SwePub - sökning: L773:9783642028113

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1.	Brouwer, A.-M., et al. (författare) Are you really looking? : Finding the answer through fixation patterns and EEG 2009 Ingår i: FOUNDATIONS OF AUGMENTED COGNITION, PROCEEDINGS. - Berlin, Heidelberg : Springer. - 9783642028113 ; , s. 329-338 Konferensbidrag (refereegranskat)abstract Eye movement recordings do not tell us whether observers are 'really looking' or whether they are paying attention to something else than the visual environment. We want to determine whether an observer's main current occupation is visual or not by investigating fixation patterns and EEG. Subjects were presented with auditory and visual stimuli. In some conditions, they focused on the auditory information whereas in others they searched or judged the visual stimuli. Observers made more fixations that are less cluttered in the visual compared to the auditory tasks, and they were less variable in their average fixation location. Fixated features revealed which target the observers were looking for. Gaze was not attracted more by salient features when performing the auditory task. 8-12 Hz EEG oscillations recorded over the parieto-occipital regions were stronger during the auditory task than during visual search. Our results are directly relevant for monitoring surveillance workers.

Brouwer, A.-M., et al. (författare)
Are you really looking? : Finding the answer through fixation patterns and EEG
2009
Ingår i: FOUNDATIONS OF AUGMENTED COGNITION, PROCEEDINGS. - Berlin, Heidelberg : Springer. - 9783642028113 ; , s. 329-338
Konferensbidrag (refereegranskat)abstract
- Eye movement recordings do not tell us whether observers are 'really looking' or whether they are paying attention to something else than the visual environment. We want to determine whether an observer's main current occupation is visual or not by investigating fixation patterns and EEG. Subjects were presented with auditory and visual stimuli. In some conditions, they focused on the auditory information whereas in others they searched or judged the visual stimuli. Observers made more fixations that are less cluttered in the visual compared to the auditory tasks, and they were less variable in their average fixation location. Fixated features revealed which target the observers were looking for. Gaze was not attracted more by salient features when performing the auditory task. 8-12 Hz EEG oscillations recorded over the parieto-occipital regions were stronger during the auditory task than during visual search. Our results are directly relevant for monitoring surveillance workers.

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