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Science 24 July 1998:
Vol. 281. no. 5376, pp. 552 - 555
DOI: 10.1126/science.281.5376.552
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Reports
Distance Modulation of Neural Activity in the Visual Cortex
Allan C. Dobbins,
*
Richard M. Jeo,
József Fiser,
John M. Allman
Humans use distance information to scale the size of objects.
Earlier studies demonstrated changes in neural response as a function
of gaze direction and gaze distance in the dorsal visual cortical
pathway to parietal cortex. These findings have been interpreted as
evidence of the parietal pathway's role in spatial representation.
Here, distance-dependent changes in neural response were also found to
be common in neurons in the ventral pathway leading to inferotemporal
cortex of monkeys. This result implies that the information necessary
for object and spatial scaling is common to all visual cortical areas.
A. C. Dobbins, R. M. Jeo, J. M. Allman, Division of
Biology 216-76, Caltech, Pasadena, CA 91125, USA. J. Fiser, Department
of Computer Science, HEDCO Neurosciences Building, University of
Southern California, Los Angeles, CA 90089-2520, USA.
*
Present address: Vision Science Research Center, Department of
Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL 35294-4390, USA.
To whom correspondence should be addressed. E-mail:
adobbins{at}uab.edu
Present address: Department of Brain and Cognitive Sciences,
Meliora Hall, River Campus, University of Rochester, Rochester, NY
14627, USA.
Read the Full Text
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