Classical Conditioning Learning A relatively permanent change in

Classical Conditioning

Learning • A relatively permanent change in behavior due to experience

Classical Conditioning • Have you ever been “conditioned”? – What does that mean?

Classical Conditioning • A type of learning where a stimulus gains the power to cause a response because… • it predicts another stimulus that already produces the response • Basically…associating

In your own words…

1. Unconditioned Stimulus (UCS) • A stimulus that triggers a response automatically and reflexively.

In your own words…

2. Unconditioned Response (UCR) • The automatic response to the unconditioned stimulus

In your own words…

3. Conditioned Stimulus (CS) • A previously neutral stimulus that, through learning, has gained the power to cause a conditioned response.

In your own words…

4. Conditioned Response (CR) • The response to the conditioned stimulus.

In your own words…

Let’s draw this out • http: //chiron. valdosta. edu/whuitt/col/behsy s/classcnd. html

Experiment Pavlov’s Dogs Lemonade Jaws The Office Squirt Gun UCS UCR CS CR

An example from the Office

An example from our own class

Can you train Pavlov’s dog? • I need a volunteer… • http: //www. nobelprize. org/educational/med icine/pavlov. html

Warmup • UCS/UCR/CS/CR

Quick Recap • Jacob's date was wearing a very alluring perfume on their recent date. The date itself was quite exciting. The following day when Jacob gets into his car he smells the lingering scent of his date's perfume and his heart rate jumps up immediately. • UCS? • UCR? • CS? • CR?

Acquisition • What do you think it means? – Associating a neutral stimulus with a UCS so that it comes to elicit the CR – AKA? – Little time between presentation of UCS and CS

Extinction • What do you think it means? – The diminishing of a conditioned response – AKA? – Once the dog has been conditioned, its conditioned salivation response will not last forever.

Spontaneous Recovery • The reappearance, after a pause, of an extinguished conditioned response • AKA?

Behaviorism • Influential during the 1 st half of 20 th century • Psychology should be an objective based on observable behavior • John Watson (1913) urged colleagues to discard reference to inner thoughts feeling and motives – No more introspection

• Give me a dozen healthy infants, wellformed, and my own specified world to bring them up in and I'll guarantee to take any one at random and train him to become any type of specialist I might select -- doctor, lawyer, artist, merchantchief and, yes, even beggar-man and thief, regardless of his talents, penchants, tendencies, abilities, vocations, and race of his ancestors. --John Watson, Behaviorism, 1930

Little Baby Albert… • Let’s watch a video on how Watson conditioned Little baby Albert …(start @13 min)

Generalization • The tendency for stimuli similar to the CS to elicit similar responses. • The dogs salivated upon hearing the sound of bells that were similar to, but not the same as, the one to which Pavlov conditioned them to respond.

Discrimination • The ability to distinguish between a conditioned stimulus and stimuli that do not signal an unconditioned stimulus • Pavlov was also able to train his dogs to discriminate one sound from another and to respond to only one type of bell

Taste Aversion • John Garcia researched how classical conditioning could be related to food • How so?

Taste Aversion

Classical Conditioning Comic Strip