How Does Stress Impact Listening? For Mice, They Don't Hear as Well

If you aren’t a good listener when you’re stressed, you aren’t alone. Mice aren’t either.

By Sam Walters
Feb 11, 2025 11:00 PMFeb 11, 2025 11:08 PM
This tiny mouse senses sounds differently when stressed
To trigger the same responses in stressed mice as in unstressed mice, sounds need to be louder. (Credit: Szasz-Fabian Jozsef/Shutterstock)

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We process our world differently when we’re stressed out, and so, too, do mice. According to a new paper in PLOS Biology, mice perceive sounds in a different way when they’ve been subjected to repeated stressors, responding to some louder sounds as if they were softer.

“We found that repetitive stress alters sound processing,” the study authors stated in their paper. “These alterations in auditory processing culminated in perceptual shifts, particularly a reduction in loudness perception.”


Read More: How Do Other Animals See the World?

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