containing the impedance values for each of the channels. |
| .csv | SUBJ_RS_DDMMYY_crosstalk_removal_metadata.csv | 1 per resting state session | List of electrodes to be removed due to crosstalk. |
| Session metadata | |||
| Format | File naming convention | Number of files | Description |
| .ccf | NSPX.ccf | 8 per session | Blackrock configuration files for the NSPs. |
| .csv | epochs_SUBJ_TASK_DDMMYY.csv | 1 per session | Metadata on the different epochs during the recording session. For SNR and RF the trial onset, duration and success is registered. In resting state sessions whether the eyes were open or closed is indicated. |
| SNR metadata | |||
| Format | File naming convention | Number of files | Description |
| .csv | NSPX_arrayY_SNR.csv | 16 per SNR session | SNR values, along with baseline mean and SD, peak response and neuronal response latency. The global electrode ID (1 to 1024) is provided to identify the electrodes. |
| full_SNR.csv | 1 per SNR session | A merged version of all NSPX_arrayY_SNR.csv files. | |
| RF metadata | |||
| Format | File naming convention | Number of files | Description |
| .csv | NSPX_arrayY_RF.csv | 16 per RF session | SNR values, RF edges, and RF centre coordinates. |
| fullRF.csv | 1 per RF session | A merged version of all NSPX_arrayY_RF.csv files. | |
| Compiled metadata | |||
| Format | File naming convention | Number of files | Description |
| .odml | metadata_SUBJ_TASK_DDMMYY.odml | 1 per session | A compiled file of all the metadata for a given session. |
In the naming conventions, ‘X’ represents the NSP number (1 to 8), ‘Y’ represents the array number (1 to 16), ‘SUBJ’ represents the subject name (L or A), ‘TASK’ refers to the task codename (resting state, SNR or RF), and ‘DDMMYY’ is the date of the corresponding session.