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. 2012 Sep 12;4:10. doi: 10.3389/fnagi.2012.00010

Figure 1.

Figure 1

Diagram of the temporal relationship in the Delay (A) and Trace (B) eyeblink conditioning paradigms. The main difference between the delay and trace conditioning is that the CS and US do not overlap in the trace conditioning paradigm. The duration of the CS in the delay paradigm can vary in time. The duration of the CS and the trace interval in the trace paradigm can also vary in time. The optimal duration of the CS and the trace interval in the delay and trace paradigm is species-specific.