When Sheila arrived at the gym on Tuesday morning, she noticed the musty odor of the showers in the locker room. As she finished changing, she did not notice the smell. This is probably the result of:

The correct answer is sensory adaptation.

Explanation:

Sensory adaptation is the adjustment of sensory capacity that follows prolonged exposure to stimuli.

The environmental stimuli cause a change in the sensitivity of the sensory receptors, depending on the type of environmental stimulus so the given receptor will be stimulated.

Adaptation occurs when the person gets used to a stimulus and changes their frame of reference. Therefore, it does not respond to the stimulus in the same way as it did before.

For example, when you put your hand inside a container with cold water, you will not feel the cold of the beginning soon.

Another very common example is that of smells: people quickly get used to the smells around us and stop feeling them, whether they are pleasant or unpleasant.