Respondent Conditioning II (Exam 4 Notes - 2)

Respondent Conditioning II (Exam 4 Notes - 2) - 11-30-09:...

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Review of Definitions Neutral Stimulus: a stimulus that has no eliciting effect Unconditional Stimulus: a stimulus that elicits a reflex (response) without any prior history Unconditional Response : The response that occurs reflexively following presentation of the US Dr. No Shot Doctor becomes associated stimulus - paired with pain Laws of the Reflex The intensity of the eliciting US has direct effects on the elicited reflex Threshold : Weak intensities of a US will not elicit a response. There is a minimum value that a US must have in order to elicit the response. 1. Intensity-Magnitude : As the intensity of the Unconditional Stimulus (US) increases, the magnitude of the response increases (TO A POINT) 2. Latency : As intensity of the US increases, the time between presentation of the US and the UR decreases Habituation 3. Walk onto a construction site for the first day on the job, the sound of falling beams elicits a BIG startle response. After several days on the job… The smell in a morgue The smell in an infant daycare We habituate more quickly on a second series of US presentations than on the first, then even faster on the third set and so on. Habituation: When an US repeatedly elicits a UR and the response gradually declines in magnitude Acquisition Acquisition : Initial learning of the conditional response. Number of trials until CS elicits CR without US. The "size" of the CR will depend on the size of the US and the CS? What if each size of meat presentation is associated with a different color light? How much salivation will the 1 oz light produce? 2 oz light? White will produce largest amount of salivation -- 8oz is largest Recap What was it? Serial Killer In our last meeting, I gave you one EXAMPLE of how the concept of stimulus and response pairings might establish an event as a reinforcer. An Application in Life
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Respondent Conditioning II (Exam 4 Notes - 2) - 11-30-09:...

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