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Unformatted text preview: There are several different ways conditioning can occur -- order that the stimulus-response can occur: 1. delayed conditioning (forward) - the CS is presented before the US and it (CS) stays on until the US is presented. This is generally the best, especially when the delay is short. example - a bell begins to ring and continues to ring until food is presented. 2. trace conditioning -discrete event is presented, then the US occurs. Shorter the interval the better, but as you can tell, this approach is not very effective. example - a bell begins ringing and ends just before the food is presented. 3. simultaneous conditioning -CS and US presented together. Not very good. example - the bell begins to ring at the same time the food is presented. Both begin, continue, and...
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- Fall '09