Learning Theory Midterm Guide

Learning Theory Midterm Guide - Learning Theory Midterm...

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Learning Theory Midterm Guide 1. Investigations of the role of novelty in classical conditioning are usually conducted in 2 phases. Subjects are first given repeated presentations of the stimulus that is later to be used as the CS. During this initial phase of the experiment, the CS-to-be is always presented by itself. After the preexposure phase, the CS is paired with an unconditioned stimulus using conventional classical conditioning procedures. Which of the following statements is true of the results of such a procedure. (105) – If either CS or US is highly familiar, learning proceeds more slowly than when they are novel 2. In Brown's & Jenkins' (1968) sign tracking experiment pigeons were placed in an experimental chamber that had a small circular "response key" (like a typewriter key) that could be illuminated. Periodically the animals were given a small amount of food; the key was illuminated for 8 seconds prior to each food delivery. The pigeons did not have to do anything for the food to be presented. (79-80; Lecture of 10/7) – Prediction: wait for the food to come when the light turns on. FACT: started pecking the key itself. When the light was presented at random times, no pecking occurred. 3. A panic attack is a sudden sense of fear or discomfort, accompanied by physical symptoms (for example, heart palpitations) and a sense of impending doom. If such attacks are fairly frequent and become the source of considerable anxiety, the individual is said to suffer from panic disorder. Individuals with panic disorder can sometimes predict the onset of a panic attack; at other times, they may experience an attack without warning. In a study of individuals who experienced both predictable and unpredictable panic attacks, Craske, Glover & DeCola (1995) measured both the general anxiety of the subjects before and after each type of attack. Which of the following statements is true of the results of this study? (89-90) – When predicted to happen, after the attack the level of anxiety dropped significantly. When DIDN’T predict, after the attack the anxiety level increased significantly. Unpredictability of the attack = anxiety. 4. In a US-preexposure experiment, subjects are first given repeated exposures to the US presented by itself. The US is then paired with a CS, and the progress of learning is monitored. (106) - When the subject is highly familiarized with the US before its pairing to CS, the rate of learning is slower than when the US is novel.
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5 . H. M. was a patient who was given an operation to bring under control severe, chronic attacks of epilepsy. In this operation, H. M.'s hippocampus was removed along with large portions of his temporal lobes. Which of the following statements is true of H. M.? (Lecture of 9/24)
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Learning Theory Midterm Guide - Learning Theory Midterm...

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