Elsevier

Vision Research

Volume 41, Issue 28, December 2001, Pages 3791-3803
Vision Research

A VEP study on visual processing of figural geometry

https://doi.org/10.1016/S0042-6989(01)00239-5Get rights and content
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Abstract

The possibility of a link between medial axes (hereafter called symmetries) and figure salience has recently been proposed [Vision Res. 38 (1998) 2323; Vision Res. 38 (1998) 2429]. In this paper we investigated the characteristics of transient visual evoked potentials (VEPs) associated with stimulus figures designed to have different symmetries. Significant trends were observed for VEP components N1 (160–190 ms) and P2 (220–250 ms). N1 and P2 had shorter peak latencies for stimuli with greater symmetry peak amplitudes.

Keywords

Evoked potentials
Symmetry
Figure salience
Latency

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