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      Coordinating cognition: the costs and benefits of shared gaze during collaborative search.

      Cognition

      Humans, Visual Perception, Communication, Cooperative Behavior, Fixation, Ocular, Attention, Cognition

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          Abstract

          Collaboration has its benefits, but coordination has its costs. We explored the potential for remotely located pairs of people to collaborate during visual search, using shared gaze and speech. Pairs of searchers wearing eyetrackers jointly performed an O-in-Qs search task alone, or in one of three collaboration conditions: shared gaze (with one searcher seeing a gaze-cursor indicating where the other was looking, and vice versa), shared-voice (by speaking to each other), and shared-gaze-plus-voice (by using both gaze-cursors and speech). Although collaborating pairs performed better than solitary searchers, search in the shared gaze condition was best of all: twice as fast and efficient as solitary search. People can successfully communicate and coordinate their searching labor using shared gaze alone. Strikingly, shared gaze search was even faster than shared-gaze-plus-voice search; speaking incurred substantial coordination costs. We conclude that shared gaze affords a highly efficient method of coordinating parallel activity in a time-critical spatial task.

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          Author and article information

          Journal
          10.1016/j.cognition.2007.05.012
          17617394

          Chemistry

          Humans, Visual Perception, Communication, Cooperative Behavior, Fixation, Ocular, Attention, Cognition

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