CS-US facilitation	IpN spike facilitation in the CS-US interval (Figure 2).
CS-US suppression	IpN spike suppression in the CS-US interval (Figure 2).
CS pause	Transient IpN spike pause reflecting the CS-related complex spike (Figure 4).
US peak	IpN spike burst occurring 0-30 ms after US onset (Figure 6).
US pause	Transient IpN spike pause reflecting the US-related complex spike at 15-30 ms after US onset (Figure 6).
Second US peak	Rapid spike facilitation following complex spike-related US pause (Figure 7).