Temporal Arrangements of CS and US. Simultaneous Conditioning:. The CS and US begin at the same time. CS. US. Temporal Arrangements of CS and US. Delay Conditioning:. The CS begins before the US and overlaps it. CS. US. Temporal Arrangements of CS and US. Trace Conditioning:.
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The CS and US begin at the same time.
The CS begins before the US and overlaps it.
The CS begins and ends before the US begins.
Key Variable: The CS-US Interval
This is the time between CS onset and US onset.
For every situation, there is an optimal CS-US interval.
Intervals that are too short or too long give slower
The CS begins after the US begins.
How these procedures rank in effectiveness:
Generally, the more useful a CS is as a predictor of the US, the more quickly it will be associated with the US.
The 4 procedures line up with intuition. For example, suppose they’re building a highway in the desert. It goes straight as an arrow for 30 miles and then…