Examlex
Claisen condensation is the aldol reaction of two esters.
Unconditioned Stimulus
In classical conditioning, a stimulus that naturally and automatically triggers a response without any need for learning.
CS Preexposure Effect
The phenomenon where prior exposure to a conditioned stimulus without the unconditioned stimulus can inhibit the formation of a conditioned response when both are later paired.
Aversion
A strong dislike or disinclination toward something often because of anticipated negative consequences or outcomes.
Shock
A sudden and often distressing stimulus or event, which can be used in experiments as a form of aversive conditioning.
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