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Stimulus characteristics.
| Stimulus | Rate of occurrence | Task type | |
|---|---|---|---|
| Square task (viewing angle) | Circle task (viewing angle) | ||
| Target | 10% | 1.38°▪ | 1.21°• |
| Nontarget | 90% | 1.53°▪ | 1.36°• |
Rate of occurrence, shape and visual angle of stimuli for the visual oddball tasks. In the experiment, stimuli were presented in blue. The shape sizes are relative and presented for illustrative purposes.
