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| Olivers, Christian N. L. | 2 |
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Direct linkOlivers, Christian N. L.; Humphreys, Glyn W. – Cognitive Psychology, 2003
This paper is concerned with how we prioritize the selection of new objects in visual scenes. We present four experiments investigating the effects of distractor previews on visual search through new objects. Participants viewed a set of to-be-ignored nontargets, with the task being to search for a target in a second set, added to the first after…
Descriptors: Visual Perception, Task Analysis, Color, Attention
Olivers, Christian N. L.; Humphreys, Glyn W. – Journal of Experimental Psychology: Human Perception and Performance, 2004
The mechanisms underlying segmentation and selection of visual stimuli over time were investigated in patients with posterior parietal damage. In a modified visual search task, a preview of old objects preceded search of a new set for a target while the old items remained. In Experiment 1, control participants ignored old and prioritized new…
Descriptors: Cues, Visual Stimuli, Cognitive Processes, Visual Discrimination
