Feature selectivity in area 21a of the cat

Kayser, C; König, B

doi:10.1097/01.wnr.0000221842.50749.95

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Feature selectivity in area 21a of the cat

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Kayser, C
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Kayser, C., & König, B. (2006). Feature selectivity in area 21a of the cat. NeuroReport, 17(8), 809-812. doi:10.1097/01.wnr.0000221842.50749.95.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-D1C9-B

Abstract

We compared the feature tuning of neuronal activity in area 21a to the tuning in areas 17/18. Local field potentials and multi-unit activity recorded in alert animals showed similar selectivity to orientation in both areas, higher selectivity to spatial frequencies in areas 17/18 and higher selectivity and tuning significance to temporal frequencies in areas 17/18. In addition, only at sites in areas17/18 did the LFP exhibit locking to a horizontal motion pattern extracted from a natural movie. These results suggest that area 21a is concerned with the analysis of spatial features but lacks a faithful representation of temporal features. Hence they foster the hypothesis that cortical area 21a is part of a ventral form pathway.