Optimizing cyclopean stimuli for the evaluation of stereo vision by steady-state visual evoked potentials.

ABSTRACT:

Purpose

This study aimed to optimize dynamic random dot correlogram (DRDC) and stereogram (DRDS) stimuli to evoke steady-state visual evoked potentials (ssVEP) on multiple EEG channels for the objective assessment of stereopsis.

Methods

EEG recordings were conducted on 22 healthy adults (mean age: 30.2 ± 5.8 years) while viewing cyclopean and control stimuli. DRDC and DRDS were presented at three temporal frequencies (0.9375, 1.875, and 3.75 cycles per second, cps) using anaglyphic channel separation. The ssVEP responses were analyzed using T²_circ statistical test to determine the most effective stimulus for eliciting significant cortical activity.

Results

DRDC at 1.875 cps evoked significant ssVEP responses in 93% of participants on at least one

SUBMITTER: Rado J 

PROVIDER: S-EPMC12948872 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature