P300 vs SSVEP: BCI Speller Paradigms
Comparing steady-state visual evoked potentials against P300 event-related potentials.
Introduction to BCI Speller Paradigms
Brain-computer interface spellers traditionally rely on visual paradigms.
Technical Specifications
SSVEP requires distinct flickering rates to elicit a response in the visual cortex, whereas P300 relies on the rare-target 'oddball' paradigm.
Data & Methodology
| Parameter | Clinical Standard | Consumer Average |
|---|---|---|
| Information Transfer Rate | > 60 bits/min | < 20 bits/min |
| Fatigue Rate | Low | High (Flicker) |
Frequently Asked Questions
Which is faster?
SSVEP generally provides higher ITRs but induces significant visual fatigue over time.
Next Steps
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