crude and overly general measure of brain activity.
Within EEG data are all all the contained neural responses associated with specific sensory, cognitive and motor events that may be of interest to cognitive neuroscientists.
Using a statistical averaging technique, all extraneous brian activity is filtered from the original EEG recording leaving only the responses that relate to a specific brain activity or response.
ERPS - types of brainwave that are triggered by particular events.
The electrophysical response of the brain to a specific sensory,cognitive or motor event - can be isolated through statistical analysis of EEG data.
