[A 40 Hz event-related potential detecting system based on correlation-threshold method].
A 40 Hz event related potential(ERP) detecting system is introduced here. The system employs the elliptic--type filters which have excellent edge features to extract signals of narrow-band frequency. It exploits the correlation--threshold method proposed by us to cancel the muscle artifacts. We also realizes the automatic control of experiment procedure and statistical data processing in microcomputer.
Chen
S
S
Fuyang Teachers College, Fuyang 236032.
Zhang
Z
Z
D000465:Algorithms; D004569:Electroencephalography / Q000295:instrumentation*; D001330:Electronic Data Processing; D005071:Evoked Potentials