Abstract
Dual processes of oculomotor capture by abrupt onset: Rapid involuntary capture and sluggish voluntary prioritization
Highlights
Decades of psychological research have shown that some salient events, such as the abrupt onset of a new object [1,2], the sudden disappearance of an existing object [3], the presence of an irrelevant feature singleton [4], and the onset of motion [5,6], can capture attention in a stimulus-driven fashion
These results indicated that a visual mask did reduce onset capture by disrupting the unique luminance transient associated with onset, but even with the presence of a visual mask, the onset targets still had priority over non-onset targets
In sharp contrast to the luminance transient theory, participants still fixated more often on the new objects than chance level even with the presence of a visual mask. This indicates that an onset still has attentional priority even when a visual mask disrupts the unique luminance transient associated with onset
Summary
Decades of psychological research have shown that some salient events, such as the abrupt onset of a new object [1,2], the sudden disappearance of an existing object [3], the presence of an irrelevant feature singleton [4], and the onset of motion [5,6], can capture attention in a stimulus-driven fashion. Attentional capture by an abrupt onset is perhaps the prototypical example of stimulus-driven capture [7,8]. An abrupt onset captures covert attention and eye gaze. When observers were required to make a saccade to a colorsingleton target, the abrupt onset of an irrelevant distractor disrupted the saccade toward the singleton target. Some recent studies have shown that the onset is more effective in capturing gaze than is color change [12,13]
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