A rat is placed into a radial arm maze to test spatial memory. Retrospective coding within this maze involves coding Question 48 options: 1) Which arms have rewards 2) Which arms have not been visited 3) Which arms have already been visited 4) Which arms are in the corner of the room
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Retrospective coding refers to the ability to remember past experiences or actions, particularly in relation to previously visited locations. Show more…
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In a study on reinforcement, a researcher allows a rat to choose between four arms of a plus maze. A plus maze is a maze shaped like a plus sign, with each extension from the center being called an "arm" in the maze. Upon being placed in the center of the maze, the probability on any given trial that a subject is reinforced in the left arm is 0.30, the right arm 0.30, the front arm 0.20, and the back arm 0.20. (a) What is the probability the rat will be reinforced when entering the left or right arm? (b) To make the optimal probability choice, a subject should enter the right or left arm on each trial. Explain why this is true.
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Each of the questions or incomplete statements below is followed by five suggested answers or completions. Select the one that is best in each case. A rat evidencing abstract learning might learn (A) to clean and feed itself by watching its mother perform these activities. (B) to associate its handler's presence with feeding time. (C) to press a bar when a light is on but not when its cage is dark. (D) the layout of a maze without hurrying to get to the end. (E) to press a lever when he sees pictures of dogs but not cats.
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