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- {
- "TaskName": "YokedVariable",
- "Manufacturer": "Brain Products",
- "PowerLineFrequency": 50,
- "SamplingFrequency": 1000.0,
- "SoftwareFilters": {
- "Lowpass causal Butterworth filter": {
- "Description": "For anti-aliasing prior to downsampling from the default 5000Hz to 1000Hz, because in the case of this dataset, a sampling frequency of 1000Hz was selected in user settings.",
- "CutoffFrequency": "450Hz",
- "RollOffSlopeAtCutoffFrequency": "24db/Oct"
- }
- },
- "RecordingDuration": 3013.879,
- "RecordingType": "continuous",
- "EEGReference": "For all EEG channels: FCz, for other channels, see channels.tsv",
- "EEGGround": "For all EEG channels: Fpz, for all other channels: ca. 10cm above navel on right side of belly.",
- "EEGPlacementScheme": "based on the extended 10/20 system",
- "EEGChannelCount": 64,
- "EOGChannelCount": 2,
- "ECGChannelCount": 1,
- "InstitutionName": "Max Plack Institute for Human Development",
- "InstitutionAddress": "Lentzeallee 94, 14195 Berlin, Germany",
- "ManufacturersModelName": "BrainAmp DC and BrainAmp ExG",
- "SoftwareVersions": "BrainVision Recorder Professional - V. 1.21.0303",
- "CapManufacturer": "EasyCap",
- "CapManufacturersModelName": "actiCAP 64 Ch Standard-2",
- "Instructions": "Instructions can be found in the experiment code, here: https://doi.org/10.5281/zenodo.3354368",
- "HardwareFilters": {
- "Highpass causal RC-filter": {
- "Description": "To prevent signals drifts. This filter is specified with a time constant of 10 seconds, which translates to a cutoff frequency of approximately 0.0159Hz.",
- "TimeConstant": "10s",
- "CutoffFrequency": "0.0159Hz",
- "RollOffSlopeAtCutoffFrequency": "6db/Oct"
- },
- "Lowpass causal Butterworth filter": {
- "Description": "For anti-aliasing, because the BrainAmp DC always records at 5000Hz sampling frequency, and this sampling frequency then gets downsampled (or not) depending on user settings.",
- "CutoffFrequency": "1000Hz",
- "RollOffSlopeAtCutoffFrequency": "30db/Oct"
- }
- }
- }
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