Components of the Human Visual Evoked Potential Driven by High-Order Image Statistics

The human visual evoked potential: Analysis of components due to elementary and complex aspects of form

Jonathan D. Victor and Vance Zemon

Vision Res. 25, 1829-1842 (1985)

Abstract

The visual evoked potential (VEP) elicited by alternation between isodipole visual textures may be separated into an asymmetric and a symmetric part. The asymmetric part reflects processing of complex attributes of form. The spatial and temporal depenence of this response is used ot evaluate models for the generation of this response. The symmetric part appears to reflect processing of local luminance and contrast changes. The relation of these components to the VEP elicited by contrast reversal, contrast modulation, and the windmill-dartboard stimulus is discussed.


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