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Why did the experimenters run half of the mice in the brightly lit arena first and half of the mice in the dimly lit arena first?

Answer :

Scientists conducted experiments on mice while keeping one half in bright light and another half in dim light to know how the sunlight affects mice.

What is the name of the experiment?

It is an open-field experiment developed by Calvin .S.Hall used to assay locomotor activity levels, anxiety, and willingness to explore in animals.

Here in this experiment both age groups of rats were tested in the same locomotor boxes where at another side they had immersed incandescent lamps. It is used to assess memory by evaluating the ability of the animal to recognize a stimulus.

When scientists exposed the mice from darkness to light which was more to handle, they found out that mice became sluggish and unable to function. Mice's neuronal activity patterns shifted and the cells in the pacemaker region of the brain pulse irregularly.

Mice are nocturnal creatures, so they are most active between dusk and dawn. They don't like bright lights because they have a poor vision either in dark or light.

Hence the above experiment concludes that mice cannot see well in the dark or in the light. If they get exposed to light then they will become sluggish.

Learn more about experiments on mice from the link given below:

https://brainly.com/question/28469085?utm_source=android&utm_medium=share&utm_campaign=question

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