Detection of object onset and offset in naturalistic scenes
Donaldson, Maria J. & Yamamoto, Naohide (2012) Detection of object onset and offset in naturalistic scenes. Lecture Notes in Computer Science : Spatial Cognition VIII, 7463, pp. 451-460.
The present study was conducted to investigate whether ob- servers are equally prone to overlook any kinds of visual events in change blindness. Capitalizing on the finding from visual search studies that abrupt appearance of an object effectively captures observers' attention, the onset of a new object and the offset of an existing object were contrasted regarding their detectability when they occurred in a naturalistic scene. In an experiment, participants viewed a series of photograph pairs in which layouts of seven or eight objects were depicted. One object either appeared in or disappeared from the layout, and participants tried to detect this change. Results showed that onsets were detected more quickly than offsets, while they were detected with equivalent ac- curacy. This suggests that the primacy of onset over offset is a robust phenomenon that likely makes onsets more resistant to change blindness under natural viewing conditions.
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|Item Type:||Journal Article|
|Subjects:||Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000)|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
|Copyright Owner:||Copyright 2012 Springer|
|Deposited On:||24 Jun 2014 23:16|
|Last Modified:||27 Jun 2014 05:00|
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