Fixating targets in visual search: The role of dorsal and ventral attention networks in the processing of relevance and rarity
Anja Ischebeck,
Hannah Kreilinger,
Joe Peiris Miller
et al.
Abstract:The dorsal attention network, often observed to be activated in serial visual search tasks, has been associated with goal-directed attention, responsible for the processing of task relevance. In serial visual search, the moment of target detection constitutes not only a task-relevant event, but also a rare event. In the present fMRI experiment, we disentangled task relevance from item rarity using a fixation-based analysis approach. We used a multiple target search task and participants had to report the numbe… Show more
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