L6: Event-Related Potentials
0:00 Introduction
0:45 Evoked and Event-Related Potentials
2:26 Prototypical ERP
4:45 Visual Evoked Potential (VEP)
5:57 Continuous Signal and Event-Related Segments
9:22 Technical Note Conventions in Notation
11:32 A Model for the ERP
19:34 ERP Response in the Oddball Paradigm
22:10 Factors Influencing the P300
24:55 From the Oddball Paradigm to a BCI Speller
31:30 Classical Investigation of Target vs Nontarget The classical way to compare ERPs of different conditions
32:22 Toward Classification for BCls
34:28 First, a Simple Approach to Classification
36:10 Univariate Features: Averages and Single-Trials
39:32 Measures of Separability In order to assess the discriminative value of univariate features, we are interested in measures of separability. The point biserial correlation coefficient (2-value) is defined as
45:11 ERP Analysis of Real Data
48:37 ERPs in a Head Plot
50:28 Interlude: Representation as Matrix
52:44 ERPs in a Grid Plot
54:05 ERP Topographies
57:52 AUC Matrix: Overview of Discriminative Information
59:29 References