Isolating Discriminant Neural Activity in the Presence of Eye Movements and Concurrent Task Demands.

ABSTRACT: A growing number of studies use the combination of eye-tracking and electroencephalographic (EEG) measures to explore the neural processes that underlie visual perception. In these studies, fixation-related potentials (FRPs) are commonly used to quantify early and late stages of visual processing that follow the onset of each fixation. However, FRPs reflect a mixture of bottom-up (sensory-driven) and top-down (goal-directed) processes, in addition to eye movement artifacts and unrelated neural activity. At present there is little consensus on how to separate this evoked response into its constituent elements. In this study we sought to isolate the neural sources of target detection in the presence of eye movements and over a range of concurrent task demands. Here, participants were asked t

SUBMITTER: Touryan J 

PROVIDER: S-EPMC5501009 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature