Distributed representation of objects in the human ventral visual pathway. Export

@article{citeulike:6072349, abstract = {Brain imaging and electrophysiological recording studies in humans have reported discrete cortical regions in posterior ventral temporal cortex that respond preferentially to faces, buildings, and letters. These findings suggest a category-specific anatomically segregated modular organization of the object vision pathway. Here we present data from a functional MRI study in which we found three distinct regions of ventral temporal cortex that responded preferentially to faces and two categories of other objects, namely houses and chairs, and had a highly consistent topological arrangement. Although the data could be interpreted as evidence for separate modules, we found that each category also evoked significant responses in the regions that responded maximally to other stimuli. Moreover, each category was associated with its own differential pattern of response across ventral temporal cortex. These results indicate that the representation of an object is not restricted to a region that responds maximally to that object, but rather is distributed across a broader expanse of cortex. We propose that the functional architecture of the ventral visual pathway is not a mosaic of category-specific modules but instead is a continuous representation of information about object form that has a highly consistent and orderly topological arrangement.}, author = {Ishai, A. and Ungerleider, L. G. and Martin, A. and Schouten, J. L. and Haxby, J. V.}, citeulike-article-id = {6072349}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/10430951}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=10430951}, day = {3}, issn = {0027-8424}, journal = {Proceedings of the National Academy of Sciences of the United States of America}, keywords = {distributed, face, fmri, fusiform}, month = {August}, number = {16}, pages = {9379--9384}, posted-at = {2009-11-05 04:33:21}, priority = {2}, title = {Distributed representation of objects in the human ventral visual pathway.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/10430951}, volume = {96}, year = {1999} }

TY - JOUR ID - citeulike:6072349 L3 - citeulike-article-id:6072349 N2 - Brain imaging and electrophysiological recording studies in humans have reported discrete cortical regions in posterior ventral temporal cortex that respond preferentially to faces, buildings, and letters. These findings suggest a category-specific anatomically segregated modular organization of the object vision pathway. Here we present data from a functional MRI study in which we found three distinct regions of ventral temporal cortex that responded preferentially to faces and two categories of other objects, namely houses and chairs, and had a highly consistent topological arrangement. Although the data could be interpreted as evidence for separate modules, we found that each category also evoked significant responses in the regions that responded maximally to other stimuli. Moreover, each category was associated with its own differential pattern of response across ventral temporal cortex. These results indicate that the representation of an object is not restricted to a region that responds maximally to that object, but rather is distributed across a broader expanse of cortex. We propose that the functional architecture of the ventral visual pathway is not a mosaic of category-specific modules but instead is a continuous representation of information about object form that has a highly consistent and orderly topological arrangement. IS - 16 JF - Proceedings of the National Academy of Sciences of the United States of America SN - 0027-8424 EP - 9384 TI - Distributed representation of objects in the human ventral visual pathway. VL - 96 SP - 9379 KW - distributed KW - face KW - fmri KW - fusiform AU - Ishai, A AU - Ungerleider, LG AU - Martin, A AU - Schouten, JL AU - Haxby, JV PY - 1999/08/03/ UR - http://view.ncbi.nlm.nih.gov/pubmed/10430951 ER -