Influences of dwell time and cursor control on the performance in gaze driven typing

Helmert, Jens R.; Applied Cognitive Research / Institute Of Psychology III, Technische Universitaet Dresden, Velichkovsky, Boris M.; Applied Cognitive Research / Institute Of Psychology III, Technische Universitaet Dresden & Pannasch, Sebastian; Applied Cognitive Research / Institute Of Psychology III, Technische Universitaet Dresden
In gaze controlled computer interfaces the dwell time is often used as selection criterion. But this solution comes along with several problems, especially in the temporal domain: Eye movement studies on scene perception could demonstrate that fixations of different durations serve different purposes and should therefore be differentiated. The use of dwell time for selection implies the need to distinguish intentional selections from merely per-ceptual processes, described as the Midas touch problem. Moreover, the feedback...
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