TY - JOUR
T1 - Oculomotor consequences of abrupt object onsets and offsets
T2 - Onsets dominate oculomotor capture
AU - Boot, Walter R.
AU - Kramer, Arthur F.
AU - Peterson, Matthew S.
PY - 2005/7
Y1 - 2005/7
N2 - Previous research has shown that the appearance of an object (onset) and the disappearance of an object (offset) have the ability to influence the allocation of covert attention. To determine whether both onsets and offsets have the ability to influence eye movements, a series of experiments was conducted in which participants had to make goal-directed eye movements to a color singleton target in the presence of an irrelevant onset/offset. In accord with previous research, onsets had the ability to capture the eyes. The offset of an object demonstrated little or no ability to interrupt goal-directed eye movements to the target. Two experiments in which the effects of onsets and offsets on covert attention were examined suggest that offsets do not capture the eyes, because they have a lesser ability to capture covert attention than do onsets. A number of other studies that have shown strong effects of offsets on attention have used offsets that were uncorrelated with target position (i.e., nonpredictive), whereas we used onsets and offsets that never served as targets (i.e., antipredictive). The present results are consistent with a new-object theory of attentional capture in which onsets receive attentional priority over other types of changes in the visual environment.
AB - Previous research has shown that the appearance of an object (onset) and the disappearance of an object (offset) have the ability to influence the allocation of covert attention. To determine whether both onsets and offsets have the ability to influence eye movements, a series of experiments was conducted in which participants had to make goal-directed eye movements to a color singleton target in the presence of an irrelevant onset/offset. In accord with previous research, onsets had the ability to capture the eyes. The offset of an object demonstrated little or no ability to interrupt goal-directed eye movements to the target. Two experiments in which the effects of onsets and offsets on covert attention were examined suggest that offsets do not capture the eyes, because they have a lesser ability to capture covert attention than do onsets. A number of other studies that have shown strong effects of offsets on attention have used offsets that were uncorrelated with target position (i.e., nonpredictive), whereas we used onsets and offsets that never served as targets (i.e., antipredictive). The present results are consistent with a new-object theory of attentional capture in which onsets receive attentional priority over other types of changes in the visual environment.
UR - http://www.scopus.com/inward/record.url?scp=27844522282&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=27844522282&partnerID=8YFLogxK
U2 - 10.3758/BF03193543
DO - 10.3758/BF03193543
M3 - Review article
C2 - 16334062
AN - SCOPUS:27844522282
VL - 67
SP - 910
EP - 928
JO - Attention, Perception, and Psychophysics
JF - Attention, Perception, and Psychophysics
SN - 1943-3921
IS - 5
ER -