Contact: Heather Dewar
University of Maryland
Caption: When adult mice were kept in the dark for about a week, neural networks in the auditory cortex, where sound is processed, strengthened their connections from the thalamus, the midbrain's switchboard for sensory information. As a result, the mice developed sharper hearing. This enhanced image shows fibers (green) that link the thalamus to neurons (red) in the auditory cortex.
Credit: Image by Emily Petrus and Amal Isaiah
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Related news release: A short stay in darkness may heal hearing woes