Title
Attention to 3-D shape, 3-D motion, and texture in 3-D structure from motion displaysAttention to 3-D shape, 3-D motion, and texture in 3-D structure from motion displays
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Research group
Faculty of Medicine and Health Sciences - other
Publication type
article
Publication
Cambridge, Mass.,
Subject
Psychology
Human medicine
Source (journal)
Journal of cognitive neuroscience. - Cambridge, Mass.
Volume/pages
16(2004):4, p. 665-682
ISSN
0898-929X
ISI
000221521200014
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We used fMRI to directly compare the neural substrates of three-dimensional (3-D) shape and motion processing for realistic textured objects rotating in depth. Subjects made judgments about several different attributes of these objects, including 3-D shape, the 3-D motion, and the scale of surface texture. For all of these tasks, we equated visual input, motor output, and task difficulty, and we controlled for differences in spatial attention. Judgments about 3-D shape from motion involve both parietal and occipito-temporal regions. The processing of 3-D shape is associated with the analysis of 3-D motion in parietal regions and the analysis of surface texture in occipito-temporal regions, which is consistent with the different behavioral roles that are typically attributed to the dorsal and ventral processing streams.
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