Symptom

When running the spikes detector with a dynamic threshold, the detector works until it encounters an artifact. Spike and Spike-Trains are no longer is detected after the artifact, as seen in the image below.

Workaround

1. Right-click the EEG signal and select Add Derived Signal.
2. Select Transform and enter the following expression:
   
   iif(abs(x)>0,x,0)
   
   
   
   
3. This will create a new signal which is the exact same as the original one. Executing the Spike Detector on the new signal will permit it to run across the entire signal, as seen in the image below: