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EEG artefacts

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EEG ARTEFACTS ,[object Object],[object Object]
What are artefacts? ,[object Object]
What causes artefacts? ,[object Object]
Identifying artefacts ,[object Object]
Removing artefacts ,[object Object],[object Object]
CLASSIFICATION ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cardiac artefacts ,[object Object],[object Object],[object Object],[object Object]
ECG artefacts
BCG artefacts
Pacemaker artefacts
Pulse artefacts
ELECTRODE ARTEFACTS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Lead movement
Sweat artefact
Salt bridge artefact
EXTERNAL DEVICE ARTEFACT ,[object Object],[object Object]
50 Hz artefact
50Hz noise from the standard AC electrical line current ,[object Object],[object Object],[object Object]
Electrical motor
Muscle artefact
Muscle and movement artefact
Muscle Artefact ,[object Object],[object Object],[object Object],[object Object],[object Object]
OCULAR ARTEFACT ,[object Object],[object Object],[object Object],[object Object],[object Object]
Ocular, blinks and electroretinal activity ,[object Object]
Blink artifact
Eye flutter artefact
Lateral eye movement
Slow eye movement
Removing artefacts: methods ,[object Object],[object Object],[object Object],[object Object],[object Object]
Removing artefacts: methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],http://sccn.ucsd.edu/wiki/Chapter_09:_Decomposing_Data_Using_ICA
Practicalities in using ICA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Selecting artefactual ICA components ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Artefact or brain activity? ,[object Object],[object Object],[object Object],[object Object]
Artefact or brain activity? ,[object Object],[object Object],[object Object]
Artefact or brain activity? ,[object Object],[object Object]
What does brain activity look like? ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],Artefact or brain activity?
What if a component looks to be "half artefact, half brain-related"? ,[object Object],[object Object],[object Object],[object Object]
Optimal ICA strategy (according to online EEGlab tutorial) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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EEG artefacts