BaselinePCA¶
Perform Baseline PCA artifact removal.
This node calculates a PCA decomposition on some given baseline data (e.g., resting state, or any data not affected by evoked responses and/or task-related activity). Using this decomposition, the task data (data input) are then broken down into components, and the top num_components components are removed from the data. In effect, this will find components with large- amplitude (likely artifactual) activity on the baseline periods, thus resulting in components that are unlikely to include any task-related activity, and these components are then removed from the on-task data. Version 0.1.0
Ports/Properties¶
data¶
Data to process.
- verbose name: Data
- default value: None
- port type: DataPort
- value type: Packet (can be None)
- data direction: INOUT
baseline¶
Baseline data.
- verbose name: Baseline
- default value: None
- port type: DataPort
- value type: Packet (can be None)
- data direction: IN
num_components¶
Number of principal components to remove.
- verbose name: Num Components
- default value: 1
- port type: IntPort
- value type: int (can be None)
demean¶
Whether to zero-mean the data and baseline beforehand. The mean will be re-added to the data afterwards.
- verbose name: Demean
- default value: True
- port type: BoolPort
- value type: bool (can be None)
detrend¶
Whether to detrend the data and baseline beforehand.
- verbose name: Detrend
- default value: True
- port type: BoolPort
- value type: bool (can be None)
set_breakpoint¶
Set a breakpoint on this node. If this is enabled, your debugger (if one is attached) will trigger a breakpoint.
- verbose name: Set Breakpoint (Debug Only)
- default value: False
- port type: BoolPort
- value type: bool (can be None)
metadata¶
User-definable meta-data associated with the node. Usually reserved for technical purposes.
- verbose name: Metadata
- default value: {}
- port type: DictPort
- value type: dict (can be None)