Reading the Brain during Film Viewing

Synchrony in EEG signals reflects viewer engagement. This clip depicts the amount of within-subject correlation in appropriately extracted components of neural activity (scalp topographies shown on the left) and its relation to the plot trajectory. Reference: Jacek P. Dmochowski, Paul Sajda, Joao Dias, Lucas C. Parra, “Correlated components of ongoing EEG point to emotionally laden attention - a possible marker of engagement?“ Frontiers of Human Neuroscience, 6:112, April 2012.