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Science 13 November 1981:
Vol. 214. no. 4522, pp. 813 - 815
DOI: 10.1126/science.7292014
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Articles

Science, Vol 214, Issue 4522, 813-815
Copyright © 1981 by American Association for the Advancement of Science

articles

Spatial frequency columns in primary visual cortex

RB Tootell, MS Silverman, and RL De Valois

Using the activity-dependent 2-[14C]deoxy-D-glucose technique, we have demonstrated a columnar organization of spatial frequency--specific sensitivity in striate cortex. Cats viewing patterns containing a single spatial frequency presented at all orientations show columns of increased deoxyglucose uptake extending through all cortical layers. A control stimulus containing all spatial frequencies presented at all orientations produces no columnar density differences within the striate cortex.


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