Ecog

EEG, ECoG, or Intracortical: How BCI Signal Acquisition Methods Trade Surgery for Precision

Brain-computer interfaces (BCIs) navigate a core trade-off between invasiveness and signal quality, with methods like EEG, ECoG, and intracortical arrays offering increasing precision at the cost of surgical intervention. The choice of BCI acquisition method hinges on balancing application requirements for signal fidelity against acceptable levels of surgical risk.