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Attentional Selection In Judgments Of Stereo Depth, Bart Farell, Cherlyn J. Ng
Attentional Selection In Judgments Of Stereo Depth, Bart Farell, Cherlyn J. Ng
Biomedical and Chemical Engineering - All Scholarship
Stereoscopic depth is most useful when it comes from relative rather than absolute disparities. However, the depth perceived from relative disparities can vary with stimulus parameters that have no connection with depth or are irrelevant to the task. We investigated observers’ ability to judge the stereo depth of task-relevant stimuli while ignoring irrelevant stimuli. The calculation of depth from disparity differs for 1-D and 2-D stimuli and we investigated the role this difference plays in observers’ ability to selectively process relevant information. We show that the presence of irrelevant disparities affects perceived depth differently depending on stimulus dimensionality. Observers could …