Fast Periodic Visual Stimulation (FPVS)
Stimuli are presented at a fixed base frequency (typically 6 Hz) with a different stimulus type — an "oddball" — appearing periodically (e.g. every 5th image, giving 1.2 Hz). EEG responses at the oddball frequency (and its harmonics, excluding base-frequency multiples) provide an objective, implicit index of how readily the brain discriminates the oddball category from the base. The 6 Hz response indexes general visual processing. Widely used for face individuation, object categorisation, and semantic categorisation without requiring explicit behavioural responses.
- Perception
- Object Recognition
Indexed implementations 0
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