A Researcher Is Interested in Determining Whether Mice Can Remember

question 67

Multiple Choice

A researcher is interested in determining whether mice can remember the location of a piece of cheese in a maze.Which of the following would be the best experiment to perform to test the hypothesis that the limbic system is involved?

• A)Place a healthy mouse and a mouse with a disrupted hippocampus in a maze,and allow them to find the cheese in the center of the maze.Repeat the next day,and measure the time it takes for the mice to find the cheese.
• B)Place a healthy mouse and a mouse with a disrupted cerebellum in a maze,and allow them to find the cheese in the center of the maze.Measure how long it took each mouse to find the cheese.
• C)Perform an fMRI on a healthy mouse after allowing it to find the cheese in the center of the maze.
• D)Place a mouse with a disrupted amygdala in the maze,and allow it to find the cheese at the center of the maze.Repeat the next day,but this time put a bowl of water in the center of the maze,and measure how long it takes the mouse to find the water.

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Definitions:

Randomized Block

A design of experiment that aims to reduce variation from confounding variables by grouping them into blocks before randomly applying treatments within each block.

Analysis of Variance

A statistical method used to test the differences between two or more means by analyzing variance.

Matched Pairs

refers to a design in experiments where each case has a unique counterpart for comparison, minimizing variability.

Interval

A range of numbers between two set points, often used in mathematics and statistics to specify subsets of the real number line.