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- Title
Visuo-haptic object-related activation in the ventral visual pathway.
- Authors
Amedi, A; Malach, R; Hendler, T; Peled, S; Zohary, E
- Abstract
The ventral pathway is involved in primate visual object recognition. In humans, a central stage in this pathway is an occipito-temporal region termed the lateral occipital complex (LOC), which is preferentially activated by visual objects compared to scrambled images or textures. However, objects have characteristic attributes (such as three-dimensional shape) that can be perceived both visually and haptically. Therefore, object-related brain areas may hold a representation of objects in both modalities. Using fMRI to map object-related brain regions, we found robust and consistent somatosensory activation in the occipito-temporal cortex. This region showed clear preference for objects compared to textures in both modalities. Most somatosensory object-selective voxels overlapped a part of the visual object-related region LOC. Thus, we suggest that neuronal populations in the occipito-temporal cortex may constitute a multimodal object-related network.
- Publication
Nature neuroscience, 2001, Vol 4, Issue 3, p324
- ISSN
1097-6256
- Publication type
Journal Article
- DOI
10.1038/85201