Peaks in spike train correlograms are usually taken as indicative of spike timing synchronization between neurons. Strictly speaking, however, a peak merely indicates that the tow spike trains were not independent. Two biologically plausible ways of departing from independence that Are capable of generating peaks vary similar to spike timing peaks are de- Scribed here: covariations over trials in response latency and covariations Over trials in neuronal excitability.
展开▼