Tid: onsdag 4 december 2013 kl. 15:00–16:00
Plats: C389, Södra huset, Frescati

Abstrakt:

Despite the active nature of human vision, previous research on electrophysiological brain correlates of visual cognition has been limited to situations in which experimental settings are confined to a strict, serial order of stimulus events. Such experimental setups impose rigorous control over both stimuli and behavior, resulting in investigations of human cognition under too simplified paradigms, which require and measure minimal participant behavior.

Co-registration of eye movements and EEG provides a valuable tool to investigate visual cognition under more naturalistic experimental settings. This technique allows measuring electrophysiological correlates of cognitive processes (electroencephalogram, EEG) in association with measurements of eye movements and fixations. The resulting responses are called as the eye-fixation-related potentials (EFRPs).

This presentation introduces the benefits of co-registration technique as well as the techonological challences involved in recording and analysis of co-registered data. Finally, two example studies are presented.

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