Correlating Measures of Executive Processes with P3 NoGo Components
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- Institutt for psykologi 
Promising in exploring the functional significance of ERPs, ICA decomposition reveals information of what temporally independent activations compose the observed scalp recording. Exhaustive understanding of the ERP component itself still provide limited knowledge without a paralleling exhaustive understanding of the mental processes in question. The P3 NoGo is an ERP seen in NoGo trials in the Go/NoGo task, and has been related to inhibitory processes. The P3 NoGo was decomposed with ICA and correlated to measures of cognitive function. P3 NoGo did not correlate to measures of processing speed or crystallized IQ, but did correlate to the two executive processes energization and task setting.