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Classical conditioning occurs when a conditioned stimulus (CS) is paired with an unconditioned stimulus (US). Usually, the conditioned stimulus is a neutral stimulus (e.g., the sound of a tuning fork), the unconditioned stimulus is biologically potent (e.g., the taste of food) and the unconditioned response (UR) to the unconditioned stimulus is an unlearned reflex response (e.g., salivation).
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Van Hamme and Wasserman have extended the original Rescorla–Wagner (RW) model and introduced a new factor in their revised RW model in 1994: [3] They suggested that not only conditioned stimuli physically present on a given trial can undergo changes in their associative strength, the associative value of a CS can also be altered by a within-compound-association with a CS present on that trial.
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Counterconditioning is very similar to extinction seen in classical conditioning.It is the process of getting rid of an unwanted response. But in counterconditioning, the unwanted response does not just disappear, it is replaced by a new, wanted response.
Kendall Fuller does conditioning work. Fuller, the Dolphins’ starting boundary cornerback, worked with a trainer on the side while the Dolphins practiced Friday.
This work sparked a number of experiments on this interaction, resulting in important experimental and theoretical contributions on autoshaping, negative automaintenance, and potentiated feeding, to name a few. More importantly, the CER procedure solved a serious experimental problem in classical conditioning.
The model says, essentially, that if one CS (here the light) already fully predicts that the US will come, nothing will be learned about a second CS (here the tone) that accompanies the first CS. Blocking is an outcome of other models that also base learning on the difference between what is predicted and what actually happens. [2]